2018 Audi S5

3.0 TFSI V6 Sportback Tiptronic 4WD Euro 6 (s/s) 5dr (349 bhp)

£25,000

Fair price: within 8% of the typical £23,934 for this model, age and mileage, drawing on 340 adverts of this make and model.

Overview

Make: Audi
Model: S5
Version: 3.0 TFSI V6 Sportback Tiptronic 4WD Euro 6 (s/s) 5dr (349 bhp)
Mileage: 51,000 miles
Year: 2018
Fuel type: Petrol
Body type: Hatchback
Engine: 3.0 L
Gearbox: Automatic
Power: 349 bhp
Seats: 4
CO2: 174 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: Tiptronic
Engine badge: TFSI V6
Emissions standard: Euro 6

About this car

This 2018 Audi S5 has covered 51,000 miles, around 16,100 fewer than typical for its age. The dealer is asking £25,000, which is £1,066 above our market estimate of £23,934. Our estimate draws on 340 Audi S5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 56 days. You can find this car at ENR Cars in Southwark.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 August 2026, 56 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observed	Asking price
25 August 2026	£25,000
19 October 2026	£25,000

Price and mileage comparison

Estimated market asking price: £23,934. The asking price is £1,066 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 340 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 16,100 miles lower than typical for a 2018 Audi S5.

55 other cars with the same year, trim, gearbox and fuel are for sale from £14,990 to £25,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£14,990	101,358 miles
£15,600	104,147 miles
£15,750	107,000 miles
£15,800	102,000 miles
£16,000	60,000 miles

These cars have covered 31,337–107,000 miles, compared with 51,000 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 S5 cars for sale · 2018 Audi S5 price guide

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Dealer

ENR Cars, Southwark. Across the dealer network: 8 cars for sale.

Dealer postcode: SE22 0JS.