2023 Vauxhall Astra 1.2 Turbo GS

Overview

• Make: Vauxhall
• Model: Astra
• Trim: GS
• Version: 1.2 Turbo GS Manual FWD Euro 6 (s/s) 5dr (128 bhp)
• Year: 2023
• Mileage: 37,156 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.2 litres, 128 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 37,156 miles, this 2023 Vauxhall Astra GS has covered about 16,900 more miles than other 2023 Vauxhall Astra cars. The dealer is asking £13,450, which is £544 above the AskCar estimate of £12,906. To work out the AskCar estimate, we analyse UK dealer adverts for 3,809 Vauxhall Astra cars across different ages and specifications. This car was first seen in our listings data 28 days ago. The government's MOT record matches its advertised mileage. It is for sale at JC Halliday and Sons in Londonderry. 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: £544 (4%) over the AskCar estimate of £12,906.

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 28 days.

Price history

AskCar first saw this advert on 9 October 2026 at £13,450. 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 6 November 2026: valid until 1 March 2027.

It has had one MOT, on 19 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 31,417 miles, which matches the advertised 37,156 miles.

Advertised mileage is about 16,900 miles higher than the median mileage of a 2023 Vauxhall Astra on AskCar.

Similar cars

203 other 2023 Vauxhall Astra GS 1.2 petrol manual hatchbacks are for sale at UK dealers, from £9,275 to £17,000, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, white. Mileage: 37,371 miles. Price: £12,986, £464 less than this car. Dealer: Ramsey's Garage in Newton Aycliffe. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-2706d49ab62a
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, yellow. Mileage: 36,883 miles. Price: £12,660, £790 less than this car. Dealer: Evans Halshaw Ford East Kilbride in East Kilbride. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-ac73ed8f7c21
• 2023 Vauxhall Astra GS, 1.2 petrol hatchback, black. Mileage: 37,440 miles. Price: £12,998, £452 less than this car. Dealer: Arnold Clark Glasgow Garscube Road Vauxhall / Leapmotor in Glasgow. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-a4e9ce916d56

• The nearest: 2023 Vauxhall Astra GS, 1.2 petrol hatchback, black, 51 miles from this car. Mileage: 26,288 miles. Price: £13,499, the same price as this car. Dealer: Lookers Charles Hurst Usedirect Portadown in Portadown. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-92eb7523ce74