2023 Audi A4 Avant

2.0 TFSI S Line S tronic FWD Euro 6 5dr (147 bhp)

£20,999

Fair price: within 8% of the typical £20,757 for this model, age and mileage, drawing on 1,186 adverts of this make and model.

Overview

Make: Audi
Model: A4 Avant
Trim: S LINE
Version: 2.0 TFSI S Line S tronic FWD Euro 6 5dr (147 bhp)
Mileage: 36,766 miles
Year: 2023
Fuel type: Petrol
Body type: Estate
Engine: 2.0 L
Gearbox: Automatic
Power: 147 bhp
Seats: 5
CO2: 160 g/km
Colour: Grey
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: S tronic
Engine badge: TFSI
Emissions standard: Euro 6

About this car

With 36,766 miles on the clock, this 2023 Audi A4 Avant S Line has done roughly 6,000 more miles than a typical 2023 Audi A4 Avant. At £20,999, it is advertised £242 above our estimated market asking price of £20,757. Our estimate draws on 1,186 Audi A4 Avant adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 22 days ago. It is advertised by Available Car Supermarket - Castle Donington in Castle Donnington.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 September 2026, 22 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
29 September 2026	£20,999
20 October 2026	£20,999

Price and mileage comparison

Estimated market asking price: £20,757. The asking price is £242 above 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 1,186 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 6,000 miles higher than typical for a 2023 Audi A4 Avant.

MOT

MOT no details held by dvla.

34 other cars with the same year, trim, gearbox and fuel are for sale from £17,790 to £24,998.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£17,790	52,475 miles
£18,660	45,858 miles
£18,864	43,396 miles
£18,955	57,560 miles
£19,199	46,198 miles

These cars have covered 5,080–57,560 miles, compared with 36,766 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 A4 Avant cars for sale · 2023 Audi A4 Avant price guide

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Dealer

Available Car Supermarket - Castle Donington, Castle Donnington. Across the dealer network: 2 branches, 2,547 cars for sale.

Dealer postcode: DE74 2NL.

Dealer opening hours

Monday: 09:00-20:00
Tuesday: 09:00-20:00
Wednesday: 09:00-20:00
Thursday: 09:00-20:00
Friday: 09:00-20:00
Saturday: 09:00-18:00
Sunday: 10:00-17:00