Motoring Today

Audi A3 under £20,000

5 used Audi A3 for sale from £6,495 — every car priced under £20,000. Compare ULEZ, mileage and finance side by side.

The Audi A3 range is available from £6,495 right now, with 6 models currently in stock at under £20,000 as of 6 August 2026. For those considering finance, representative examples start from £172 per month on Hire Purchase, though all finance is subject to status. This budget allows access to a wide selection of A3 models, spanning model years from 2013 to 2022. The Audi A3 is a popular choice, commonly reported for its refined interior and comfortable driving experience.

Available now
5
under £20,000
Cheapest
£6,495
In budget
Audi A3
Above market

Audi A3

2013 Sportback Se Tdi

DieselManual83,000 mi2013
Band A · £20/yr
£172/mo
£6,495
cash

Protheroes·4.4 (73)· Market Harborough

Audi A3
Good price

Audi A3

2017 Sportback Sport Tfsi Semi-auto

PetrolAutomatic60,552 mi2017
£200/yr
£254/mo
£11,261
cash

AB Dealers·4.6 (196)· Feltham

Audi A3
Fair price

Audi A3

2017 Sportback E-tron

Petrol Electric HybridAutomatic45,930 mi2017
£200/yr
£277/mo
£12,275
cash

AB Dealers·4.6 (196)· Feltham

Audi A3
Above market

Audi A3

2022 Sportback 30 Tfsi Sport

PetrolManual34,063 mi2022
£200/yr
£354/mo
£16,495
cash

Albar Autos·4.3 (20)· Mountsorrel

Audi A3
Fair price

Audi A3

2021 Sportback 40 Tfsi S Line E Semi-auto

Petrol/electricAutomatic31,000 mi2021
£200/yrHome delivery
£379/mo
£17,699
cash

Anycolour Car·4.9 (148)· Barnsley

Frequently asked questions

What Audi A3 models can I find for under £20,000?
Currently, we have 5 Audi A3 models available under £20,000, with prices starting from £6,495. This selection typically includes models from 2013 to 2022.
Is finance an option for an Audi A3 at this price point?
Yes, finance can be available even on cash-priced vehicles. As a representative example, a £6,495 Audi A3 could be financed from £172 per month. Finance is subject to status.
What should I check when buying an Audi A3 under £20,000?
Always review the full MOT history and advisories, which are available on every Motoring Today listing. Also, check the service history for regular maintenance and ensure the mileage aligns reasonably with the car's age.