oh dear, a BMW thread!

matt99man

matt99man

matt99man

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Well ive been for a test drive tonight in a x5 3.0i sport auto face lift at my local BMW dealer. Fully loaded with communication pack, heated seats , detachable toebar etc. Its a fantastic car in amazing condition but one thing is bugging me and thats the MPG. I was looking at derv x5's but the premium they command literally add's £3k to the price and does not include all the toys! BMW claim that the derv will do 30mpg combined but from what i gather from a friend who had one 25-27mpg is to be expected. Now they claim 21.9mpg for the 3.0i combined so i was expecting around 20mpg realistically. Whats bothering me is that the one i saw tonight on the on boad computer said the average mpg was 23.1 from a average speed of 28mph. Now i didnt see how many miles that was averaged over but it must have been fairly high as i thrashed the car a wee bit during the 25 min drive and the car has been run round the forcourt which should drop the mpg down somewhat.

Does this seem high to you guys?
 
Petrol costs are the least of your worries. Work out how much an extra 5mpg will save you over a year and you'll find that a couple of new tyres will set you back more.
 
So you're asking if the MPG reading is accurate when you've "thrashed the car a wee bit" and you've returned above its rating on the combined cycle?

I think you just answered your own question.
 
Spamalot said:
Petrol costs are the least of your worries. Work out how much an extra 5mpg will save you over a year and you'll find that a couple of new tyres will set you back more.
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Doesn't the petrol engined version ever need new tyres then? :confused:

5mpg doesn't sound a lot, but it's a 25% improvement if you are starting from 20mpg. If the OP is doing a lot of mileage and intends to keep the car for a few years that could be significant.
 
Dogbreath said:
Doesn't the petrol engined version ever need new tyres then? :confused:

5mpg doesn't sound a lot, but it's a 25% improvement if you are starting from 20mpg. If the OP is doing a lot of mileage and intends to keep the car for a few years that could be significant.
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Nope petrol cars don't need them. I was just saying that in the grand scheme of things it's not that much of a difference.

If the MPG is that much of a problem then I think he should look at other cars not a 3000cc X5. ;)
 
To be honest 23mpg doesn't sound bad. You are not going to be getting miles more from the diesel anyway - the X5 is a big, heavy 4 wheel drive car.

To be honest unless you do 25k+ the fuel cost difference isnt huge between either.
 
if your going for the petrol, take a look at the 4.4, not that much worse on economy and apparently a better car all around.
 
Spuderoony said:
So you're asking if the MPG reading is accurate when you've "thrashed the car a wee bit" and you've returned above its rating on the combined cycle?

I think you just answered your own question.
Click to expand...

my point was that the on board computer said it was doing 23.1 mpg before hand. In my experience from my existing car if i took it out for 25 mins and booted it about this would drop without a doubt. Now this didnt. I really looking for advise if this MPG is accurate? I do around 15k miles a year so it will effect my decision
 
The OBC is usually reasonably accurate but how are we supposed to know what sort of use the car had before you drove it?

Realistically a 3.0 X5 is going to do 17ish around town, 25 in mixed driving and late 20's early 30's on the Motorway.
 
[TW]Fox;15102647 said:
To be honest 23mpg doesn't sound bad. You are not going to be getting miles more from the diesel anyway - the X5 is a big, heavy 4 wheel drive car.

To be honest unless you do 25k+ the fuel cost difference isnt huge between either.
Click to expand...

Your car shares the same engine Fox, considering the weight gain and poor aero dynamics would you say the above is achievable?
 
See above for my appraisal of what you could reasonably expect :)

THe E39 and the E53 have a lot in common, the E53 is basically a jacked up E39 with 4WD and chunky bodywork.
 
Isn't the MPG averaged out, so you would need to reset the trip computer to get a reading of 'your' driving?.. as you don't know how it has been driven before.
 
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