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Mazda RX-8 Gas Mileage Reports

Karen_CMKaren_CM Posts: 5,020
This topic is for RX8 owners to share and compare their actual MPG.

"Real World" Fuel Economy vs. EPA Estimates

Community Manager If you have any questions or concerns about the Forums, send me an email, karen@edmunds.com, or click on my screen name to send a personal message.

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Comments

  • wpavlik2wpavlik2 Posts: 32
    OK, I have a 2004 6speed RX-8 with only 7600 miles on it. before my first oil change, I got significantly worse gas milage, around 15 mpg around town, and BARELY 20mpg on the highway.
    After my first oil change and the engine getting broken in a bit, I am getting 18-19 in mostly town driving. Mostly highway, I have been getting around 24 1/2 or so.
    on the highway, I tend to drive around 70-75mph.
    I'm happy with it, because it's such a fun car to drive! :D
  • ojisanbobojisanbob Posts: 3
    HI,
    I am a a VERY happy owner of a Nordic Green AT RX8 - have had it since October, '93. I keep a detailed mileage log - so far have driven a total of 8,075 miles - used 443 gals of premium gas - average to date is 18.23 - lowest on one fill was 14.67- highest for a filling has been 23.24. Definitely get the high mileage in good weather - all highway driving - the lows when only in town trips.
    BUT - why worry about mileage when you can drive such a superb car ?? Want 40 miles a gallon ? - Buy a Yugo. Want the most fun you can have with your clothes on ? Get the RX8 - never had more fun in 53 years of driving ! ! !

    Cheers~

    Bob - Cheshire, CT
  • flatpickflatpick Posts: 43
    Purchased Oct 2003
    Velocity Red 6MT All Options but spare tire.
    Daily Drive of approx 24 miles (4 X 8 short jaunts)
    10/2003 - 5/2004 15-17mpg
    6/2004 - 12/2004 16-17 mpg
    1/2005 - current 17-18 mpg
    hwy trips of 100 miles or more 20-22

    I'd have to say it drinks gas...yep....more than I expected, its fun to drive, but
    sure would have been nice to have gotten a true reflection of gas consumption
    from MAzda or EPA.
  • the_big_hthe_big_h Posts: 1,583
    and report my MPG report

    at 13000 miles, my '04 6 speed RX-8 has an overall average of 20mpg in mostly 50/50 mixed stop-n-go and highway driving.

    I'm not complaining, the car is just so much fun to drive!
  • mba2dnamba2dna Posts: 8
    of my new 6MT is around 16-17 mpg, city driving.
  • I like your detailed mileage log - have you tracked oil consumption as well?
  • Hi, For the record
    After 5000K 2005 Rx-8 man
    10L/100k highway
    13L/100k city whatever how hard I drove it.

    Had to put 2litres of oil total since the beginning
    So let say 1L/2500k
  • at about 7500 i'm gettin 21 or so with 50/50 driving
  • dwynnedwynne Posts: 4,018
    I have a little over 1,200 miles now and I am getting 14-15mpg commuting to work. It is about 15 miles each way with about 1/2 stop and go and part 45-55mph. I tried a couple of tanks of mid-grade Chevron with no (apparent) ill effects on performance, but not increase in fuel economy - but it did cost a little less to fill up.

    Mine is a 6mt w/GT.

    Dennis
  • It's 4000KM now, last tank was 14.2L/100KM, that is around 20mpg. 1/3 high way.
  • After 12000 miles of commuting to and from work I finally took a 1000 mile road trip. I drove up to san francisco using 5th gear as my final one.On this segment I averaged 19-20mpg. Very little difference from what I get commuting[18-19mpg].But I got stuck in LA traffic some.For the return trip I used 6th gear as the final drive--here I averaged 20-21.5mpg. Not much difference considering this segment is with the wind.
  • I just got my rx8 4 weeks ago with 12k miles now i have 15k miles and i get about 210-250 miles to a full tank
  • Purchased Oct 2003
    Velocity Red 6MT All Options but spare tire.
    Daily Drive of approx 24 miles (4 X 8 short jaunts)
    10/2003 - 5/2004 15-17mpg
    6/2004 - 12/2004 16-17 mpg
    1/2005 - current 17-18 mpg
    hwy trips of 100 miles or more 20-22

    Don't think it'll get any better....
  • trispectrispec Posts: 305
    After 3500 miles it appears the Paddle shifting vs Full Auto about 10% less efficient, but the 10% loss probably is because I keep the RPMs between 2500 and 3500 when Paddling. Full Auto constantly seeks to drop the RPMs to the minimum 1600 RPM.

    Paddling vs Full Auto on the fun level depends. Having to watch the RPMs to shift can get tiresome in stop and go traffic, but if the road is clear, Paddle shifting is the only way to drive.
  • dwynnedwynne Posts: 4,018
    Paddle shifting is the only way to drive

    Shifting with a clutch is the only way to drive :D

    Plus you get the added HP and higher revs in the 8 - and with a VooDoo shift knob the shortest, tightest manual tranny I have ever used - and that includes both of my S2000s.

    Now if I had to crawl in traffic, I might feel different....

    Still getting 13-15mpg commuting about 25 miles round trip each day, but driving the car in the manner for which it was designed ;)

    Dennis
  • trispectrispec Posts: 305
    Drove sticks for decades, even after moving to Boston. Had to give'm up when my knee, angle and leg just couldn't take the stop'n'go crap any more. Also my wife wanted to start driving in Boston and she would not not drive a stick in the city.

    Paddle shifting is quite fun though. You know that's how real racers shift, Indy and Le mans types at least. It's just the NASCAR folk who force the manual standard stick and clutch to remain in use. Professional drag racers went fully automatic years ago.

    Stick and clutch vs Paddles shifters is like carburetor vs fuel injection I think. At first everyone complains about loss of power and added complexity, but eventually the efficiency of the later over the former wins out.

    OTOH, when I want to just cruise around as easy as possible, full automatic is real nice too.
  • dwynnedwynne Posts: 4,018
    Years ago I flew into Boston a few times and rented a car and TRIED to drive it. Man - traffic on the freeway stopped for no reason (other than volume) in the middle of the day. I too, would abandon stick in such a city :D

    The new 6 speed auto would be more attractive, but I still can't get around the lack of revs and ponies with the 8's version of the auto-box. Would I really miss it, don't know - but I would KNOW I was missing it :confuse:

    The 8 (and the S2000) is a true joy to drive with a stick - just a great transmission and 8k-9k redline. I wish you lived where you could have one too.

    The good news is having an auto does not seem to cost anything at the pump - either way we get dismal numbers.

    Dennis
  • pathstar1pathstar1 Posts: 1,015
    Cart force the cars to use a stick. They had paddles (buttons, actually) but they (Cart) decided it takes more "skill" to shift with a lever. It's up on the right side of the cockpit just forward of the steering wheel. Formula 1 now have fully automatic transmissions - but they can shift them manually. I'm not sure we can call them fully automatic, as the driver has to usually blip the throttle to make them shift - and they don't actually have a torque converter.

    It's only a small step now (06 auto cars) to get a 9000 RPM torque converter. When that happens, the auto will be faster than the manual! It might be a tad heavier, but there is no letup of accelleration when it shifts.

    I'm not sure I like that, though my first auto equipped car (2001 Pathfinder) is winning me over! I wanted leather and it was only available with the auto. Of course it is a SUV, not a sports sedan.
  • trispectrispec Posts: 305
    Thanks for the clarifications. I was mainly reporting information from years ago when living in North Carolina where I worked with a guy who did NASCAR pit crew work when he could get it.

    NASCAR by his estimation controls the entire US manufacturing industry because Stock car racing is the ONLY thing that's holding off the imports from completely taking over the US market.

    Ultimately, stick and clutch is the cheapest way to offer the maximum power, but shifting gears via a clutch is not necessarily the best way nor the most efficient.
  • dwynnedwynne Posts: 4,018
    Filled up yesterday and got my best mileage so far. Around 1,800 miles on the car now (6mt) and got about 16.25 mpg. This is the best I have gotten for just commuting.

    Could be the cold weather, could be the mileage is getting better with more miles on the car. Could also be the pump shut off too soon - but I filled up at the same station and the same pump (the one I know has the working lock) as I always do. in the event this was the case, then next time I should see worse than normal mileage.

    Dennis
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