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Audi A5 RS5 (2010-2015) running costs and reliability

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Running costs rating: 3 out of 53.0

Written by Parkers Published: 6 June 2019

Miles per pound (mpp)

Reliable fuel consumption data for comparison purposes is not available for this model.
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Fuel economy

A more stringent standard for fuel economy (WLTP) was introduced from September 2017, and this model was not required to undergo that test. Its fuel economy measured under the previous test system was 26 mpg. However these figures are less likely to be achievable in real world driving and so should never be compared to another car's mpg which was measured under the newer, more realistic WLTP system.
View mpg & specs for any version

Not great. Audi RS5 running costs include insurance, fuel and road tax – and all are relatively high. If you’re lucky enough to choose one as company car, then you’ll be hit hard with BIK too.

Overall it’s not quite as prohibitive as the Mercedes C63 AMG or indeed the BMW M3 though. Official combined fuel consumption is 26.4mpg, but you’ll have to be driving very gently indeed to get anywhere near that figure. We’d expect closer to 20mpg than 25mpg, and with its 61-litre fuel tank that equates to a real-world range of just less than 300 miles.

Again, just like every other running cost, you can expect to shell out quite a bit on road tax as Audi RS5 emissions are quite high – officially 249g/km. That’s still not as high as the Mercedes C63 AMG or BMW M3, but an eco-friendly car the RS5 is not.

On the whole reliability is strong for the brand, so there’s no reason to expect Audi RS5 reliability to be anything different. Certainly there have been no major problems with the A5 in general, and the 4.2-litre V8 engine has been used in the R8 supercar without any issues.