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Used Audi A5 (Mk2, 2016-2024) buyer’s guide: a stylish, premium coupe that’s easy to live with

A full used buyer’s guide on the Audi A5 Mk2 that was on sale between 2016 and 2024

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5 Jun 2025

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Verdict

For years Audi has been on the receiving end of criticism about its cars’ dynamics, and it’s no different with the A5 Mk2. These coupés and cabriolets make superb cruisers with their refinement, power and comfort, but you’re unlikely to get up just to go for a blast down a B-road in one. It might lack the sparkle of a BMW 4 Series, but the A5 is hardly a duffer in this respect. It’s easy and enjoyable to drive, if not rewarding, but it is easy to live with. As with most German cars, it comes at a premium cost, but we reckon it’s a price worth paying.

Back in the sixties, when Volkswagen bought Audi from Mercedes-Benz, few people could have foreseen just what a powerhouse this all-encompassing premium brand would become. The seeds were sown in the seventies, then in the eighties Audi gained momentum thanks to its reputation as an innovator, with aerodynamic luxury cars that frequently offered the security of four-wheel drive.

From being a bit-part player, Audi’s presence in the UK is now decidedly heavyweight, even though the brand is still outsold by both BMW and Mercedes. But that doesn’t matter to used-car buyers; what does matter is that Audi builds some of the most desirable cars on the road, including the A5 in both coupé and cabriolet forms.

History

The second-generation Audi A5 Coupé reached UK showrooms in September 2016. A single 2.0 TFSI petrol engine was offered in 187bhp or 248bhp forms, and the latter featured standard quattro four-wheel drive.

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2021 Audi

36,438 milesAutomaticPetrol2.0L

Cash £21,300

View A5

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2019 Audi

38,205 milesAutomaticPetrol2.0L

Cash £17,300

View A5

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2025 Audi

31,457 milesAutomaticPetrol2.0L

Cash £21,699

View A5

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2025 Audi

24,534 milesAutomaticPetrol2.0L

Cash £24,999

View A5

Diesel lovers could choose from 187bhp 2.0 TDI and 215bhp 3.0 TDI engines, the latter in quattro form only. All engines were available with a six-speed manual or seven-speed S tronic automatic gearbox, although the 349bhp 3.0 TFSI S5 came only with an eight-speed Tiptronic gearbox.

The A5 Cabriolet was launched in April 2017, with identical engine, trim and transmission combinations. The 444bhp RS 5 Coupé and Cabriolet joined the range in August 2017, with a 3.0 V6 TFSI engine. A 148bhp 1.4 TFSI engine was introduced in November 2017, then in April 2020 a revised A5 arrived. This brought design changes, mild-hybrid tech for most engines, a 342bhp 3.0 TDI engine for the S5, LED headlights and upgraded infotainment.

Which one should I buy?

After a couple of years Audi stopped offering a manual gearbox for the A5, because so few people chose it. The automatic transmission is great to use, as are all of the engines.

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All A5s are well equipped, with even the entry-level SE model featuring 17-inch alloy wheels, xenon headlights, heated front seats, leather trim, three-zone climate control, a seven-inch touchscreen, a 10-speaker hi-fi, DAB radio, Bluetooth, cruise control, front and rear parking sensors, and auto emergency braking.

The Sport has the same equipment as the SE, but sportier design details inside and out, plus LED interior ambient lighting. The S line model has 18-inch wheels, stiffer suspension, LED headlights, and sports seats trimmed in leather and Alcantara.

Used Audi A5 prices

Used Audi A5 Mk2 prices for cars currently available on our Find a Car service start from £20,000 and go up to around £48,000. Use our car valuation tool to check the price of specific models.

Alternatives to the Audi A5

Just like the A5, the BMW 4 Series is built to an impressive standard, comes with some efficient engines and is excellent ergonomically. The BMW is more engaging to drive than the Audi and it also gives a choice of coupé or convertible bodystyles.

Mercedes offers C-Class and E-Class coupés and cabriolets, and they all provide excellent build quality, plus decent engines, refinement and reliability. Four-seat coupés have fallen out of favour in recent years, so other options are few and far between. If you want a stylish coupé, and two seats will be enough, the Porsche Cayman is dynamically superb, while the Toyota Supra and Alpine A110 are also great fun. If you need a bit more practicality, don’t forget the five-door A5 Sportback, with its huge boot opening.

What to look for

Spare

The A5 doesn’t come with a full-sized spare wheel, but at least Audi does supply a space-saver wheel, rather than a tyre mobility kit.

Safety

The A5 Coupé achieved a five-star Euro NCAP score, thanks to its strong structure and extensive safety kit. The Cabriolet was never tested.

Diesel

The A5 2.0 TDI was available in standard and Ultra guises. The Ultra is marginally more frugal, and has a 130mph top speed instead of 149mph.

Fuel tank

Audi offered A5 2.0 TDI buyers the option to upgrade from a 40-litre fuel tank to a 54-litre capacity, and then from a 12-litre AdBlue tank to a 24-litre one.

Common Audi A5 problems

The most common issues faced by A5 owners relate to electrical glitches; we’ve seen reports of infotainment systems crashing, windows opening themselves when the indicator is activated, and even the electronic parking brake not engaging.

Interior

Audi offers some of the most inviting cabins around, with plush materials, great design and a superb level of user-friendliness. The A5 also provides excellent seats and dash design that’s a model of clarity.

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Rear-seat space is tight for adults, unless they’re quite small. All A5 Coupés come with a split-folding rear seat; with them up, the Coupé can stow 465 litres in the boot, while the Cabriolet can take 380 litres.

Buyers may also want to look out for models fitted with the optional Comfort and Sound pack, which includes a 360-degree camera, hands-free tailgate, upgraded stereo and extra ambient lighting.

Running costs

Audi A5 owners can choose between fixed and flexible service regimes, with the former set at every 12 months or 9,000 miles, whichever comes first. Services alternate between minor and major; the former is simply an oil change. Opt for the flexible scheme and your Audi will need to be serviced every two years or 18,600 miles; at the same time an inspection service (oil change) is due.

An oil service is priced at £270, whereas an oil and inspection service with a fresh pollen filter costs £350. On top of this, fresh brake fluid is required every two years, at £65, and the 2.0 TDI engine has a cambelt, which should be replaced every 140,000 miles or five years, at a cost of £476, or £807 with a new water pump fitted at the same time.

Check the price of an Audi A5 with our free car valuation tool...

Recalls

Audi has recalled the A5 Mk2 11 times so far. The first was in February 2017 due to faulty airbags and seatbelt pre-tensioners; three months later, overheating coolant pumps led to the second recall, and then another in June 2018. Overheating air-con units led to recalls in both January and February 2018, and in December 2018 Audi launched a campaign due to airbag glitches.

Fuel leaks led to the next recall, in March 2019, with the next one coming two months later because of poor-quality front suspension castings. A5s with a factory-fitted towbar were recalled in June 2019 thanks to faulty locking mechanisms; a year later, water getting into the electronics of mild-hybrid models led to the 10th recall. The most recent action was launched in October 2020, because of seat frames working loose.

Driver Power owner satisfaction

You can still buy an Audi A5, but it’s not the car pictured, a model that was killed off last year. Instead, the new A5 took over from the old A4 – offered in hatchback form, or as an estate sold as the A5 Avant. The Mk2 A5 came in coupé form (as pictured here), as a convertible, or as a five-door hatch called the Sportback. Owners of all three bodystyles fed into our survey.

Considering the age of the old A5, it did well to appear in our 2024 poll, even if none of its various category scores are that great.

There are no ratings in the top 10, but there are several in the top 20, including 15th for servicing costs,
17th for the functioning of the safety systems and 18th for reliability and rear legroom. Overall quality and running costs are both ranked 19th. The next best scores are 20th for acceleration and seat versatility,
along with 21st for the interior design.

Most of the remainder are mid-table or thereabouts, but what owners really don’t like are the infotainment (which comes 48th), the navigation (45th) and front-seat comfort (48th).

There also doesn’t seem to be a lot of driving pleasure in evidence for most owners, who rank the Audi 41st in this respect.

What do owners think

Here’s what owners in the 2024 Driver Power survey thought of the Audi A5 Mk2.

What they like	What they don't like
“Even on big wheels and sport suspension the A5 isn’t uncomfortable, and the brakes are quite brilliant.”	“I’m a big fan of my A5, but if there’s one thing that I would change, it would be more comfortable seats.”
“Inside and out, my A5 is stylish but understated, while the overall quality is excellent.”	“The boot of my convertible is really quite tiny, and for such a big car I expected more rear-seat legroom.”
“There’s plenty of grip and performance. What I love most is that my A5 is the quietest car I’ve owned.”	“The press bangs on about how great the infotainment set-up is, but I think it’s actually not that intuitive.”
“I’ve never had an issue with any of my Audis, and this is my sixth example since my first in 2004.”	“The A5 is a class act, but the DSG automatic gearbox is a bit of a letdown. It could be a bit smoother.”
“Refinement levels are impressive and so is the performance, but my stand-out feature is the DSG ’box.”	“The standard hi-fi doesn’t sound all that good, and the navigation suggests some very weird routes.”
“The A5 is a user-friendly car that’s good to drive and feels very safe. If one thing stands out, it’s the quality.”
“The steering offers decent feedback, but it’s light enough for low- speed manoeuvres. My A5 quattro feels very sure-footed when the roads are slippery, with lots of grip.”
“Everywhere you look inside the A5 you see first-class build quality. The seats are also very comfortable, but the heated-seat settings don’t seem to vary by very much.”
“Rear-seat space is never meant to be a forté of coupés and convertibles, but with the A5 there’s actually a decent amount of room – enough for two adults to travel in comfort. I also find it very straightforward to install a child seat when I need to.”