Fuel economy - can you get 400 miles out of an R53 JCW? - MINI Cooper Forum
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post #1 of 9 (permalink) Old Jun 25th, 2018, 04:33 PM Thread Starter
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Fuel economy - can you get 400 miles out of an R53 JCW?

I've had a 2006 R53 JCW for a few months now and have been experimenting with fuel.

Texaco Supreme Unleaded saw 385 miles on a tank.

Shell V Power about 350.

I've driven under approximately the same conditions ( commute) each time.

What returns are you seeing for a full tank?

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post #2 of 9 (permalink) Old Jun 25th, 2018, 05:58 PM
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At a constant 60mph you should be able to get 400 miles.

I managed 470+ miles from a 55 litre tank in my 2L Toyota MR2 on a long run which was around 48mpg

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post #3 of 9 (permalink) Old Jun 25th, 2018, 07:51 PM Thread Starter
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At a constant 60mph you should be able to get 400 miles.

I managed 470+ miles from a 55 litre tank in my 2L Toyota MR2 on a long run which was around 48mpg
Man I wish! Commute out of Bristol and home over 20 miles I average approx 20mph, often less.
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post #4 of 9 (permalink) Old Jun 25th, 2018, 08:26 PM
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Most I ever got from my R50 was 350 miles I don’t know if the tank is the same size.

I decided trying to improving your MPG is a futile exercise I mean if you consider (using my car as example) cost of fuel is 1/3 of total motoring costs and you can squeeze out 20% more MPG by adjusting your driving that’s about 7% less overall cost.

When you consider that 7% is the difference between a mind numbingly boring driving experience and a great driving experience spending that extra 7% is a no brainier to me - if you want an economy experience buy a diesel saloon and get probably 100% more MPG!!

Just my opinion f course and your mileage (literally) may vary
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post #5 of 9 (permalink) Old Jun 25th, 2018, 08:48 PM
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My One now has a new O2 sensor it is averaging 42mpg brim to brim.

It's amazing what those pesky pricks can do, they rarely cause a check engine light, so many people are driving around with dicky ones.

And the result of ****ed O2 sensors was on my particular car 26mpg

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post #6 of 9 (permalink) Old Jun 25th, 2018, 11:23 PM
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My 2005 R53 about 300 mlies per tank. Best I get is if I can find Tesco Momentum99. Had 360 with that on a long run.

My 2011 Volvo C30 1.6D, can't get it below 60 mpg. On an 85 mile run a few months ago, motorway and rural mix, 71.4 mpg. So stunned, I took a pic. OK, that was on the computer.

So when you brim it it usually says at least 700+ miles to empty tank. And the VED is £0.

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post #7 of 9 (permalink) Old Jun 27th, 2018, 11:56 AM Thread Starter
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My One now has a new O2 sensor it is averaging 42mpg brim to brim.

It's amazing what those pesky pricks can do, they rarely cause a check engine light, so many people are driving around with dicky ones.

And the result of ****ed O2 sensors was on my particular car 26mpg
Forgive my ignorance, but what is an O2 sensor and where can I find it and replace it?

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post #8 of 9 (permalink) Old Jun 27th, 2018, 11:59 AM Thread Starter
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My One now has a new O2 sensor it is averaging 42mpg brim to brim.

It's amazing what those pesky pricks can do, they rarely cause a check engine light, so many people are driving around with dicky ones.

And the result of ****ed O2 sensors was on my particular car 26mpg
So some googling has let me know what an O2 sensor is. How would I know mine needs replacing unless the EML light tells me via the code reader? I guess a local mini specialist could test mine. Just need to find a good one in Bristol

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post #9 of 9 (permalink) Old Jul 2nd, 2018, 06:08 PM
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Originally Posted by steerpike View Post
So some googling has let me know what an O2 sensor is. How would I know mine needs replacing unless the EML light tells me via the code reader? I guess a local mini specialist could test mine. Just need to find a good one in Bristol

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I found my codes accidentally when i was scanning for a different problem..

They didn't trigger an EML light..


A good code reader is a great asset to have with the Mini

I have the Icarsoft i910

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