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I remember reading a thread on here about this a while ago, thought it might be interesting to compare notes!

Driving sensibly on the motorway, cruise on about 75% of the time set at 78mph London to Southampton I averaged 25.6 mpg

My car is having a remap in the next few weeks and it will be interesting to compare.

Around town- 14-17 mpg
Dual carriageways 17-20 mpg
Motorways (sensible) 20- 24mpg, not reached 25 yet!
Motorways (100mph+) 16- 19mpg
Country roads (caning it) 11- 15mpg

There ya go

Remapped or not 24/26MPG is all you can expect on "out of town runs"

I was pleased with the mpg I was getting on a run, considering a friend has a Lexus RX400h and gets only 29 mpg out of it!

I can get a barmy 27-28 on a slow motorward run 70-80 seen 29 once for a short period...

55JWB wrote:I can get a barmy 27-28 on a slow motorward run 70-80 seen 29 once for a short period...

someone's sold you a 'lookalike'

jacko wrote:

55JWB wrote:I can get a barmy 27-28 on a slow motorward run 70-80 seen 29 once for a short period...

someone's sold you a 'lookalike'

I hope you didn't get your car from a russian living in Switzerland that loves M3's??

On a recent trip to Penzance, I got the following (241 miles each way, 90% motorway) with cruise engaged:

Outbound at indicated 100 kleptons on the motorway, trip average speed 84, fuel economy 20.1

Outbound at indicated 75 kleptons on the motorway, trip average speed 66, fuel economy 27.2

I take it mpg gets better when run in then. Mines only a month old.

BTW, after the mini eco disaster on wheels that was my Rangey sport 4.4 petrol I'm finding the RS4 decidely kind to me!!

i posted recently about consumption - having not managed the "magic" 25MPG, even with considerate driving.

dont think the time/mileage affects the consumption, or at least I havent noticed a significant change.

Have to say, I wasnt expecting to get anywhere near 25 MPG out of the car - amazed at some of the high 20's figures on here.

Are you guys with good performance running adjusted tyre pressures, or all extremely light??

reevesroadster wrote:i posted recently about consumption - having not managed the "magic" 25MPG, even with considerate driving.

dont think the time/mileage affects the consumption, or at least I havent noticed a significant change.

Have to say, I wasnt expecting to get anywhere near 25 MPG out of the car - amazed at some of the high 20's figures on here.

Are you guys with good performance running adjusted tyre pressures, or all extremely light??

I run 38 PSI front 36 PSI rear.

Blimey, not that far out. I run 40 front and 39 rear.

I know mines phantom black, and therefore the fastest - maybe ive got a 4.25 litre variant

reevesroadster wrote:Blimey, not that far out. I run 40 front and 39 rear.

I know mines phantom black, and therefore the fastest - maybe ive got a 4.25 litre variant

Ahh you see there in lies the problem, the darker the colour of the car the more drag, the more power required to make it catch up lighter coloured cars!!!!

Nah, yours is faster only because of the weight advantage you have from having no paint on it!

Cruise is heavier on fuel too. No idea why, the B5 was the same, the B6 and B7 are definetly heavier on cruise.