2021 Audi A3

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

£16,850

Fair price: within 8% of the typical £17,468 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) 5dr Sportback (148 bhp)
Mileage
50,500 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
White
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 50,500 miles, around 7,500 more than typical for its age. Our estimated market asking price is £17,468. This car is advertised at £16,850, which is £618 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 6,439 Audi A3 cars across different ages and specifications. We have tracked this advert for 1 day. The seller is K Motors London, based in New Malden.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 23 October 2026, 1 days ago. Advert duration calculated on 24 October 2026.

Recorded asking prices
Date observedAsking price
23 October 2026£16,850

Price and mileage comparison

Estimated market asking price: £17,468. The asking price is £618 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 7,500 miles higher 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 50,500 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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