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Audi A5 Sportback (2017-2024) running costs and reliability

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Running costs rating: 4 out of 54.0

Written by Keith Adams Published: 28 August 2024

Miles per pound (mpp)

Low figures relate to the least economical version; high to the most economical. Based on WLTP combined fuel economy for versions of this car made since September 2017 only, and typical current fuel or electricity costs.
Petrol engines 4.2 - 6.6 mpp
Diesel engines 4.9 - 7.4 mpp
What is miles per pound?

Fuel economy

Low figures relate to the least economical version; high to the most economical. Based on WLTP combined fuel economy for versions of this car made since September 2017 only.
Petrol engines 28.5 - 44.8 mpg
Diesel engines 38.2 - 57.6 mpg
View mpg & specs for any version

How much is it going to cost to run?

The A5 shouldn’t cost much to fuel, thanks to strong claimed MPG and low tax bills. We found the all-wheel drive 252hp 2.0-litre petrol returns up more than 40mpg in real-world driving (with a light right foot), while even the S5 performance model should score more than 35mpg with care thanks to its sporty diesel engine.

The diesels are the MPG stars of the range, delivering between 50 and 60mpg in typical UK driving, with low CO2 emissions to match. The A5 Sportback is quite economical for its size with low emissions for the performance on offer. Specify the Quattro all-wheel drive system on 2.0-litre diesel models, however, and economy drops slightly, with a small emissions penalty. The automatic gearbox, meanwhile, shaves a few grams off the CO2 figure in most cases.

This Audi retains its value well. This means that if you buy the car with cash or a loan, when you come to sell it should still be worth a substantial amount – cutting the total amount you spend.

Audi A5 Coupe review (2022)

Servicing and maintenance

Audi’s servicing and maintenance costs on par with its premium rivals – in other words, fairly expensive, but with high levels of customer satisfaction. The A5’s servicing intervals are every two years, 19,000 miles, too.

Audi’s standard warranty, at three years or 60,000 miles is stingy compared with others. Especially BMW’s, which is three years and unlimited mileage. But you can extend the warranty to four years/75,000 miles or five years/90,000 miles for extra money.

Reliabiity

  • Certainly looks and feels solidy built
  • Technology shared across the Volkswagen Group
  • Reliability record is good with company car drivers

The Audi A5 Sportback shares a lot in common with the Audi A4 and therefore the reliability is largely similar. According to the FN50 reliability report from Fleet News the Audi A4 is one of the more reliable company cars, although it falls behind the BMW 3 Series.

The engines are seen across the Audi range, meaning that any common issues have been ironed out, while the cabin feels very high quality and built to last. There is a question mark, however, over the Virtual Cockpit digital dashboard and the related electronics, with some Audi TT models with the same system experiencing occasional problems.

Ongoing running costs

Road tax £20 - £600
Insurance group 24 - 50
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