2023 Audi A3

1.5 TFSI 35 Sport Manual FWD Euro 6 (s/s) 4dr (148 bhp)

£18,298

Fair price: within 8% of the typical £18,555 for this model, age and mileage, drawing on 6,484 adverts of this make and model.

Overview

Make: Audi
Model: A3
Trim: SPORT
Version: 1.5 TFSI 35 Sport Manual FWD Euro 6 (s/s) 4dr (148 bhp)
Mileage: 20,881 miles
Year: 2023
Fuel type: Petrol
Body type: Saloon
Engine: 1.5 L
Gearbox: Manual
Power: 148 bhp
Seats: 5
CO2: 128 g/km
Colour: Silver
Doors: 4
Driven wheels: Front Wheel Drive
Engine badge: TFSI
Emissions standard: Euro 6

About this car

With 20,881 miles on the clock, this 2023 Audi A3 Sport has done roughly 5,700 fewer miles than a typical 2023 Audi A3. The dealer is asking £18,298, which is £257 below our market estimate of £18,555. To estimate its market asking price, we analyse UK dealer adverts for 6,484 Audi A3 cars across different ages and specifications. We first saw this car advertised 39 days ago. Its asking price has since fallen by £200. MOT records show an expiry date of 28 September 2027, and the latest recorded mileage is consistent with the advert. The seller is CarSupermarket.com Birmingham, based in Birmingham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 12 September 2026, 39 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £200 from the first recorded £18,498. 1 price reduction recorded, the latest observed on 6 October 2026.

Recorded asking prices
Date observed	Asking price
12 September 2026	£18,498
6 October 2026	£18,298
19 October 2026	£18,298

Price and mileage comparison

Estimated market asking price: £18,555. The asking price is £257 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 5,700 miles lower than typical for a 2023 Audi A3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 28 September 2027. 20,893 miles at the last test.

80 other cars with the same year, trim, gearbox and fuel are for sale from £13,400 to £20,499.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£13,400	77,676 miles
£13,551	59,592 miles
£13,795	65,860 miles
£13,860	58,938 miles
£14,200	51,200 miles

These cars have covered 3,694–77,676 miles, compared with 20,881 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 Birmingham, Birmingham. Across the dealer network: 14 branches, 1,330 cars for sale.

Dealer postcode: B33 0JD.

Dealer opening hours

Monday: 08:30-20:00
Tuesday: 08:30-20:00
Wednesday: 08:30-20:00
Thursday: 08:30-20:00
Friday: 08:30-20:00
Saturday: 08:30-17:30
Sunday: 10:00-16:00