2023 Vauxhall Astra 1.5 Turbo D GS Line

Price: £16,498. Fair price: £1,003 (6%) over the AskCar estimate of £15,495, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,756 priced Vauxhall Astra adverts on AskCar as of 8 November 2026.

AskCar lists 3,991 used Vauxhall Astra from 1,891 UK dealerships, as of 8 November 2026.

Overview

  • Make: Vauxhall
  • Model: Astra
  • Trim: GS Line
  • Version: 1.5 Turbo D GS Line Manual FWD Euro 6 5dr (128 bhp)
  • Year: 2023
  • Mileage: 18,026 miles
  • Fuel: Diesel
  • Body: Estate, 5 doors, 5 seats
  • Engine: 1.5 litres, 128 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 115 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 18,026 miles, this 2023 Vauxhall Astra GS Line has covered about 2,500 fewer miles than other 2023 Vauxhall Astra cars. The dealer is asking £16,498, which is £1,003 above the AskCar estimate of £15,495. To work out the AskCar estimate, we analyse UK dealer adverts for 3,756 Vauxhall Astra cars across different ages and specifications. Since we first spotted the advert 79 days ago, the asking price has dropped by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Kilmarnock Citroen Vanstore, based in Kilmarnock. 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: £1,003 (6%) over the AskCar estimate of £15,495.

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 1.5 diesel engine is typically advertised at £15,000: the median of the 54 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2023 Vauxhall Astra has been on sale for at least 79 days.

Price history

AskCar first saw this advert on 21 August 2026 at £17,498. Its asking price is now £16,498, £1,000 less. The latest price cut was seen on 21 September 2026.

Price changes recorded:

  • 21 August 2026: £17,498
  • 4 September 2026: £16,998
  • 21 September 2026: £16,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 19 August 2027.

It has had one MOT, on 20 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,032 miles, which matches the advertised 18,026 miles.

Advertised mileage is about 2,500 miles lower than the median mileage of a 2023 Vauxhall Astra on AskCar.

Similar cars

1 other 2023 Vauxhall Astra GS Line 1.5 diesel manual estate is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

  • 2023 Vauxhall Astra GS Line, 1.5 diesel estate, blue. Mileage: 5,540 miles. Price: £17,498, £1,000 more than this car. Dealer: Arnold Clark Chesterfield Motorstore / Vanstore in Chesterfield. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2023-3ce4fce0dd0a

Browse all Vauxhall Astra cars for sale · 2023 Vauxhall Astra price guide

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Photos

20 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.