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Real world gas mileage for sedans

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  • My '99 Stratus has a 2.4 L engine and 4-speed automatic. I purchased it new in August 1999. The EPA fuel economy ratings were 21 city/30 highway. The car now has 31,000 miles. I ordinarily change the oil and filter every 3,000 to 4,000 miles.

    When new, I typically realized about 20 mpg city/25 mpg highway. Over the last 15 months, fuel economy has gradually improved to about 22 mpg in the city and 27 mpg on the highway.

    Those figures were observed using regular unleaded fuel. Premium or midgrade tend to produce results about 3 mpg lower.
  • 77,000 miles. 5 speed manual.

    this summer it was getting 38-42 mpg.

    since the weather has cooled off, i have been getting more 35's and 36's.

    it might be time for an o2 sensor change.

    all interstate driving, 108 miles per day.


    my wifes 00 mustang gt has done a best of 25mpg, all highway miles.
  • Buick LeSabre 3800 V6 auto, 10,000 miles. City/rural = 22.3
    Straight interstate cruising 70/75 mph = 31.4mpg.

    Other car:
    1995 Mazda DX four banger with 5 speed. 27 city/rural and 37 highway. Amazed that the bigger Buick does nearly this well considering the size difference.

    Always keep your tires properly inflated, especially in cold weather when pressure falls.
    And one other thing, there is NO BENEFIT to using a higher octane gasoline than what the owners manual calls for. That's just an advertising scheme the gas companies had until the Feds told them to quit that type of commercial.
  • kmagkmag Posts: 98
    99 Mystique GS 4 cyl. automatic transmission
    26-27 mpg mix of city and hiway driving
    31 mpg on a recent 220 mi. hiway trip

    Other cars Ive driven or owned:
    99 Ford Windstar
    24 MPG hiway

    94 Cutlass with 3.4 DOHC V6
    20-22 mix of city and hiway driving
    28 MPG hiway

    94 Escort LX 5 speed
    30 mpg mix of city and hiway driving
    36 hiway

    91 Festiva 5 speed
    38 mpg mix of city and hiway driving
    44 hiway

    85 Dodge Daytona Turbo automatic
    24 mpg city
    28 mpg hiway
  • jguojguo Posts: 49
    98 Honda Accord EX 2.3L I4, automatic
    46000+ miles
    ~23 mpg all city
    ~31 mpg all highway
    Between 25-26 mpg mixed driving.
    Using 87 oct California spec-ed fuel, which probably means the mpg worse than using fuel from other parts of the country.
  • duperduper Posts: 127
    I used to have an old 1984 Accord a few years back with 130,000+ miles. I'd been getting around 40-45mpg mix driving. I could fill up a tank and drive for almost a month. I took it in for a major tune up, plugs changes, timing adjustment, valve check and all. After that I got about 25-30mpg max. Go figured. Shouldn't fix anything that's not broken...yet :)
  • pjyoungpjyoung Posts: 885
    City - 20 mpg, Highway - 28 mpg, Mix - 22 mpg. I usually use 87 octane gas - once a month I'll fill it with 89 octane.
  • Okay, here's my numbers----

    2000 Olds Alero Sedan
    3.4L V6 / 4 speed auto

    I only get about 20-21 MPG in the city since I'm a bit of a leadfoot (I've done intake and exhaust work to the car) but it gets about 28-29 MPG on the highway going 75 MPH, which I think is right in the ballpark. I use 87 octane fuel (as recommended by Olds).
  • 668668 Posts: 13
    I have a 1998 VW Jetta TDI, with 5sp manual. It has 42,500 miles on it. The lifetime average on this car is just over 49mpg. I drive 45 miles each way to work. When I fill up each week I usually get between 48.5 and 51.5mpg. The best mileage I have gotten is 55.5 mpg and the worst is 42mpg. My commute is about 2/3 highway and 1/3 stop and go, city driving. This car is just phenomenal, very quick, good highway cruiser and good from the stop light. VW used to advertise the TDI as the "car without compromise," while that isn't true, I think it is a great compromise.
  • My 99 Millenia automatic with a 2.3l supercharged engine gets consistently 20 mpg in city driving. On the highway traveling 75 to 80 mph it gets a very disappointing 24 mpg. All the complexity of a supercharger and absolutely no benefit. My next car will have a 3+I six and be an improvement.
  • nikecarnikecar Posts: 460
    26,700 miles.

    City: 21MPG
    Highway: 27MPG

    I do notice that different brands affects differently. With Amoco I averaged 18-19 MPG. Switched to Chevron, same results but the car would want to sputter at idle as if it was going to shut off. Switched then to Mobil and am getting 21 MPG.

    The only way i would get 21 with Amoco is to massively baby the car. NO hard acceleration of even passing on the road. with Mobil, i can drive normal and still get over 20MPG.
  • I get about 25 MPG doing 100% city driving (stop and go every block or two) and around 30 MPG on the highway.
  • dhanleydhanley Posts: 1,531
    My wife's old automatic '90 passat did pretty well for such a large car, and got 22-23 city and about 31 highway. The 2.0 performed decently, but it was no rocket--poor acceleration bit a good high-speed cruiser.

    My automatic '96 saturn sl2 pretty consistently got 25 city 35 highway, and i was not by any means driving it timidly. It was a decently fast car for it's price economy. Since sold

    My wife's automatic '97 saab 900SE turbo gets between 17-20 city and between 23-30 highway, heavily depending on speed and aggressiveness. I got 36.5 on one highway trip but i was *really* milking it, and the road descended 2500 feet over 45 miles. Average city is high 18's low 19's and we only got 23mpg on a weekend trip recently ( a lot of time time going ~90, though ). The passing power of this car is great once the turbos are wound up.

    My current car is a manual '97 bmw 328i. The big surprise is that i get almost the same mileage as the saturn, i average about 24 city and about 33 highway if i am not a total leadfoot. I've seen between 18-28 city and between 29 and 37 highway. Again, driving conditions and aggressivenss matter a lot, but even having a fair bit of fun I get 22 city 32 highway. The car is pretty damn fast in all aspects.

    dave
  • When I first got the car I was averaging 35 mpg; a few months after I bought the car I bought 16" alloys with 205/45s and mileage dropped to 32 mpg (this is in mixed driving -- 20 mph LA commuter traffic and open highway at 80 mph; I also tend to drive enthusiastically). Several months ago I added a turbocharger, and since then have averaged between 24 and 28 depending on how enthusiastically I drive it. I also have to run 92 octane now, so I guess it's no longer an economy car, huh?!! But it sure is fun.....
  • rysakrysak Posts: 7
    Got 2000 Millenia S Millennium Edition.. Its gas mileage totally suck! Get about 17-19
    MPG mixed driving, Fill it up with 91 gas. Will recommend people never buy Millenia
    S. As they say, you get what you paid for. I'd rather spend a couple of grand more on
    Acura LT than feeding my beast with premium gas all the time.. Very disappointed..
    Don't trust to what they say in ads..
  • 2000 Dodge Intrepid R/T
    3.5L V6, 4-speed auto
    K&N, Mobil-1 full synthetic
    10200 miles on my car, been getting consistantly 20-22mpg in the cold NE with lots of city driving. I've gotten as high as 28mpg highway if I just cruise and don't abuse my right foot. Mileage was a dismal 18mpg new till after break-in and change to Mobil-1. :)
  • andre1969andre1969 Posts: 21,590
    Ok, this list is kinda long, so bear with me. Cars I've had, in the order I've owned them...

    1980 Chevy Malibu 229: 15-16 city/20-22 highway
    1969 Dodge Dart GT 225: 15-17 city/21-23 highway
    1957 DeSoto Firedome 341: 12-14 city/16 highway
    1968 Dodge Dart 318: 13-14 city/16-18 highway
    1982 Olds Cutlass Supreme 231: 15-16 city/20-22 highway
    1967 Pontiac Catalina 400: 10-11 city/17-18 highway
    1988 Chrysler LeBaron 2.2 Turbo: 19-21 city/28-30 highway
    1979 Chrysler Newport 318: 12-14 city/20-22 highway
    1986 Chevy Monte Carlo 305: 15-16 cit/20-22 highway
    1988 Plymouth Gran Fury 318-4: 11-13 city/18-21 highway
    1985 Buick LeSabre 307: 14-16 city/21-22 highway
    1967 Chrysler Newport 383: didn't keep it long enough
    2000 Dodge Intrepid 2.7: 18-21 city/28-30 highway

    The Gran Fury requires high-octane because it was a police car and has a higher compression engine. The LeSabre has about 153K miles on it, and the Monte Carlo had about 192K on it when it got totaled. Both of those engines had gotten carbon build-up in them and needed premium, too. I can't remember what we put in the LeBaron, but everything else would run fine on 87 octane. In fact sometimes I think I could almost pee in the Dart's gas tank and it'll still run!

    -Andre
  • dweezildweezil Posts: 271
    Car:99 cavalier 2 dr. 2.2 litre, 4 speed auto.
    To and from work [15 miles one way, freeway and surface streets, sometimes take all surface streets, say mixed]23/24. with air on in the summer it has never dropped below 22mpg.
    Freeway 32 to a best of 37 mpg on one leg of a 2000 mile round trip to Oregon Coast.Long stretches of 75 to 80mph flat lands on the I-5 in CA. 15,000 current miles. Love it. 4speed auto. doesn't give up much in fuel economy over the 5 speed manual, have always done better than the posted EPA ratings of, I think 23 city and 32 highway. Dweezil
  • cwo4cwo4 Posts: 90
    20,000 miles and I get 42 mpg consistently IF I keep it 55-60 on the highway. Around town, 36 mpg. Love this car. I once had a 72 Pontiac Bonneville, when I was fist married. Got 8-10 mpg, but boy it could go! 455 ci. Gas was $.29 a gallon, so milage didn't matter.
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