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Just Got To Love VW TDI Engines ;)  
User currently offlineAloges From Germany, joined Jan 2006, 8775 posts, RR: 42
Posted (8 years 8 months 3 weeks 4 days 9 hours ago) and read 2592 times:

Buenas noches,

I just got home from a 2,5 hour car trip, most of it on the famous Autobahn. Car was a 2002 VW Passat 1,9 TDI, 96 kW, I have to admit the fuel consumption (according to that little script-a-trip computer thingy) was pretty impressive:

308 km total distance, 2 h 30 min, 124 km/h average speed and 7,9 litres per 100 km! Well done, VWBig grin

in US terms, that would be: 191.4 miles, 77.1 mph on average and 29.8 mpg

I'd guess some of you folks with really economic cars can do better, so let's see what you've achieved!  Smile


Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
47 replies: All unread, showing first 25:
 
User currently offlineSabena332 From , joined Dec 1969, posts, RR:
Reply 1, posted (8 years 8 months 3 weeks 4 days 9 hours ago) and read 2589 times:

Does the car have a "Feinstaubfilter"? (<- WTF is that in English?)  Wink

I have to agree, many friends/colleagues have a VW with TDI engine and I am always very impressed how powerful and how economical they are. Even the oldest 90 hp engine can bring a Golf to 190 kph without any problems.

Patrick


User currently offlineJetstar From United States of America, joined May 2003, 1665 posts, RR: 10
Reply 2, posted (8 years 8 months 3 weeks 4 days 9 hours ago) and read 2589 times:
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I have a 2004 Volvo S80 AWD and it gets 31 mpg on the highway cruising at 75 mph. I don’t think 29.8 mpg is good gas mileage for a diesel.

I used to have a 1980 VW Rabbit, (that is what the Golf was called in the USA in the 80’s) and I got almost 50 mpg on the highway, now that is good mileage for a diesel.


User currently offlineN1120A From United States of America, joined Dec 2003, 26815 posts, RR: 75
Reply 3, posted (8 years 8 months 3 weeks 4 days 9 hours ago) and read 2579 times:

Actually Achim, you got your conversion wrong. It should have been just over 30 mpg. Still, there is no way your car should have been consuming that much, particularly at highway speeds where consumption should be going down, not up. You should have it checked out


Mangeons les French fries, mais surtout pratiquons avec fierte le French kiss
User currently offlineAloges From Germany, joined Jan 2006, 8775 posts, RR: 42
Reply 4, posted (8 years 8 months 3 weeks 4 days 9 hours ago) and read 2575 times:

Quoting Sabena332 (Reply 1):
Does the car have a "Feinstaubfilter"? (<- WTF is that in English?)

A 2002 VW?  Wink In those days they were still looking at those as kids stuff. D'oh!

Quoting N1120A (Reply 3):
Still, there is no way your car should have been consuming that much

A 130 hp engine carrying itself plus three people plus their baggage shouldn't have consumed 7,9 litres while averaging 124 km/h?  Wink To get to that, you have to keep cruising at about 150 to 160 most of the time.



Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
User currently offlineDfwRevolution From United States of America, joined Jan 2010, 1001 posts, RR: 51
Reply 5, posted (8 years 8 months 3 weeks 4 days 9 hours ago) and read 2568 times:

Quoting N1120A (Reply 3):
Still, there is no way your car should have been consuming that much, particularly at highway speeds where consumption should be going down

Remember that car manufactures calculate their highway economy at 55 mph, while he was going around 75 mph. Considering his speed, it seems like normal performance to me. Once over about 65 mph fighting wind resistance really starts to take a toll on fuel economy.

Quoting Aloges (Thread starter):
I'd guess some of you folks with really economic cars can do better, so let's see what you've achieved!

TDI are fine engines, but even non-hybrid gas can still hold their own.

My 2003 Honda Accord (2.4L, 160hp, I4 gas, manual-5) has an advertised city/highway economy of 26/34 mpg. From my experience it usually gives me about 28/32.


User currently offlineJean Leloup From Canada, joined Apr 2001, 2116 posts, RR: 19
Reply 6, posted (8 years 8 months 3 weeks 4 days 8 hours ago) and read 2554 times:

Well, you didn't mention that the car was fully loaded, but the fact remains, as others have posted above, that that's 7.9 highway is not stellar for a diesel. I would have thought around 6.0.

I have seen the TDI advertised as getting 3.9L/100km on highway, though I think that was on a Golf, so a little less weight.

JL



Next flight.... who knows.
User currently offlineAloges From Germany, joined Jan 2006, 8775 posts, RR: 42
Reply 7, posted (8 years 8 months 3 weeks 4 days 8 hours ago) and read 2541 times:

Quoting Jean Leloup (Reply 6):
Well, you didn't mention that the car was fully loaded,

Yup, forgot about that the first time. I should add the car still has winter tyres, which is why I hardly ever exceeded 160. I don't know if they're certified for 160 or 180; anyway, 160 is perfectly enough carrying passengers.

Quoting Jean Leloup (Reply 6):
that that's 7.9 highway is not stellar for a diesel

Stellar it is not, but if you include driving through a city to get to the motorway, cruising on it at 150 or a bit more for most of the time and driving through the countryside it's a nice average.

Quoting Jean Leloup (Reply 6):
I would have thought around 6.0.

We used to get that in our old car, 1994 Passat TDI with the 66 kW engine (convert to local variety of hp yourself) and far less torque than the current one. The best we ever got was, don't quote me on it, about 4,6 or 4,9 litres per 100 km/h: fully loaded, almost brand new car, two parents plus two children, low trailer holding a heavy tent and loads of supplies and still, the motorways in Sweden made the thing sip the fuel.



Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
User currently offlineDazultra From United Kingdom, joined Nov 2003, 689 posts, RR: 41
Reply 8, posted (8 years 8 months 3 weeks 4 days 8 hours ago) and read 2536 times:

We have an Audi A2 1.4TDI, I took it from Manchester to London and back once, averaging about 80mph (around 130kph), and it returned 50mpg  Cool

Have had it as high as 65mpg but thats when you drive like a grandad at 60mph  Wink


User currently offlineAloges From Germany, joined Jan 2006, 8775 posts, RR: 42
Reply 9, posted (8 years 8 months 3 weeks 4 days 8 hours ago) and read 2527 times:

Quoting Dazultra (Reply 8):
We have an Audi A2 1.4TDI

Well, you have to have some way to save money after you buy that car...  duck 



Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
User currently offlinePelican From Germany, joined Apr 2004, 2531 posts, RR: 8
Reply 10, posted (8 years 8 months 3 weeks 4 days 8 hours ago) and read 2520 times:

It is a good mileage, considering your speed. 124 kph is a pretty high average speed. I suspect some people don't understand the concept of average speed...

Quoting Aloges (Reply 7):
I should add the car still has winter tyres, which is why I hardly ever exceeded 160. I don't know if they're certified for 160 or 180; anyway, 160 is perfectly enough carrying passengers.

Are there still winter tyres with such low max speeds?

pelican


User currently offlineDazultra From United Kingdom, joined Nov 2003, 689 posts, RR: 41
Reply 11, posted (8 years 8 months 3 weeks 4 days 8 hours ago) and read 2518 times:

Quoting Aloges (Reply 9):
Well, you have to have some way to save money after you buy that car...  duck 

Haha, we got it ex demo, was £17,000 invoice price when new..  faint  but we got it for £12,000, 10 months old with 4000 miles on the clock - which is about what an equivalent VW Polo of a similar spec would cost


User currently offlineAloges From Germany, joined Jan 2006, 8775 posts, RR: 42
Reply 12, posted (8 years 8 months 3 weeks 4 days 8 hours ago) and read 2513 times:

Quoting Pelican (Reply 10):
124 kph is a pretty high average speed.

courtesy of "Sonntagsfahrverbot"

Quoting Pelican (Reply 10):
I suspect some people don't understand the concept of average speed...

Could be, could not be... I like a quick ride, so it'd be mighty difficult for me to find out what the consumption is at 130.  Wink

Quoting Pelican (Reply 10):
Are there still winter tyres with such low max speeds?

I don't think so either, but it wouldn't have been worth figuring out anyway. Like I said, 160 is enough anyway.

Quoting Dazultra (Reply 11):
Haha, we got it ex demo, was £17,000 invoice price when new..

That's downright scary... no wonder you hardly ever see one of those aluminium scooters.

[Edited 2006-04-10 00:26:41]


Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
User currently offlineTheSonntag From Germany, joined Jun 2005, 3790 posts, RR: 29
Reply 13, posted (8 years 8 months 3 weeks 4 days 7 hours ago) and read 2487 times:

Quoting Pelican (Reply 10):
Are there still winter tyres with such low max speeds?

There are on my VW Bug, I have some ancient Vredestein Snow+, 155 SR15Q. Old crap. Modern winter tyres I know are all minimum T, so they are certified for 190km/h.


User currently offlineN1120A From United States of America, joined Dec 2003, 26815 posts, RR: 75
Reply 14, posted (8 years 8 months 3 weeks 4 days 6 hours ago) and read 2480 times:

Quoting Aloges (Reply 4):
A 130 hp engine carrying itself plus three people plus their baggage shouldn't have consumed 7,9 litres while averaging 124 km/h? To get to that, you have to keep cruising at about 150 to 160 most of the time.

Still, there is no way your car should have been averaging that low

Quoting DfwRevolution (Reply 5):
Remember that car manufactures calculate their highway economy at 55 mph, while he was going around 75 mph. Considering his speed, it seems like normal performance to me. Once over about 65 mph fighting wind resistance really starts to take a toll on fuel economy.

Actually, 55 mph has not been found to be the ideal cruising speed for most cars. It is usually more like 70. Also, the fact that I got similar mpg averaging 90 mph between Los Angeles and New Orleans in a 3.2 litre gas powered high performance engine leads me to believe that that small diesel should be doing a lot better.



Mangeons les French fries, mais surtout pratiquons avec fierte le French kiss
User currently offlineGo3Team From United States of America, joined Mar 2004, 3267 posts, RR: 16
Reply 15, posted (8 years 8 months 3 weeks 4 days 6 hours ago) and read 2480 times:

Back when I had my other car - to remain nameless, The one real road trip I took with it averaged 27.5mpg @ abt 70-75mph. It was a 5.7l, 346ci V8 with about 380hp. My current car - a 1.6 POS gets roughly the same. I do have a vehicle that gets about 7, and another that gets around 4.5 - but that one took about $700 last time I filled it up.


Yay Pudding!
User currently offlineSv7887 From United States of America, joined May 2008, 1025 posts, RR: 0
Reply 16, posted (8 years 8 months 3 weeks 4 days 5 hours ago) and read 2465 times:

Hi All,
This is a great thread. Every time I see a Hummer H2 I feel sick. I have a Toyota Corolla that gives around 30 MPG around the city and 39 MPG on the highway. I normally get ~32 MPG in mixed driving.

I'm not a big fan of the hybrids, even though I'm a Toyota fan. I still think Diesel is the better way to go. Once we have Low Sulfur Diesel in MA, I'd gladly buy one. Not only are diesels efficient, they last for a long time. No need to change batteries ($4,000!!) on a diesel engine.

We've got an ancient MB 300D in India. The thing still works like a champ, no problems at all.

My old Lexus LS400 gives a terrible 19 MPG around town, but a far more respectible 24 MPG on the highway. Since I'm turning into a tree hugger I decided to get my Corolla for daily driving. It seemed really wasteful to drive a Eight Cylinder engine when a 4 Cylinder was sufficient to get me to work everyday!

-Sam


User currently offlineDfwRevolution From United States of America, joined Jan 2010, 1001 posts, RR: 51
Reply 17, posted (8 years 8 months 3 weeks 4 days 5 hours ago) and read 2463 times:

Quoting N1120A (Reply 14):
Actually, 55 mph has not been found to be the ideal cruising speed for most cars.

55 mph is the EPA standard test, but isn't necessarily indicative of real-world driving.

From what I've read, my particular car is most efficent at about 62-63 mph. But...

Quoting N1120A (Reply 14):
It is usually more like 70.

70!! Find me a passenger car (like the VW or Honda in question) that has an economy cruise speed of 70 mph and I'll eat my hat!

Absolutely no family sedan with a 4/5 speed transmission (and a drag coefficent of around .27) that gets better gas mileage at 70 than it does at 65 or 55 mph.

Quoting N1120A (Reply 14):
Also, the fact that I got similar mpg averaging 90 mph between Los Angeles and New Orleans

Averaging?  eyebrow 

I'd love to ride shotgun for that ride. I'll bring a bottle, probably not making too many rest stops  Wink


User currently offlineMrChips From Canada, joined Mar 2005, 939 posts, RR: 0
Reply 18, posted (8 years 8 months 3 weeks 4 days 4 hours ago) and read 2455 times:

Quoting Go3Team (Reply 15):
Back when I had my other car - to remain nameless, The one real road trip I took with it averaged 27.5mpg @ abt 70-75mph. It was a 5.7l, 346ci V8 with about 380hp.

Of course, the T56 transmission in your other car is designed with a really tall top gear, so that your LS1 is turning over at about 1500 rpm at highway speed (if your car is what I think it is, at least).

Quoting DfwRevolution (Reply 17):
70!! Find me a passenger car (like the VW or Honda in question) that has an economy cruise speed of 70 mph and I'll eat my hat!

My old Merc 560 SEC gets its best fuel economy at 140 km/h (79 mph). At that speed, I can average almost 26 mpg, whereas at 90 km/h (55 mph), I can barely muster 20.

Why is that? My car is not a North American spec car; it was imported from Germany 3 years ago. European highways are designed for a much higher average speed than North American highways and as such, the manufacturers design their cars to reach optimum fuel economy at a higher speed.



Time...to un-pimp...ze auto!
User currently offlineDfwRevolution From United States of America, joined Jan 2010, 1001 posts, RR: 51
Reply 19, posted (8 years 8 months 3 weeks 4 days 3 hours ago) and read 2443 times:

Quoting MrChips (Reply 18):
My old Merc 560 SEC gets its best fuel economy at 140 km/h (79 mph).

Yeah... a Mercedes. Not a family sedan.


User currently offlineN1120A From United States of America, joined Dec 2003, 26815 posts, RR: 75
Reply 20, posted (8 years 8 months 3 weeks 4 days 3 hours ago) and read 2432 times:

Quoting DfwRevolution (Reply 17):
70!! Find me a passenger car (like the VW or Honda in question) that has an economy cruise speed of 70 mph and I'll eat my hat!

Absolutely no family sedan with a 4/5 speed transmission (and a drag coefficent of around .27) that gets better gas mileage at 70 than it does at 65 or 55 mph.

I have a BMW M3, 5 speed. I read a test of a Honda Insight and they used a speed of around 70 to maximize the mileage.

Quoting DfwRevolution (Reply 17):
Averaging?

Naturally. I-10 is a lonely, straight place



Mangeons les French fries, mais surtout pratiquons avec fierte le French kiss
User currently offlineMD-90 From United States of America, joined Jan 2000, 8508 posts, RR: 12
Reply 21, posted (8 years 8 months 3 weeks 4 days 2 hours ago) and read 2424 times:

Quoting Aloges (Thread starter):
in US terms, that would be: 191.4 miles, 77.1 mph on average and 29.8 mpg

I'd guess some of you folks with really economic cars can do better, so let's see what you've achieved!

I don't trust those. My mother's Grand Caravan (3.8 V6) once claimed it got 29.1 MPG.

My best was 32 MPG in my 4-cyl 1995 Camry over a 1200 mile trip. I thought that was prety good.


User currently offlineKomododx From , joined Dec 1969, posts, RR:
Reply 22, posted (8 years 8 months 3 weeks 4 days 2 hours ago) and read 2422 times:

Ummm... I don't find it that impressive, especially for a Diesel.

Let's consider, Diesel right now in Florida is going for around $2.65 per gallon... around $0.05 diff from regular unleaded.

Now, I have a 2.5L 4 cylinder stick shift Scion tC which gets around 25mpg... I think taking into account the pollution and especially the noise of a Diesel engine, I'll stick to mine.

Btw, how much horsepower is 96kW?



Stefano  wave 


User currently offlineWaterpolodan From United States of America, joined Feb 2005, 1649 posts, RR: 5
Reply 23, posted (8 years 8 months 3 weeks 3 days 23 hours ago) and read 2404 times:

Audi just recently came out with a new diesel car, seems pretty interesting... it'll run for 24 hours straight in France this june, and I don't imagine it'll get much more than 10 mpg... pretty atrocious! On the plus side, it is virtually silent, produces no smoke, has around 850 pound/ft of torque, and it'll be topping 210 mph regularly during the run... Gotta love the R10!


User currently offlineN1120A From United States of America, joined Dec 2003, 26815 posts, RR: 75
Reply 24, posted (8 years 8 months 3 weeks 3 days 23 hours ago) and read 2401 times:

Quoting Waterpolodan (Reply 23):
Audi just recently came out with a new diesel car, seems pretty interesting... it'll run for 24 hours straight in France this june, and I don't imagine it'll get much more than 10 mpg... pretty atrocious! On the plus side, it is virtually silent, produces no smoke, has around 850 pound/ft of torque, and it'll be topping 210 mph regularly during the run... Gotta love the R10!

Apparently economy is a huge benefit of that car. They have to make less stops over the course of an Enduro, meaning they save a whole lot of time.



Mangeons les French fries, mais surtout pratiquons avec fierte le French kiss
25 Post contains images UTA_flyinghigh : That would be called a particulate filter. I highly doubt a '02 Passat would have it as these have cropped up only in the last teo years or so (was a
26 TheSonntag : The new VW Passat has it, but the older one from 2002 still comes without Partikelfilter... I think the biggest problem for the USA are the emissions
27 Cfalk : That sounds a bit strange. My 1999 BMW 320i with gasoline-powered 2-liter 6-cylinder gets 6 ltrs/100 at 120 kph. That diesel is smaller, the car's ab
28 Post contains images AirxLiban : Probably couldn't wait to get out of that sh!thole...right Alireza ?[Edited 2006-04-10 12:09:48]
29 Post contains images Komododx : Not for passenger cars. Sure, 99% of gas stations offer Diesel fuel, but has (until recently) always been a more expensive fuel. I think the only car
30 Portcolumbus : Only 30mpg with a VW TDI??? My Hyundai Elantra gets 35mi/gal at 70mph with cruise on.
31 Post contains images Aloges : The point is there is a subtle difference between 124 km/h at a given time and 120 km/h on average for an entire trip from engine start to engine shu
32 Aloges :
33 TheSonntag : 124 km/h average on the Autobahn means 100mph all the time, with occasionally 120 mph, and sometimes congestion...[Edited 2006-04-10 13:14:57]
34 Aloges : I guess Pelican was right: Now if the bitching about aircraft fuel consumption is based on the same knowledge, I finally know why I hardly ever visit
35 Post contains images TheSonntag : I meant 124 km/h, I should not have mixed km/h and mph in one thread . But I think there really is a difference between Germany and the rest of the wo
36 Post contains images AirxLiban : What?? My 1984 monster Ford Bronco 5.0 litre pushrod V8 averages almost 80mpg when flooring it at 150kmh up an incline even when I am pulling a 5000lb
37 Post contains images Atco2b : And whats wrong with that?! lol my parents have a 2004 VW Golf 2.0 TDI (3 Door ), and the other day it returned 67.2mpg when we travelling along the
38 Sean377 : My A4 with that engine gives me 40-45mpg around the doors, motorway driving pushes it up towards 50mpg. I agree with you about the bitching, but 30mpg
39 Jamie757 : I've got a 54 plate Polo 1.4 TDi (75PS), despite it only having three cylinders and being noisier than a bus full of screaming kids, the amount of tor
40 Aloges : Those are supposed to be US mpg. In UK terms, it's 35.8 or so. But anyway... Stating the bloody obvious again, there is no way you could cruise at 14
41 Post contains images Sean377 : Wow! Having a bad day?
42 Scott2187 : i get that with a 99 2.slow engine... i thought those were rated at about 50mpg..
43 Aloges : Nope, just having a problem with people who can't understand the term "average speed" and compare fuel consumption during a trip with the cruise cont
44 MIA : I love my TDI Jetta (Bora)! I havent put fuel in for more than a month and I still have some left!!! VW has me set on their engines, no matter how exp
45 Post contains images BristolFlyer : The VW diesel is excellent, really torquey and great efficiency. My truck was really torquey as well, but not quite as efficient. Posted it before but
46 SCCutler : On highway journeys in my Cadillac deville (4.6L V8), if I maintain reasonably consistent speed (no point-and-squirt, as the Northstar is so good at d
47 Post contains images Flymia : I like VW TDI engines too, especially the V-10 TDI! The Touareg V-10TDI 5.0L 310hp engine with 553lbs of Torque! Now that is something. And it gets ar
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