2021 Audi A3

1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)

£20,291

Fair price: within 8% of the typical £20,163 for this model, age and mileage, drawing on 6,542 adverts of this make and model.

Overview

Make
Audi
Model
A3
Trim
S LINE
Version
1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
Mileage
22,860 miles
Year
2021
Fuel type
Petrol Hybrid
Body type
Hatchback
Engine
1.5 L
Gearbox
Automatic
Power
148 bhp
Seats
5
CO2
135 g/km
Colour
Grey
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

This 2021 Audi A3 S Line has covered 22,860 miles, around 20,200 fewer than typical for its age. Our estimated market asking price is £20,163. This car is advertised at £20,291, which is £128 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. Since we first spotted the advert 15 days ago, the asking price has dropped by £609. Its recorded MOT is valid until 8 March 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Vindis Group Cambridge Audi, based in Cambridge.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 7 October 2026, 15 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £609 from the first recorded £20,900. 7 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
7 October 2026£20,900
8 October 2026£20,554
9 October 2026£20,455
10 October 2026£20,523
11 October 2026£20,424
13 October 2026£20,309
14 October 2026£20,310
15 October 2026£20,305
16 October 2026£20,295
17 October 2026£20,196
21 October 2026£20,291

Price and mileage comparison

Estimated market asking price: £20,163. The asking price is £128 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 6,542 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 20,200 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 8 March 2027. 21,919 miles at the last test.

100 other cars with the same year, trim, gearbox and fuel are for sale from £11,995 to £21,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£11,995120,530 miles
£12,490111,668 miles
£12,995108,000 miles
£12,99957,000 miles
£13,290108,000 miles

These cars have covered 11,900–120,530 miles, compared with 22,860 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi A3 cars for sale · 2021 Audi A3 price guide

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Dealer

Vindis Group Cambridge Audi, Cambridge. Across the dealer network: 17 branches, 1,184 cars for sale.

Dealer postcode: CB22 3AY.

Dealer opening hours

Monday
08:30-18:00
Tuesday
08:30-18:00
Wednesday
08:30-18:00
Thursday
08:30-18:00
Friday
08:30-18:00
Saturday
08:30-17:00
Sunday
Closed

Vehicle photos