Used car guide

2009 Audi A5 petrol: common problems and MOT failures

What MOT testers find on the petrol Audi A5 first registered in 2009 (petrol cars only): we looked at the 7,493 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

7,493MOTs of 2009 petrol cars, done in 2023–2025
73%pass first time (all 2009 cars: 59%)
7,200typical miles a year
34%had tyres flagged

Common 2009 Audi A5 petrol MOT failures and advisories

The share of 2009 Audi A5 petrol MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    34% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Suspension
    30% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Brakes
    20% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Lights and electrics
    17% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Oil and fluid leaks
    11% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

  • Wipers, windscreen and mirrors
    8% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

Known faults on the 2009 Audi A5 petrol

Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.

  • Oil burning (2.0 TFSI petrol)

    2.0 TFSI petrol

    The 2.0 TFSI petrol can burn a surprising amount of oil.

    At the viewing: Check the oil level and ask how often it needs topping up between services.

    Source: Carbuyer: used Audi A5 Coupe buying guide (2007-2016)

  • S tronic automatic

    S tronic automatic

    The S tronic gearbox doesn’t have the best reputation for reliability, and repairs are costly.

    At the viewing: Drive in traffic and check changes are smooth, with no slipping or hesitation.

    Source: Carbuyer: used Audi A5 Coupe buying guide (2007-2016)

  • Climate control failure

    All engines

    The climate control can fail and is expensive to repair. Regular re-gassing helps, as it adds lubricant.

    At the viewing: Make sure it blows cold, and ask when it was last re-gassed.

    Source: Carbuyer: used Audi A5 Coupe buying guide (2007-2016)

  • Clunks from the quattro drivetrain

    quattro models

    Clunks or knocks from the four-wheel-drive system in normal driving can mean a fault.

    At the viewing: Listen for clunks pulling away and on tight turns.

    Source: Carbuyer: used Audi A5 Coupe buying guide (2007-2016)

Questions to ask the seller before buying a 2009 Audi A5 petrol

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. How much oil does it use between services?
  2. Has the gearbox had any work, and has its oil been changed on time?
  3. Can I see the service history and receipts for any big jobs?

Looking at an Audi A5?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the Audi A5 compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023216Tyres 16%
20224,601Tyres 26%
202110,698Tyres 28%
202014,524Tyres 29%
201929,520Tyres 30%
201833,951Tyres 29%
201741,655Tyres 28%
201624,823Tyres 33%
201530,811Tyres 34%
201431,775Tyres 34%
201331,715Tyres 34%
201227,642Tyres 35%
201128,665Suspension 35%
201030,059Tyres 36%
200811,759Suspension 42%
20073,998Suspension 40%

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Audi A5 cars first registered in 2009. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score