Used test: Audi A8 vs Mercedes S-Class

Buy either of these two superb luxury cars at a couple of years old and you'll save yourself a fortune. But which one should be top of your list? We have the answer...

Mercedes S-Class S350d L AMG Line

What will they cost? 

This much space and quality requires a big budget, and both of these cars would have set you back in excess of £70,000 new. 

New Audi A8 vs Mercedes S-Class

Bought at a couple of years old though, as here, the savings are huge. You’ll save nearly £38,000 on the price of an A8, for starters, and over £40,000 on the S-Class. The A8 will actually cost you a little more to buy now, which points to its better residual values, but both cars undeniably offer a lot of luxury for the money at this age. 

While the A8 didn’t feature in our most recent reliability survey, the S-Class did and it didn’t fare too well, coming second from bottom in the luxury car class, with some owners reporting issues with non-engine electrical problems. Mercedes as a brand finished in a disappointing 24th place out of 31 manufacturers while Audi ended up in 20th position. 

New Audi A8 vs Mercedes S-Class

Both cars have a standard equipment list befitting the luxury class, but the fact that the A8 includes heated rear seats and adaptive cruise control with semi-autonomous steering assistance as standard, while the S-Class doesn’t, scores it extra points.