2021 Audi A3

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

£18,495

Fair price: within 8% of the typical £18,553 for this model, age and mileage, drawing on 6,484 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
42,005 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

The advertised mileage for this 2021 Audi A3 S Line is 42,005 miles. At £18,495, it is advertised £58 below our estimated market asking price of £18,553. We use UK dealer asking prices, including 6,484 Audi A3 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 145 days ago, the asking price has dropped by £500. Our latest MOT record expired on 25 September 2026. Check the current position with the dealer. The advertised mileage is consistent with the mileage at its latest MOT. It is for sale at Ideal Car Centre in Bilston.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 145 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £500 from the first recorded £18,995. 2 price reductions recorded, the latest observed on 5 August 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£18,995
7 July 2026£18,995
22 July 2026£18,795
23 July 2026£18,795
5 August 2026£18,495
6 August 2026£18,495
19 October 2026£18,495

Price and mileage comparison

Estimated market asking price: £18,553. The asking price is £58 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 6,484 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 800 miles lower than typical for a 2021 Audi A3.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 25 September 2026. 41,634 miles at the last test.

97 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
£12,99957,000 miles
£13,490108,000 miles
£13,70096,353 miles

These cars have covered 12,650–120,530 miles, compared with 42,005 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

Ideal Car Centre, Bilston. Across the dealer network: 105 cars for sale.

Dealer postcode: WV14 6BD.

Dealer opening hours

Monday
09:00-18:00
Tuesday
09:00-18:00
Wednesday
09:00-18:00
Thursday
09:00-18:00
Friday
09:00-18:00
Saturday
09:00-18:00
Sunday
Closed

Vehicle photos