2018 Audi S3 prices

67 cars from UK dealers, updated 21 October 2026. Typical asking price £18,500.

Half of the 67 priced 2018 Audi S3 cars for sale are priced between £17,300 and £21,000.

Typical mileage 70,000 miles.

26 have had their price cut since they were first listed.

Is the price fair?

The prices above describe the cars currently advertised. They are not a valuation of every car of this model and year. Open a car to see its expected asking price, adjusted for mileage and specification, alongside the available evidence.

Cars for sale now

The cheaper cars like each one are on its AskCar page.

2018 Audi S3, 50,870 miles, £15,990, £3,606 under typical, Enfield
2018 Audi S3, 53,493 miles, £18,300, £2,871 under typical, Lympsham
2018 Audi S3, 65,550 miles, £17,500, £2,276 under typical, Leeds
2018 Audi S3, 50,109 miles, £17,250, £2,238 under typical, Rowley Regis
2018 Audi S3, 79,761 miles, £17,595, £1,634 under typical, Braintree
2018 Audi S3, 85,790 miles, £16,999, £1,479 under typical, Corby
2018 Audi S3, 73,394 miles, £17,295, St Neots
2018 Audi S3, 132,309 miles, £11,990, London
2018 Audi S3, 81,719 miles, £17,560, London
2018 Audi S3, 73,484 miles, £17,450, Edwinstowe
2018 Audi S3, 52,000 miles, £19,995, Dunfermline
2018 Audi S3, 52,500 miles, £19,995, Croydon
2018 Audi S3, 84,250 miles, £16,490, Peterborough
2018 Audi S3, 38,106 miles, £22,998, Rutherglen
2018 Audi S3, 79,849 miles, £16,990, Hyde
2018 Audi S3, 53,000 miles, £21,495, West Bromwich
2018 Audi S3, 55,000 miles, £19,950, Watford
2018 Audi S3, 58,736 miles, £17,750, Newcastle upon Tyne
2018 Audi S3, 72,200 miles, £17,995, Croydon
2018 Audi S3, 66,125 miles, £17,558, King's Lynn
2018 Audi S3, 49,022 miles, £18,750, Edwinstowe
2018 Audi S3, 53,212 miles, £18,995, Stepps
2018 Audi S3, 57,600 miles, £18,099, Bury
2018 Audi S3, 46,200 miles, £22,840, Stockport
2018 Audi S3, 63,406 miles, £19,450, Bolton
2018 Audi S3, 78,117 miles, £16,499, Corby
2018 Audi S3, 84,000 miles, £16,999, Great Gransden
2018 Audi S3, 69,911 miles, £20,245, York
2018 Audi S3, 52,360 miles, £22,450, Carrickfergus
2018 Audi S3, 82,881 miles, £17,495, Oundle
2018 Audi S3, 70,000 miles, £18,990, Hillingdon
2018 Audi S3, 79,600 miles, £19,195, Newport
2018 Audi S3, 108,000 miles, £14,800, Manchester
2018 Audi S3, 106,000 miles, £14,999, Leighton Buzzard
2018 Audi S3, 81,000 miles, £16,489, Keighley
2018 Audi S3, 82,501 miles, £17,499, Newport
2018 Audi S3, 55,224 miles, £22,480, Mansfield
2018 Audi S3, 56,144 miles, £22,120, London
2018 Audi S3, 114,000 miles, £15,480, Fareham
2018 Audi S3, 80,508 miles, £17,995, Bradford
2018 Audi S3, 51,000 miles, £22,995, Swindon
2018 Audi S3, 104,277 miles, £13,990, Welwyn Garden City
2018 Audi S3, 94,000 miles, £16,495, Feltham
2018 Audi S3, 67,863 miles, £19,999, Merthyr Tydfil
2018 Audi S3, 76,059 miles, £16,995, Lancaster
2018 Audi S3, 88,000 miles, £17,490, Bolton
2018 Audi S3, 56,359 miles, £19,995, Clay Cross
2018 Audi S3, 72,400 miles, £19,499, Atherstone
2018 Audi S3, 75,000 miles, £20,480, Fareham
2018 Audi S3, 49,000 miles, £22,795, Derby
2018 Audi S3, 79,500 miles, £19,995, Sedgebrook
2018 Audi S3, 77,140 miles, £20,990, St Ives
2018 Audi S3, 75,842 miles, £17,990, Hindley Green
2018 Audi S3, 76,088 miles, £17,499, Tonypandy
2018 Audi S3, 56,000 miles, £23,490, Audenshaw
2018 Audi S3, 71,569 miles, £18,490, Coventry
2018 Audi S3, 48,462 miles, £21,450, Tetbury
2018 Audi S3, 26,587 miles, £25,868, Catterick
2018 Audi S3, 53,465 miles, £22,990, Peterborough
2018 Audi S3, 67,000 miles, £23,000, Eastleigh
2018 Audi S3, 46,804 miles, £23,995, Bexley
2018 Audi S3, 99,000 miles, £18,495, Feltham
2018 Audi S3, 40,500 miles, £25,930, Walsall
2018 Audi S3, 83,183 miles, £22,495, Blackburn
2018 Audi S3, 40,000 miles, £31,495, Manchester
2018 Audi S3, 362 miles, £15,495
2018 Audi S3, 90,000 miles, £16,450, Bedford

Audi S3 by gearbox, fuel and body

Manual Audi S3 (78)
Audi S3 hatchback (705)
Audi S3 saloon (288)
Audi S3 convertible (20)

Audi S3 prices by year

2026 (35)
2025 (53)
2024 (84)
2023 (139)
2022 (50)
2021 (49)
2020 (35)
2019 (85)
2017 (129)
2016 (106)
2015 (78)
2014 (70)

Audi S3 by price

Under £10,000 (38)
Under £15,000 (222)
Under £20,000 (492)
Under £30,000 (730)

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