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Discussion Starter · #1 ·
Hi, New to the forum from the UK
We are looking to get a 2017 or 2018 Q5, the updated version, but struggling to decide between the petrol tfsi and the 2.0L TDI, mostly worried about fuel consumption. there seems to be a bit of a mixed bag of real life MPG numbers around so hoping to get a bit more info if anyone has some reliable numbers.

our driving will be a 30ish miles per day A and B roads, and a few longer weekend trips max 100 miles per trip.

The only other thing im thinking about is its right on the time for a timing belt change for the TDI's, which im guessing wont be cheap and sales gararges wont fancy picking this up for us.

Thanks in advance
 

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Still Game
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Welcome to our forum :cool:
Diesel will always be more fuel efficient than an equivalent petrol engine.
Both engines are likely to cost similar for repairs maintenance
 

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Still Game
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I struggled to get 25mpg from 2.0TFSI.
However, it really depends on how and where you drive.
How does your current MPG compare to manufacturers number for your current whip?

There are lots of posts on this and other forums with wildly differing figures.
 

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Long term avge for my '19 petrol is about 32 indicated, so probably 30+ really. On a longer run, mostly motorway, it can do 40+ without too much effort, assuming not smashing the speed limits significantly.
 

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Premium Member
Q5 55 tfsi e Competition, all boxes ticked, Navarra Blue
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It is impossible to provide an accurate economy figure. It depends on road type, road conditions, tyre conditions, if the vehicle has been looked after and how you drive. Generally a diesel will be more economical than a petrol. However, due to advances in petrol engines, the gap is narrowing. There is one other major factor, where you purchase your fuel from. If you go to a supermarket for petrol and say Shell for diesel then petrol is more economical.
 
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