2023 Vauxhall Astra 1.2 Turbo GS

Overview

• Make: Vauxhall
• Model: Astra
• Trim: GS
• Version: 1.2 Turbo GS Auto FWD Euro 6 (s/s) 5dr (128 bhp)
• Year: 2023
• Mileage: 20,242 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.2 litres, 128 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Black
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2023 Vauxhall Astra GS is 20,242 miles. Priced at £15,700, it is advertised £1,161 above the AskCar estimate of £14,539. The AskCar estimate draws on 3,756 Vauxhall Astra adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Advance Vauxhall Watford, based in Watford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,161 (7%) over the AskCar estimate of £14,539.

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 3,756 priced Vauxhall Astra adverts across different ages and specifications, as of 8 November 2026.

A 2023 Vauxhall Astra with the 1.2 petrol engine is typically advertised at £14,400: the median of the 642 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2023 Vauxhall Astra advertised 1 day ago. About half of 2023 Vauxhall Astra cars are gone from sale within a month of being advertised: 539 of the 1,164 first advertised between 10 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £15,700. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 5 September 2027.

It failed its MOT on 21 August 2026 (front brake pad(s) less than 1.5 mm thick; offside front tyre tread depth below requirements of 1.6mm) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 19,736 miles, which matches the advertised 20,242 miles.

Advertised mileage is about 300 miles lower than the median mileage of a 2023 Vauxhall Astra on AskCar.

Similar cars

63 other 2023 Vauxhall Astra GS 1.2 petrol automatic hatchbacks are for sale at UK dealers, from £10,390 to £16,798, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, red. Mileage: 20,008 miles. Price: £14,320, £1,380 less than this car. Dealer: Evans Halshaw Vauxhall Gateshead in Gateshead. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-694281538ea7
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, blue. Mileage: 20,567 miles. Price: £15,499, £201 less than this car. Dealer: Lookers Vauxhall Ellesmere Port in Ellesmere Port. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-1b92ff8900fd
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, black. Mileage: 21,185 miles. Price: £14,695, £1,005 less than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-24844bb2a27c

• The nearest: 2023 Vauxhall Astra GS, 1.2 petrol hatchback, blue, 12 miles from this car. Mileage: 7,700 miles. Price: £13,095, £2,605 less than this car. Dealer: Car 4 U (LDN) in Harlesden. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-8b4b501a4de0