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Mazda MX-5 Miata Gas Mileage Reports

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Comments

  • You have to be kidding - my 2000 with the 5-speed was virtually undriveable with only frost on the pavement. The rear end would break free every time I shifted into 2nd and 3rd; not to mention the lack of ground clearance and the state of our Iowa roads in winter.

    Will have to wait until next winter to see how my 08 does, but would be greatly surprised if it was any better.

    as to mileage - my 2000 with 45k on it could get from 23 to 33 mpg, depending on how hard I pushed it. Any reports in on the new model?
  • jzehazjzehaz Posts: 1
    I also have a 2000. With the all season tires my car would go sideways if I got the car to move at all. However, with four blizzak snow tires on my extra set of 14" rims I am able to chew through up to 4.5" of snow. The four snow tires make an unbelieveable difference.
  • well, have already put two tankfulls thru my 08 PRHT. btw, have the 6-speed, and while I commute, I commute 15 miles, of which 7-8 is freeway.

    first tank was 26.5mpg, second was 30!

    however, got suspicious - checked tire pressure (obviously no one at the dealership did) - they were running at 45 psi!!!

    dropped em down to 36 (still likely too much) - will see what that does. hitting the road tonite, so will have another 500 freeway miles on it by this time tomorrow.
  • ateixeiraateixeira Posts: 72,587
    Check the door jambs for the recommended tire pressure.

    On my 93 it's only 26psi IIRC. I run 28. Any more and the ride gets harsh.

    I'm sure it's different for yours, but it would be on the door jamb.
  • heck ateixeira, I broke down and rtfm. Manual says 29. Maybe I'm too used to the buckboard ride of my 2000 LS - at 35 pounds my new PRHT rides (comparitively) like a Crown Vic.

    as for mileage - next tankfull at lowered tire pressure was 32mpg. Virtually all freeway, but hovering from 65 to 80mph. About 100 miles top down, the other 175 top up. Can't complain about that.

    Tho high speed does seem to matter. Just might have driven the last 50 miles home between 90 and 110; already down a quarter on the gas gage. Ouch.
  • ateixeiraateixeira Posts: 72,587
    I want to trade my 93 up for an 06, but you're making me want a PRHT.
  • windingrdwindingrd Posts: 2
    I was interested to read the post that their car was delivered with 45 lbs air pressure. Mine was delivered last week with pressures ranging from 43 lbs to 49 lbs. In my opinion the handling was squirrelly and very harsh. When I adjusted to 29lbs on all tires, handling and ride improved dramatically. When I complained to the dealership, they that the dealership they traded for the car must have done it and I have a tire pressure monitoring system anyway (I believe it only monitors low pressure, not high pressure).

    I have not refueled yet but will post the mileage when I do on my 2008 GT manual transmission.
  • dbhmgbdbhmgb Posts: 1
    My '07 gets between 28 to 33 MPG. I use it every day and as the price of gas has gone up I've been driving it more gently - and even around town I'm getting 30+/- . I still make time to play, though!
  • wdukewduke Posts: 17
    Just returned from a road trip, 12 Gal. tank and travelled 350 miles with gas to spare 1/8th tank. That was with the 6 speed auto, only 1300 miles on new car and it was driven in mountainous conditions. I would guess based on this that I would get 400 mile range on a tankful in fairly flat driving conditions.
  • I have a 2004 Mazdaspeed Miata with FlyinMiata intake, manual boost controller, and downpipe resulting in about 190-195 HP to the wheels (NOT the engine output). When I drive this car, I do so with the intention of wringing it out at redline on almost every shift. I have 23K miles on it. I usually get about 19 mpg. That's about 95% country road driving and what I'd expect for the thrashing I give it.

    The one stint of highway driving I did this summer got me in the upper 20s. Bah, what's the fun in that?
  • dugldugl Posts: 10
    I doubt my 2008 will do much better than the low 20 mpg. One the highway, the gearing causes the engine to rev at 4,000 rpm and highway speeds....while my old Elantra lumbered along at about 2,000 rpm (5 speed). The Miata is not a gas miser with 4.10 gearing
  • erics6erics6 Posts: 684
    1st tank was 24 mpg and 2nd tank 28 mpg on my new 08 6 speed GT. City driving mostly and more highway on the 2nd tank. Pretty good for a green engine.
  • ateixeiraateixeira Posts: 72,587
    Hasn't varied much for me.

    This is mostly commuting from suburb to city and back.
  • dugldugl Posts: 10
    I'm thinking your mileage is more real world. I drive highway alot and at 70 mph, my 2008 is taching at about 3500 rpm, which is getting into the chainsaw rpm range, while typical miserly commuter cars are running 1,000 rpms less at the same speeds. Add a convertible top (wind scoop) to that, and the mileage goes down even more. In 6th gear, as soon as I release the accelerator, my MX-5 decellerates rapidly.....there is no "coasting" downhill....however, there is no downshifting going uphill either. I stay around 65 mph @ 3,200 rpms.
  • dugldugl Posts: 10
    I must make a correction to my previous post. I had switched to 93 octane fuel last week and thought my mileage was going to be bad, but I did the math this morning when I filled-up and I'm getting 33 mpg with a combination of city & highway driving.
  • mikeozmikeoz Posts: 3
    30. Period. All the time. Pedal to the metal. Top down, AC on, radio blasting. Regular gas. Mostly highway--70 to 90mph, back and forth to work 20 miles each way, every day. One person, 220 pounds.
    1992 5 speed-no mods.

    Less than 29, I'd suspect a problem...
  • ateixeiraateixeira Posts: 72,587
    That's all highway, though.

    I had a 93 and in my mostly city commute got mid-high 20s, which is still good.

    My new 08 is getting 27-28mpg, maybe even a touch better than my 93. Not bad.
  • spencer08spencer08 Posts: 1
    My new 2008 Miata MX-5 Sport PHdT (5-speed manual) averaged 31.9 mpg first 1775 miles in/around town.

    Next 5905 miles on a long vacation, overall gas mileage was 35.6 mpg, with highs of over 41 on two consecutive tankfuls in the mountains of Colorado, and lows of 32.5 over two consecutive tanks at 70/75 mph heading home through the desert.
    (All mileages carefully measured/calculated by a certified math nerd.)

    I think it would take evil intent and/or devious planning to get less than 30 mph with this car.
  • ateixeiraateixeira Posts: 72,587
    Not really, I have an all-city commute, and rarely get out on highways. My mileage is more like 27-28mpg.

    A lot depends on where you drive, DC traffic stinks.
  • yackeeyackee Posts: 2
    My 2007 softtop with automatic transmission got 28mpg in town and 34-38 on the highway. I decided to purchase a 2008 PRHT with an automatic and feared what the mileage might be since the 2007 was so unbelievable. The new 2008 gets 29MPG in town and 36-40 on the highway on two trips of 2,500 and 3,500 miles. Unbelievable, I love this car. And yes, I fill it to the top and do know how to divide. Ohio to Colorado and Colorado to Oregon and back to Colorado.
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