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MINI Cooper: MPG-Real World Numbers

43 messages,  Last post on Oct 26, 2009 at 1:21 PM

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What is this discussion about? MINI Cooper, Fuel Efficiency (MPG)

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#17 of 43 Re: MINI Cooper Owners: MPG-Real World Numbers [minidrivermn] by tiff_c Sep 25, 2007 (5:50 am)
Replying to: minidrivermn (Sep 24, 2007 7:34 pm) On the road trip, I paid close attention to mileage and how I drove. The best I got was a stretch of 90 miles at uninterrupted speeds of 40-55. During that stretch, which included some hills along the shore of Lake Superior, I got 38.8 MPG - and I had the Mini-bike rack with a mountain bike on the back. I don't know how much of a difference that made, but I guess maybe I could have come closer to 40. I got very close to the same mileage on the way back during that same stretch. On the entire trip back, it averaged 33 MPG,   The Bike rack actually acts like a wind brake and will really decrease your fuel economy even if it's just the rack with no bike in it, less so in city driving. Cops lose at least 4mpg by having a low profile light bar on their cop cars. But I'm sure it's worth it to be able to haul your bikes on trips.
#18 of 43 91 vs 87 octane by nathaninc Sep 27, 2007 (11:16 pm)
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.
#19 of 43 Re: MINI Cooper Owners: MPG-Real World Numbers [minidrivermn] by hotchili1 Dec 29, 2007 (2:18 pm)
Replying to: minidrivermn (Sep 24, 2007 7:34 pm) I am looking into purchasing a rear bike rack for my mini. I was wondering if you had any advise as to what kind to get. Did you purchase Mini's bike rack or another brand? Replies to this message: minidrivermn (Dec 31, 2007 11:22 am)
#20 of 43 Re: MINI Cooper Owners: MPG-Real World Numbers [hotchili1] by minidrivermn Dec 31, 2007 (11:22 am)
Replying to: hotchili1 (Dec 29, 2007 2:18 pm) I bought the dealer bike rack. It's sleek and really secure. I didn't even consder any others. It holds two bikes on the back for minimum wind resistance. I drove two mountain bikes on a 150 mile each way trip this summer and it held up nicely. The straps are less convenient (it takes a little more dexterity to really tighten those tires on the rack), but once you get used to it, it's not bad at all. I'd recommend it.
#21 of 43 07 Cooper S 6mT by blueguydotcom Jan 21, 2008 (1:27 pm)
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.
#22 of 43 Mini S, High octane vs regular gas by morgan5 May 13, 2008 (6:41 am)
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. Replies to this message: waterflame (May 13, 2008 11:42 am) morgan5 (May 14, 2008 5:28 am) ltq (Oct 20, 2008 6:53 am)
#23 of 43 Re: Mini S, High octane vs regular gas [morgan5] by waterflame May 13, 2008 (11:42 am)
Replying to: morgan5 (May 13, 2008 6:41 am) Actually, the Mini salesperson told me this as well.I'm not sure what the mechanism is, but I think the onboard computer gauges the octane content of the fuel and makes adjustments accordingly.Not sure how it would affect acceleration or efficiency.   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. Replies to this message: morgan5 (May 14, 2008 5:28 am)
#24 of 43 Re: Mini S, High octane vs regular gas [waterflame] by morgan5 May 14, 2008 (5:28 am)
Replying to: waterflame (May 13, 2008 11:42 am) Around here (Virginia Beach), the difference between regular and premium is more like 25 to 30 cents, but I agree with your assessment waterflame. Thanks for the reply.
#25 of 43 Re: Mini Cooper Gasoline? [vandelay] by freelejo May 15, 2008 (10:00 am)
Replying to: vandelay (Sep 17, 2006 11:26 am) For my non-turbo mini I have been fueling with 89 octane since 91 is not avaiable at all pumps in my area. For grinns I called the dealer service center yesterday to get their opinion. Before the mini I had an 01 Passant and it stated I had to run premium 91 Octane, but the service center said 91 Octane is he Euro rating and 89 Octane is the equivalent here in the states. However, the Mini service center said for the mini 91 is a minimum, but you can also burn whatever you want. What might happen is you might get a check engine light, and in the long run the regular gas will not do well for the valves. Since regular gas for mini doesn't burn as efficient as premium you will see a carbon build up on the valves which means down the road you may suffer with worse performance than just the loss of MPGs.
#26 of 43 Real World MPG by coupah Jun 05, 2008 (2:09 pm)
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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