2018 Vauxhall Astra GTC 1.4 i Turbo SRI

Overview

• Make: Vauxhall
• Model: Astra GTC
• Trim: SRI
• Version: 1.4 i Turbo SRI Manual FWD Euro 6 (s/s) 3dr (138 bhp)
• Year: 2018
• Mileage: 101,120 miles
• Fuel: Petrol
• Body: Coupe, 3 doors, 5 seats
• Engine: 1.4 litres, 138 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Astra GTC Sri is advertised with 101,120 miles on the clock. Priced at £3,999, it is advertised £2 below the AskCar estimate of £4,001. The AskCar estimate uses 233 UK dealer adverts for the Vauxhall Astra GTC, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 51 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Carszo Car Supermarket in Luton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £2 (under 1%) under the AskCar estimate of £4,001.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 233 priced Vauxhall Astra GTC adverts across different ages and specifications, as of 7 November 2026.

Time on sale

This 2018 Vauxhall Astra GTC has been on sale for at least 51 days.

Price history

AskCar first saw this advert on 17 September 2026 at £3,650. Its asking price is now £3,999, £349 more.

Price changes recorded:

• 17 September 2026: £3,650
• 19 September 2026: £3,999
• 26 October 2026: £4,299
• 27 October 2026: £3,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 12 December 2026.

It has had 8 MOTs. The latest, on 25 November 2025, passed.

Advisories at the latest test: tyre slightly damaged/cracking or perishing all 4 outer side wall damage; offside front inner tyre worn close to legal limit/worn on edge; rear inner tyre worn close to legal limit/worn on edge both sides.

Mileage at that test: 87,751 miles, which matches the advertised 101,120 miles.

Similar cars

1 other 2018 Vauxhall Astra GTC SRI 1.4 petrol manual coupe is for sale at UK dealers, as of 7 November 2026.

The closest to this car in mileage:

• 2018 Vauxhall Astra GTC SRI, 1.4 petrol coupe, black. Mileage: 48,000 miles. Price: £5,995, £1,996 more than this car. Dealer: Cars4You - Edinburgh West in Edinburgh. AskCar page: https://askcar.co.uk/car/vauxhall-astra-gtc-2018-c7c29f3b646c