2023 Audi A3

1.4 45 S Line Competition S tronic FWD Euro 6 5dr (241 bhp)

£20,698

Fair price: within 8% of the typical £21,623 for this model, age and mileage, drawing on 6,532 adverts of this make and model.

Overview

Make: Audi
Model: A3
Trim: S LINE COMPETITION
Version: 1.4 45 S Line Competition S tronic FWD Euro 6 5dr (241 bhp)
Mileage: 38,553 miles
Year: 2023
Fuel type: Petrol Plug-in Hybrid
Body type: Hatchback
Engine: 1.4 L
Gearbox: Automatic
Power: 241 bhp
Seats: 5
CO2: 30 g/km
Colour: White
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: S tronic
Engine badge: TFSIe
Hybrid type: Plug-in hybrid
Emissions standard: Euro 6

About this car

This 2023 Audi A3 S Line Competition is advertised with 38,553 miles, approximately 11,800 above the typical mileage for its age. Our estimated market asking price is £21,623. This car is advertised at £20,698, which is £925 below that figure. The estimate uses 6,532 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 29 days ago, the asking price has dropped by £200. MOT records show an expiry date of 16 September 2027, and the latest recorded mileage is consistent with the advert. The seller is CarSupermarket.com Preston, based in Preston.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 September 2026, 29 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £200 from the first recorded £20,898. 1 price reduction recorded, the latest observed on 14 October 2026.

Recorded asking prices
Date observed	Asking price
22 September 2026	£20,898
14 October 2026	£20,698
20 October 2026	£20,698

Price and mileage comparison

Estimated market asking price: £21,623. The asking price is £925 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 6,532 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 11,800 miles higher than typical for a 2023 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 16 September 2027. 38,549 miles at the last test.

15 other cars with the same year, trim, gearbox and fuel are for sale from £16,995 to £26,971.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£16,995	82,777 miles
£17,499	71,626 miles
£17,895	67,825 miles
£18,995	51,600 miles
£20,475	46,835 miles

These cars have covered 5,144–82,777 miles, compared with 38,553 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 · 2023 Audi A3 price guide

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Dealer

CarSupermarket.com Preston, Preston. Across the dealer network: 14 branches, 1,360 cars for sale.

Dealer postcode: PR2 2DF.