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Hatchbacks MINI Cooper MINI Cooper: MPG-Real World Numbers
43 messages, Last post on Oct 26, 2009 at 1:21 PM
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| I average 35 mpg on my 2007 mini. I tried 87 octane instead of 91 and it dropped to 31 mpg. Needless to say the cost savings of regular vs premium does not justify the lower mpg. | |
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Replying to: minidrivermn (Sep 24, 2007 7:34 pm)
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Replying to: hotchili1 (Dec 29, 2007 2:18 pm) |
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| I consistently get 30 mpg with mixed driving (including bumper-to-bumper) and lots of WOT. I've seen 28 with lots of AC and seen over 33 on longer drives. | |
I have a 2006 Cooper S and given where gas prices are going, I want to know if anyone out there has tried burning regular gas in their Cooper S. If so, what were the results? I've been told, that the car's computer makes adjustments for the octane being used, but that information did not come from a Mini mechanic.
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Replying to: morgan5 (May 13, 2008 6:41 am) On a side note, the difference between premium and regular is usually about 20 cents, which means that you're spending about $2-3 every time you fuel-up. Unless there is a significant difference to be gained in mpg by using regular instead of premium fuel, I don't see much of a saving over a year.
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Replying to: waterflame (May 13, 2008 11:42 am) |
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Replying to: vandelay (Sep 17, 2006 11:26 am) |
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The onboard computer on my '05 BASE convertible, 5-peed manual, calculated 35.3 MPG. I did not reset it for six months. I ran premium fuel per mfg recommendations. My '06 S, with a 6-speed yields just 25.2 MPG. I drive it hard and sporty, if you will. I use, per MINI (and BMW and Honda (maybe toyota)) Shell. They also recommend Cheveron and I think Phillips66/Conoco as THE fuel that meet their specifications but only SHELL is available in my area (Boston). The above mentioned companies collaborated and recommend those fuels for their engines. Much has been written about engine performance and durability relative to fuel and fuel additives. It goes way beyond performance loss/gain. Most important is cleanliness of the fuel system and specifically the injection system. I plan on keeping my MINI for a longtime and want to see how long it will last! |
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My top mileage for my Mini '07 (the lower priced model, automatic transmission) was on a recent 250 mile road trip. The peak MPG was 44.9 for about 150 miles of driving in the 40-55 MPH range on a highway with zero braking. For the entire 250 mile trip, with some 65-75 speeds, averaged 42 MPG. The cool part is for the entire trip I drove behind a Prius. The Prius got 47.5 MPG when I got 44.9 (I tried so hard to get it to 45 but I had to pass a car right at 44.9, and speeding up cost me that final tick) and for the entire trip, the Pruis did only 3-4 MPG better than the Mini. Pretty impressive. I drove it very carefully without A/C and almost no braking the entire trip. Just two passes at higher speeds. Otherwise, in mostly city driving, I'm getting in the 27-30 range in winter and summer with A/C running. With heavier highway driving, I'll tick up to 31-35 for the whole tank. The 40-plus is certainly the exception, but for a long road trip, absolutely possible. The key, though, is keeping the speed lower than you'd typically want, so it's a tradeoff going 60 instead of 70 in a 70 zone. I typically wouldn't be so worried about losing a few MPG ticks to get somewhere faster, but I wasn't in a hurry on this trip and wanted to test the absolute limits of the MPG in perfect flat 60 degree no rain no braking driving conditions. |
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