2018 Porsche 911

3.0 T 991 4S PDK 4WD Euro 6 (s/s) 2dr Targa (414 bhp)

£84,890

Fair price: within 8% of the typical £84,686 for this model, age and mileage, drawing on 1,942 adverts of this make and model.

Overview

Make: Porsche
Model: 911
Trim: 991 4S
Version: 3.0 T 991 4S PDK 4WD Euro 6 (s/s) 2dr Targa (414 bhp)
Mileage: 27,099 miles
Year: 2018
Fuel type: Petrol
Body type: Convertible
Engine: 3.0 L
Gearbox: Automatic
Power: 414 bhp
Seats: 4
CO2: 184 g/km
Colour: Red
Doors: 2
Driven wheels: Four Wheel Drive
Gearbox version: PDK
Engine badge: 991 4S
Emissions standard: Euro 6

About this car

With 27,099 miles on the clock, this 2018 Porsche 911 991 4S has done roughly 6,100 more miles than a typical 2018 Porsche 911. At £84,890, it is advertised £204 above our estimated market asking price of £84,686. We use UK dealer asking prices, including 1,942 Porsche 911 listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 39 days ago, the asking price has dropped by £1,110. MOT records show an expiry date of 31 May 2027, and the latest recorded mileage is consistent with the advert. The seller is Stratstone Porsche Centre Wilmslow, based in Wilmslow.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 12 September 2026, 39 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,110 from the first recorded £86,000. 2 price reductions recorded, the latest observed on 7 October 2026.

Recorded asking prices
Date observed	Asking price
12 September 2026	£86,000
17 September 2026	£85,500
7 October 2026	£84,890
20 October 2026	£84,890

Price and mileage comparison

Estimated market asking price: £84,686. The asking price is £204 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 1,942 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 6,100 miles higher than typical for a 2018 Porsche 911.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 31 May 2027. 26,845 miles at the last test.

6 other cars with the same year, trim, gearbox and fuel are for sale from £70,000 to £88,850.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£70,000	59,000 miles
£78,980	35,000 miles
£79,990	29,993 miles
£81,495	36,421 miles
£84,995	16,131 miles

These cars have covered 16,131–59,000 miles, compared with 27,099 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 Porsche 911 cars for sale · 2018 Porsche 911 price guide

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Dealer

Stratstone Porsche Centre Wilmslow, Wilmslow. Across the dealer network: 69 branches, 4,825 cars for sale.

Dealer postcode: SK9 3HW.