Motoring Today

Audi A6 under £20,000

3 used Audi A6 for sale from £13,992 — every car priced under £20,000. Compare ULEZ, mileage and finance side by side.

There are currently 4 Audi A6 models available for under £20,000 on Motoring Today, as of 31 July 2026. The cheapest cash price for an A6 in this budget is £14,199. Alternatively, this model is available with a representative monthly payment of £327 on a HP agreement with 13% APR and no deposit over 60 months; all finance is, of course, subject to status. Within this budget, you can expect to find Audi A6 models from model years 2016 through to 2022. This price point typically offers a diverse range of specifications for this popular executive car.

Available now
3
under £20,000
Cheapest
£13,992
In budget
Audi A6
Fair price

Audi A6

2018 Se Executive Tdi Quattro Semi-auto

DieselAutomatic76,841 mi2018
£200/yr
£322/mo
£13,992
cash

CG Motorland·4.5 (202)· Leicester

Audi A6
Above market

Audi A6

2016 Allroad Sport Tdi Quattro Semi-auto

DieselAutomatic69,788 mi2016
Band F · £225/yr
Finance available on request
£18,995
cash

Albar Autos·4.3 (20)· Loughborough

Audi A6
Good price

Audi A6

2019 S Line 40 Tdi Semi-auto

DieselAutomatic54,000 mi2019
£200/yr
£421/mo
£19,450
cash

Vantage Autohouse·4.9 (19)· Cwmbran

Frequently asked questions

What kind of Audi A6 can I get for under £20,000?
You can currently find 4 Audi A6 models for under £20,000 on Motoring Today, with prices starting from £14,199. These typically range from 2016 to 2022 models, offering a good selection of recent vehicles.
Is finance available for an Audi A6 at this cash price?
Yes, finance can be available even if you're looking to pay cash. Representative monthly payments for an Audi A6 under £20,000 start from £327, though this is a representative example and finance is subject to status.
What should I check when buying an Audi A6 at this price point?
It's always wise to check the MOT history and any advisories, which Motoring Today shows for every listing. Also, thoroughly review the service history and consider how the mileage aligns with the car's age, as these are key indicators of its condition.