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Real world gas mileage for sedans



  • 150mphclub150mphclub Posts: 316
    I have been driving 95% interstate miles at 70+ since January. I have been averaging 32.9 MPG. My synthetic oil changes are free from my dealer, and I alternate between 10 gallons regular and 10 gallons premium about every 300 miles. 06 VW Passat 3.6L is a great car.
  • habitat1habitat1 Posts: 4,282
    Did 85 or so the whole way with AC on. Car has 57 miles on it now. I am very curious if it will pick up as the car breaks in.

    Not if that's the way you are planning on "breaking in" your car. Proper break in procedure does not involve driving at steady high speed/rpms. You should be keeping it under 70-75 and varying engine speed (rpms)- definitely stay away from cruise control. You should also avoid excessive short hops where the engine oil and block does not reach full operating temperature to allow the seals and gaskets to fully expand and contract.

    Some posters here think that proper break in doesn't matter anymore on today's "modern" cars and engines. Not true, according to the engineers and technicians I spoke with from Porsche, BMW and even the Honda engineer that I met when buying my S2000 a few years ago.

    What you do in the first 600-1500 miles will have a lot to do with how your car performs down the road. That's especially true of high performance, high compression engines. The difference between a properly broken in 911, S2000 or M3 and one that hasn't been is readily apparant in as little as 5,000-10,000 miles. When I traded my S2000 to a Mercedes /Acura dealer the owner, who drives an AMG and Porsche, took it out personally and "blessed" it. He had driven other S2000's that he had refused to take on trade because he could tell they weren't properly broken in based purely on acceleration.

    You probably won't notice much of a performance difference in an automatic TL, but according to the experts I spoke with, proper break in procedure benefits virtually all cars in the long run.
  • cuambacuamba Posts: 8
    I am looking for any suggestions--I have a two year old G35x and have finally had it with the horrible milage I am getting. I do primarily suburban short hops of one to three miles with a small amount of highway driving when I can. I do not drive aggressively. I am getting around 13-15 MPG. My question is this. Is there a car out there that can offer the following: at least 20 MPG in real world driving similar to mine; greater than 200 hp (hopefully more); and a reasonable level of luxury in-line with my G35? Any thoughts? Thanks.
  • nimiminimimi Posts: 249
    With a 2006 Avalon, 268 hp, I am getting ~ 23 mpg "commuting" 2 miles to and 2 miles from work each day and an occassional side trip (almost no freeway driving). On all-freeway weekend trips, I get ~ 32 mpg (all of the above with regular gas).

    I looked at the G35X because of the AWD, however, I was scared off by the mileage numbers.
  • gladumfgladumf Posts: 2
    There's a ton of tracking of real-world gas mileage on
  • I have had my auto TL for a year now, and the first few months I averaged 27 or 28mpg on both highway and city driving. Now a year later I'm averaging 23 or 24mpg. But I admit it has to do a lot with traffic conditions, because it has gotten worse were I live. But in a good day with no traffic it seems to do well. It usually does 310 - 320 miles per tank of gas, and one day I took a long trip it went up to 370 miles per tank of gas. Haven't seen much difference using the a/c though.
  • jaxs1jaxs1 Posts: 2,697
    I want to know what would be the most ideal car for commuting 180 miles round trip daily. It would be almost entirely freeway driving.
    It would need to have high fuel economy to keep gas cost under control, and low maintenance costs due to maintenance intervals coming up frequently, yet it would also have comfortable seats and a smooth highway ride so the long commute is not a daily nightmare leaving you sore, tired and with a headache from all the road noise.

    At that commute, I would put about 45K miles on the car per year and run through even an extended warranty in just over two years. I could drive it for 2 years and sell it with 90K miles and some of the extended warranty left for the new owner as a way to make the resale easier or I could drive it for the full 3 years and hope there are no major repairs before 135K miles and sell it for less money.
    I am pretty sure the high mileage commute would end by 3 years and I would start driving the normal 12K to 15K miles a year at that point. Most likely I would get rid of the car at that point and start fresh with a new car at that point.

    So far, I haven't found anything that had a very comfortable ride combined with low maintenance and high fuel economy.
    I considered a Toyota Camry Hybrid, but I don't think maintenance costs would be low on a Hybrid, it will be hard to sell it with high miles out of warranty due to future buyers fears of dealing the the battery replacement out of warranty, plus it's probably a bit pricier than what I want to get into. I'd like to stay well under $25K.
    Maybe a Honda Civic, but I'm not sure that would have a smooth enough highway ride to make the commute liveable. I rode in a 2006 Accord and the ride was quite bouncy on the California freeways with all the expansion joints, so I assume a Civic will be even worse in ride than an Accord.

    What are suggestions?
  • dudleyrdudleyr Posts: 3,469
    Go for a stick shift Camry if you want a smooth ridea and great mileage. The stick will even save you $900.

    Sticks are much more efficinet than autos (EPA favors autos so it may not seem apparent).

    If you want better mileage still try the Corolla.

    FWIW I actually prefer the Accord to the Camry because of the ride and handling, but I do own a Sienna and appreciate the smoothness.
  • nimiminimimi Posts: 249
    On strict freeway driving, I get ~33 mpg in my '06 Avalon; and you can't beat the ride for comfort!
  • jaxs1jaxs1 Posts: 2,697
    Unfortunately, the cost of the car and cost of premium fuel for the Avalon will not make that an option.

    Maybe I'll look at a 4 cylinder Camry too.
  • nimiminimimi Posts: 249
    The fuel won't be a problem; the owner's manual specifies regular gas.
  • waiwai Posts: 327
    33 mpg is very good for a V6 engine. Do you drive on cruise control all the time and what is average mph?
  • nimiminimimi Posts: 249
    I always use cruise control when I can - both on the highway and around town. I get terrible mileage (~ 20) on my daily commute as I drive only two miles to work and then two miles home again. When I drive around town on weekends, however, and average that with my commute, I get ~ 24 mpg. That 33 mpg figure was obtained on a trip that was 1/2 freeway (at 70 mph) and 1/2 two-lane highway (at 65 mph) with very few hills.

    I would say my overall average is around 27.
  • captain2captain2 Posts: 3,971
    also at 27 mpg overall (70% hwy) on my Avalon, most comfortable and efficient car I've ever owned - at 30+ highway (75 mph) will routinely exceed 500 mile cruising range, which is no problem with no stops. My Avalon actually uses LESS fuel than many 4 cylinder sedans!
    Never heard anybody contend, however, that cruise control was good for FE, especially on hilly roads - driver fatigue, and law compliance perhaps. And it runs fine on regular, maybe a slight bit less power (but it already has a lot of that) than it does running the good stuff.
  • waygrabowwaygrabow Posts: 214
    I have a Mazda3S MT with almost 36,000 miles on it. I have averaged 35 mpg over that entire period. The first tank was 30 mpg and it quickly improved. Best mileage has been 38-39 mpg on pure highway. Mazdas are known for their excellent handling; the seats are comfortable; tilt & telescope steering wheel lets you adjust the posture; and with 160 hp on tap it handles highway speeds and conditions well. As a premium econocar, it may fit your requirements very well.
  • dudleyrdudleyr Posts: 3,469
    How fast are you going when you get 38-39?
  • nimiminimimi Posts: 249
    I just finished a 4-day, 1400 mile trip from WA to Billings, MT and back. I climbed 6 mountain passes up to 6300 ft. in altitude. My highway mileage for the whole trip averaged right at 30 mpg. I used cruise control constantly except where doing some steep climbs up the mountain passes.
  • waygrabowwaygrabow Posts: 214
    At the limit. That was before my two speeding tickets. But I don't tailgate, don't try to beat everyone when the light turns green, and I try to anticipate well ahead when I will need to slow down or speed up.

    Don't know what the top speed is on a Mazda3 but the car is stable at 100 mph.
  • nimiminimimi Posts: 249
    I'm an idiot! I forgot to mention (1) my car is a 2006 Avalon Limited and (2) my average speed was 75-82 MPH.
  • bobgwtwbobgwtw Posts: 187
    Car: 06 Avalon: I spend a lot of time on the road - 22,000 miles in 4 months since new - & average 31/32 MPG on regular. Worst ever was 28.5 in mixed driving.

    Ilooked at the VW dieselaamong others befor buying, but the rediculous maintenance & service costs would have eaten up most of the fuel cost savings.

    Good fuel mileage, great comfort & minimal maintenance costs; a hard combination to beat.
  • jaxs1jaxs1 Posts: 2,697
    Lots of complaints from Avalon owners about uncomfortable, lumpy seats with short thigh support. Not great for long drives.
  • nimiminimimi Posts: 249
    I doubt that there have been "lots" of complaints about the '05-'07 Avalons. There have been a very, very few complaints on this forum. I find the seats to be the most comfortable that I have ever had in any vehicle. It is a true joy to drive on long trips.
  • bobwileybobwiley Posts: 241
    I'm 6' 2" and 250 pounds and I also find the seats very, very comfortable in our 06 Limited.
  • bobgwtwbobgwtw Posts: 187
    I'm 5'10" 240 lbs. Wife is 5'&" 118 lbs. We both are comfortable in these seats. I put in a lot of 350-375 mile days, so any real problems should be apparent by now.
  • bobgwtwbobgwtw Posts: 187
    I use the cruise as much as possible. speed is usually 5-10 MPH - 65-75 - over the posted limit. at 75 I'm getting around 31; & if I can hold a steady 65 I'm getting as much as 34. Incidentally, no jackrabbit starts & fairly flat terrain.
  • waiwai Posts: 327
    I wonder at what part of the country can you drive as high as 85 mph and use cruise control always.
  • bobgwtwbobgwtw Posts: 187
    Didn't say 85. My post says 65-75
  • I am looking to purchase a '06 Avalon today fully loaded for $32M. Can anybody give me any feedback on the car. Mileage sounds good, Maintenance, Wear and Tear, etc. Going from a Honda Accord XLE to this car. :)
  • patpat Posts: 10,421
    Hi, welcome!

    You want to go the Toyota Avalon board and check out the discussions there. We have all kinds of conversations going on.

    Good luck with your purchase - enjoy the Forums!
  • bobgwtwbobgwtw Posts: 187
    You will be MUCH more comfortable and get better mileage with the Avalon. 23000 miles in 4 months and not a sign of a problem.

    Mileage has ranged from a low of 28.5 to 34.5. I live in a flat area & spend a lot of time on I 95 at 75 MPH & et 32 or a little better in this kind of driving.

    As for maintenance problems, I'v had Honda's, Mitsubishi's, Toyota's & Mazda's & never had a problem with any of them; & I put a minimum of 150,000 Miles on a car before getting rid of it.

    The Avalon is by far the most comfortable & quietest so far.
This discussion has been closed.