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 Sports Tourer (128 bhp)
• Year: 2023
• Mileage: 20,212 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.2 litres, 128 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2023 Vauxhall Astra GS is 20,212 miles. Priced at £14,180, it is advertised £531 below the AskCar estimate of £14,711. The AskCar estimate uses 3,809 UK dealer adverts for the Vauxhall Astra, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 20 days ago. Its asking price has since fallen by £70. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw MG Grantham, based in Grantham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £531 (3%) under the AskCar estimate of £14,711.

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 3,809 priced Vauxhall Astra adverts across different ages and specifications, as of 6 November 2026.

A 2023 Vauxhall Astra with the 1.2 petrol engine is typically advertised at £14,400: the median of the 657 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 Vauxhall Astra has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 17 October 2026 at £14,250. Its asking price is now £14,180, £70 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 17 October 2026: £14,250
• 21 October 2026: £14,180

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 15 July 2027.

It has had one MOT, on 16 July 2026, and passed.

Advisories at the latest test: nearside front outer tyre has a cut but not deep enough to reach the ply or cords sidewall.

Mileage at that test: 18,880 miles, which matches the advertised 20,212 miles.

Advertised mileage is about 100 miles lower than the median mileage of a 2023 Vauxhall Astra on AskCar.

Similar cars

69 other 2023 Vauxhall Astra GS 1.2 petrol automatic estates are for sale at UK dealers, from £11,188 to £16,998, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2023 Vauxhall Astra GS, 1.2 petrol estate, red. Mileage: 20,335 miles. Price: £14,099, £81 less than this car. Dealer: Thurlow Nunn Wisbech in Wisbech. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-d29b9f337688
• 2023 Vauxhall Astra GS, 1.2 petrol estate, grey. Mileage: 20,500 miles. Price: £15,499, £1,319 more than this car. Dealer: Sherwoods Suzuki Gateshead in Gateshead. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-1d868ae576fa
• 2023 Vauxhall Astra GS, 1.2 petrol estate, blue. Mileage: 20,998 miles. Price: £14,190, the same price as this car. Dealer: Evans Halshaw Ford Merthyr Tydfil in Merthyr Tydfil. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-9eda48a3b8af

• The nearest: 2023 Vauxhall Astra GS, 1.2 petrol estate, blue, 22 miles from this car. Mileage: 17,979 miles. Price: £14,500, £320 more than this car. Dealer: Pentagon Lincoln Used Car Centre in Lincoln. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-610a73e41e1e