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Used Audi A6 Cars

Showing 1 to 10 of 402 second hand Audi A6 Cars
We have 402 used Audi A6 cars for sale online, so check out the listings. View stock from 52 dealers. Find a second hand Audi A6 by searching today.
Audi A6 50 TFSI e 17.9kWh Quattro Sport 4dr S Tron +19

2025

Automatic

235.4 mpg

Tax: n/a

Mileage: 84

Hybrid

Audi A6 50 TFSI e Quattro S Line 4dr S Tronic Salo +19

2025

Semi-Auto

217.3 mpg

Tax: £195

Mileage: 302

Hybrid

Audi A6 S line 50 TFSI e quattro 299 PS S tronic S +66

2024

Automatic

217.3 mpg

Tax: £195

Mileage: 334

Hybrid

Audi A6 50 TFSI e Quattro Black Edition 4dr S Tron +21

2025

Automatic

201.8 mpg

Tax: n/a

Mileage: 436

Hybrid

Audi A6 270kW Performance 100kWh Launch Edition 5d +35

2025

Automatic

Tax: n/a

Mileage: 1,054

Electric

Audi A6 270kW Performance 100kWh Launch Edition 5d +19

2025

Automatic

Tax: n/a

Mileage: 1,867

Electric

Audi A6 40 TFSI Black Edition 5dr S Tronic Estate +24

2025

Semi-Auto

36.7 mpg

Tax: £195

Mileage: 1,964

Petrol

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Audi A6 40 TFSI Sport 5dr S Tronic Estate 2025, 20 +19

2025

Semi-Auto

38.2 mpg

Tax: £195

Mileage: 2,000

Petrol

Audi A6 40 TFSI Black Edition 5dr S Tronic Estate +24

2024

Semi-Auto

36.7 mpg

Tax: £195

Mileage: 2,946

Petrol

Audi A6 270kW Performance 100kWh Launch Edition 5d +36

2025

Automatic

Tax: n/a

Mileage: 2,958

Electric

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Why buy a used Audi A6 Avant e-tron with Exchange and Mart?

Audi may sometimes struggle against its arch-rival BMW in terms of overall sales but in one segment at least, the Ingolstadt maker has traditionally beaten its closest rival: that of large, luxurious Executive-class estates. In its previous combustion form, their A6 Avant out-sold the rival BMW 5 Series Touring nearly two-to-one and was even further ahead of its other key segment competitor Mercedes' E-Class Estate. What then, might the marque achieve with a car that's smarter, safer and clever? This one, the A6 e-tron Avant, Audi's first all-electric luxury estate. Like the alternative A6 Sportback e-tron, it shares nearly all of its engineering with the brand's Q6 e-tron SUV; which means use of the 800V electrical architecture and Premium Platform Electric chassis the Q6 shares with the Porsche Macan Electric. It's claimed to be the most complete large load carrier Audi has ever made. Let's check it out.

About the Audi A6 Avant e-tron

This, even BMW and Mercedes would reluctantly have to admit, is a beautiful piece of engineering. It always has been. In its previous combustion form, the A6 Avant was, after all, the first cars in its class to offer things like bonded-in flush glazing, a galvanised bodyshell, V6 TDI power, four wheel drive and advanced twin-clutch automatic gearboxes. And in new-era e-tron EV guise, the cleverness continues, an extra dose of visual charisma blended with high technology and premium quality unsurpassed in this sector. This car's drawbacks, such as they are, shouldn't bother many potential buyers. No it's still not the most spacious large executive estate in its class - but these days, it's large enough for that not to matter. Yes, the extras can be expensive, but then that's the case with any premium executive car. And it's true that the handling isn't especially aimed at driving enthusiasts, though you can go a long way towards sharpening it by ticking the right options boxes. This then, is a very complete product that will doubtless continue as one of the leaders in its class for many years to come. A thorough case, if ever there was one, of vorsprung durch technic.

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Browse Audi A6 by body type

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