2018 Vauxhall Astra GTC

1.4 i Turbo SRI Manual FWD Euro 6 (s/s) 3dr (138 bhp)

£3,999

Fair price: within 8% of the typical £4,120 for this model, age and mileage, drawing on 213 adverts of this make and model.

Overview

Make
Vauxhall
Model
Astra GTC
Trim
SRI
Version
1.4 i Turbo SRI Manual FWD Euro 6 (s/s) 3dr (138 bhp)
Mileage
101,120 miles
Year
2018
Fuel type
Petrol
Body type
Coupe
Engine
1.4 L
Gearbox
Manual
Power
138 bhp
Seats
5
CO2
142 g/km
Colour
Black
Doors
3
Driven wheels
Front Wheel Drive
Engine badge
i Turbo
Emissions standard
Euro 6

About this car

At 101,120 miles, this 2018 Vauxhall Astra GTC Sri has covered about 63,300 more miles than other 2018 Vauxhall Astra GTC cars. The dealer is asking £3,999, which is £122 below our market estimate of £4,120. Our estimate draws on 213 Vauxhall Astra GTC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 38 days. Its recorded MOT is valid until 12 December 2026, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Carszo Car Supermarket in Luton.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 September 2026, 38 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observedAsking price
17 September 2026£3,650
19 September 2026£3,999
23 October 2026£3,999

Price and mileage comparison

Estimated market asking price: £4,120. The asking price is £122 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 213 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 63,300 miles higher than typical for a 2018 Vauxhall Astra GTC.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 12 December 2026. 87,751 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £5,995 to £5,995.

Other matching cars
Asking priceMileage
£5,99548,000 miles

These cars have covered 48,000 miles, compared with 101,120 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 Vauxhall Astra GTC cars for sale · 2018 Vauxhall Astra GTC price guide

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