2021 Audi A3

1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)

£18,190

Fair price: within 8% of the typical £19,094 for this model, age and mileage, drawing on 6,439 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) 4dr (148 bhp)
Mileage
36,644 miles
Year
2021
Fuel type
Petrol Hybrid
Body type
Saloon
Engine
1.5 L
Gearbox
Automatic
Power
148 bhp
Seats
5
CO2
131 g/km
Colour
Black
Doors
4
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

At 36,644 miles, this 2021 Audi A3 S Line has covered about 6,400 fewer miles than other 2021 Audi A3 cars. The dealer is asking £18,190, which is £904 below our market estimate of £19,094. To estimate its market asking price, we analyse UK dealer adverts for 6,439 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 2 days ago. The seller is Evans Halshaw BYD Milton Keynes, based in Milton Keynes.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 23 October 2026, 2 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observedAsking price
23 October 2026£18,190

Price and mileage comparison

Estimated market asking price: £19,094. The asking price is £904 below 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 6,439 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 6,400 miles lower than typical for a 2021 Audi A3.

104 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 36,644 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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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