2023 Audi A4 Avant 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A4 Avant
• Trim: S Line
• Version: 2.0 40 TFSI 204 S Line S tronic FWD Euro 6 5dr (201 bhp)
• Year: 2023
• Mileage: 51,733 miles
• Fuel: Petrol, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 51,733 miles on the clock, this 2023 Audi A4 Avant S Line has done roughly 21,100 more miles than a typical 2023 Audi A4 Avant. The dealer is asking £19,998, which is £41 below the AskCar estimate of £20,039. To work out the AskCar estimate, we analyse UK dealer adverts for 1,232 Audi A4 Avant cars across different ages and specifications. It first appeared in our advert records 14 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Aberdeen Mazda Chery Jeep Alfa Romeo Leapmotor Lepas, based in Aberdeen. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £41 (under 1%) under the AskCar estimate of £20,039.

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 1,232 priced Audi A4 Avant adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A4 Avant with the 2.0 petrol engine is typically advertised at £22,800: the median of the 205 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Audi A4 Avant has been on sale for at least 14 days.

Price history

AskCar first saw this advert on 21 October 2026 at £19,998. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 18 October 2027.

It has had 2 MOTs. The latest, on 19 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 51,744 miles, which matches the advertised 51,733 miles.

Advertised mileage is about 21,100 miles higher than the median mileage of a 2023 Audi A4 Avant on AskCar.

Similar cars

52 other 2023 Audi A4 Avant S Line 2.0 petrol automatic estates are for sale at UK dealers, from £15,000 to £27,499, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A4 Avant S Line, 2.0 petrol estate, blue. Mileage: 52,195 miles. Price: £19,998, the same price as this car. Dealer: Arnold Clark Wolverhampton Motorstore / Vanstore in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-37894e48974e
• 2023 Audi A4 Avant S Line, 2.0 petrol estate, grey. Mileage: 50,780 miles. Price: £20,000, the same price as this car. Dealer: Sytner Group Huddersfield Audi in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-85b32cb6b0f5
• 2023 Audi A4 Avant S Line, 2.0 petrol estate, grey. Mileage: 53,477 miles. Price: £20,998, £1,000 more than this car. Dealer: Arnold Clark Edinburgh Seafield MG / OMODA / JAECOO in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-8be819ea3882

• The nearest: 2023 Audi A4 Avant S Line, 2.0 petrol estate, blue, 1 miles from this car. Mileage: 24,939 miles. Price: £27,499, £7,501 more than this car. Dealer: Hawco Group in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a4-avant-2023-78a6d78aba24