2021 Audi A3

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

£16,900

Fair price: within 8% of the typical £16,357 for this model, age and mileage, drawing on 6,532 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
62,432 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
Blue
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

At 62,432 miles, this 2021 Audi A3 S Line has covered about 19,400 more miles than other 2021 Audi A3 cars. Its asking price of £16,900 is £543 above our estimate of £16,357. Our estimate draws on 6,532 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 19 days ago. Its asking price has since fallen by £200. MOT records show an expiry date of 10 April 2027, and the latest recorded mileage is consistent with the advert. The seller is Marshall SEAT Reading, based in Reading.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 2 October 2026, 19 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £200 from the first recorded £17,100. 1 price reduction recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observedAsking price
2 October 2026£17,100
16 October 2026£16,900
20 October 2026£16,900

Price and mileage comparison

Estimated market asking price: £16,357. The asking price is £543 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 6,532 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 19,400 miles higher than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 10 April 2027. 60,046 miles at the last test.

98 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 62,432 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

Marshall SEAT Reading, Reading. Across the dealer network: 129 branches, 4,150 cars for sale.

Dealer postcode: RG4 8UA.

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
10:30-16:30

Vehicle photos