2018 Porsche 911

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

£79,990

Fair price: within 8% of the typical £83,351 for this model, age and mileage, drawing on 1,951 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
29,993 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
Black
Doors
2
Driven wheels
Four Wheel Drive
Gearbox version
PDK
Engine badge
991 4S
Emissions standard
Euro 6

About this car

This 2018 Porsche 911 991 4S has covered 29,993 miles, around 9,400 more than typical for its age. Our estimated market asking price is £83,351. This car is advertised at £79,990, which is £3,361 below that figure. Our estimate draws on 1,951 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 41 days ago, and its asking price has since fallen by £1,000. The latest MOT record shows an expiry date of 23 December 2026, with the advertised mileage consistent with the recorded reading. You can find this car at G C Motors in Harrogate.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 9 September 2026, 41 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,000 from the first recorded £80,990. 1 price reduction recorded, the latest observed on 30 September 2026.

Recorded asking prices
Date observedAsking price
9 September 2026£80,990
30 September 2026£79,990
19 October 2026£79,990

Price and mileage comparison

Estimated market asking price: £83,351. The asking price is £3,361 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 1,951 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,400 miles higher than typical for a 2018 Porsche 911.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 23 December 2026. 27,051 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 priceMileage
£70,00059,000 miles
£78,98035,000 miles
£81,49536,421 miles
£84,89027,099 miles
£84,99516,131 miles

These cars have covered 16,131–59,000 miles, compared with 29,993 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

G C Motors, Harrogate. Across the dealer network: 37 cars for sale.

Dealer postcode: HG1 2BX.

Dealer opening hours

Monday
08:00-18:30
Tuesday
08:00-18:30
Wednesday
08:00-18:30
Thursday
08:00-18:30
Friday
08:00-18:30
Saturday
08:30-17:30
Sunday
10:30-17:30

Vehicle photos