2023 Audi A4 2.0 TFSI S Line

Version: 2.0 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)

Price: £18,600. Fair price: £231 (1%) under the AskCar estimate of £18,831, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,413 priced Audi A4 adverts on AskCar as of 31 October 2026.

AskCar lists 1,470 used Audi A4 from 958 UK dealerships, as of 31 October 2026.

Overview

Make
Audi
Model
A4
Trim
S Line
Version
2.0 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
Mileage
42,452 miles
Year
2023
Fuel type
Petrol
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
148 bhp
Seats
5
CO2
154 g/km
Colour
Grey
Doors
4
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Emissions standard
Euro 6

About this car

With 42,452 miles on the clock, this 2023 Audi A4 S Line has done roughly 13,800 more miles than a typical 2023 Audi A4. Priced at £18,600, it is advertised £231 below the AskCar estimate of £18,831. The AskCar estimate uses 1,413 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. MOT records show an expiry date of 27 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Select Bristol, based in Bristol.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 31 October 2026.

Recorded asking prices
Date observedAsking price
31 October 2026£18,600

Price and mileage comparison

Fair price: £231 (1%) under the AskCar estimate of £18,831.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,413 priced Audi A4 adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 13,800 miles higher than the median mileage of a 2023 Audi A4 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 27 March 2027. 36,766 miles at the last test.

Other matching cars

86 other 2023 Audi A4 S Line automatic petrol cars are for sale at UK dealers from £14,300 to £22,999, as of 31 October 2026.

The 5 cheapest:

The 86 matching cars have covered 1 to 80,600 miles, compared with 42,452 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Audi A4 cars for sale · 2023 Audi A4 price guide

More like this

Photos

12 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.