2023 Audi A4

2.0 TFSI S Line Auto FWD Euro 6 4dr (147 bhp)

£20,799

Fair price: within 8% of the typical £21,841 for this model, age and mileage, drawing on 1,429 adverts of this make and model.

Overview

Make: Audi
Model: A4
Trim: S LINE
Version: 2.0 TFSI S Line Auto FWD Euro 6 4dr (147 bhp)
Mileage: 25,329 miles
Year: 2023
Fuel type: Petrol
Body type: Saloon
Engine: 2.0 L
Gearbox: Automatic
Power: 147 bhp
Seats: 5
CO2: 154 g/km
Colour: Grey
Doors: 4
Driven wheels: Front Wheel Drive
Engine badge: TFSI
Emissions standard: Euro 6

About this car

This 2023 Audi A4 S Line has covered 25,329 miles, around 3,900 fewer than typical for its age. The dealer is asking £20,799, which is £1,042 below our market estimate of £21,841. Our estimate draws on 1,429 Audi A4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 47 days ago. It is advertised by John Peat Motors in Sleaford.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 3 September 2026, 47 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observed	Asking price
3 September 2026	£20,799
19 October 2026	£20,799

Price and mileage comparison

Estimated market asking price: £21,841. The asking price is £1,042 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 1,429 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,900 miles lower than typical for a 2023 Audi A4.

MOT

MOT no details held by dvla.

35 other cars with the same year, trim, gearbox and fuel are for sale from £14,700 to £23,498.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£14,700	80,600 miles
£15,690	74,567 miles
£16,500	60,000 miles
£17,983	43,057 miles
£17,989	26,638 miles

These cars have covered 8,994–80,600 miles, compared with 25,329 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 cars for sale · 2023 Audi A4 price guide

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Dealer

John Peat Motors, Sleaford. Across the dealer network: 61 cars for sale.

Dealer postcode: NG34 7EQ.