Used Audi A4 cars for sale or finance at 10.9% APR

Both the A4 saloon and A4 Avant estate are 4.8 metres long. Compared to key rivals, the A4 is about 50mm longer than the BMW 3 Series, and almost exactly the same length as the latest Mercedes C-Class.

While the length means the A4 won’t squeeze into the tightest of spaces, it does give you lots of passenger space in the cabin. Four adults will find plenty of head, knee and elbow room, while pushing this to five won’t result in too many complaints from the back seats. Boot space is decent in the saloon, which can easily cope with two large suitcases, but is positively excellent in the Avant, which would make a great choice for drivers that regularly carry bikes or dogs.

There are no weak choices in the A4’s engine range with all versions feeling smooth and unstressed on the move. Most models are offered with the smooth S Tronic automatic gearbox, which we’d recommend because it suits the car’s fuss-free attitude, although the six-speed manual is still easy to use. Audi's quattro all-wheel drive is optionally available on the most powerful engines and gives you even better grip in slippery conditions.

Audi's performance in recent reliability surveys, like rivals BMW and Mercedes, has left a little to be desired. Like many premium manufacturers, issues generally stem from the substantially increased equipment lists you'll find in upmarket cars, which means there's more that can go wrong.

Despite this, the A4 uses engines and parts that can be found in plenty of other Audi and VW-Group cars, so replacements should be readily available if the need arises.

Add an extended warranty onto your A4 when you make your purchase if you want to protect against unexpected repair costs down the line.

Audi is a premium manufacturer, so you should expect to pay a little more for maintenance and repairs than you would for a more affordable car.

TDI-badged A4s are powered by diesel engines, which come with diesel particulate filters (DPFs). These can get clogged if you only use the car for short journeys, which will mean a pricey cleaning or replacement bill, so make sure your driving needs are right for a diesel before choosing one.

Estimates generally put the Audi A4's depreciation in line with the BMW 3 Series and slightly behind the Mercedes C-Class, which holds its value marginally better. Compared to the industry average, the A4 shouldn't depreciate too quickly after you purchase it. Buying nearly new is a good way to protect yourself from a car's initial depreciation, which is usually the fastest.