2023 Vauxhall Astra GS Line prices

There are 30 used 2023 Vauxhall Astra GS Line cars for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £15,400 (the median: half cost less, half cost more). The cheapest is £11,999. The middle half are priced between £14,300 and £16,000. Median mileage: about 20,000 miles.

Dealers lowered the asking price on more than a quarter of 2023 Vauxhall Astra GS Line cars: 10 of the 30 in the 14 days to 10 November 2026.

2023 Vauxhall Astra GS Line prices by engine and mileage

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.2 petrol£15,200Too few for saleToo few for saleToo few for saleToo few for sale

Only 4 of the 2023 Vauxhall Astra GS Line cars for sale have the 1.5 diesel engine, too few to give a typical asking price.

Only 3 of the 2023 Vauxhall Astra GS Line cars for sale have the 1.6 plug-in hybrid engine, too few to give a typical asking price.

Typical asking prices are of 2023 Vauxhall Astra GS Line cars for sale on 10 November 2026, and are given only where at least 20 cars with a price are for sale.

2023 Vauxhall Astra GS Line against other years

A 2022 Vauxhall Astra GS Line car has a typical asking price of £13,400, as of 10 November 2026.

AskCar lists 3,949 used Vauxhall Astra across the UK, from 1,894 dealerships.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2023 Vauxhall Astra GS Line cars for sale now, page 1 of 2

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. All 30 cars listed here meet these rules. Page 2 lists every other 2023 Vauxhall Astra GS Line car, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 3,774 priced Vauxhall Astra adverts on AskCar as of 10 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2023 Vauxhall Astra GS Line.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

Best value 2023 Vauxhall Astra GS Line: priced furthest below the AskCar estimate

These 10 are priced 1% to 9% under their AskCar estimate. Their asking prices run from £13,995 to £17,137.

Cheapest 2023 Vauxhall Astra GS Line: the lowest asking prices

These 10 are priced £11,999 to £14,299. They have covered 13,359 to 56,143 miles.

Lowest-mileage 2023 Vauxhall Astra GS Line

These 10 have covered 1,120 to 13,359 miles. Their asking prices run from £14,299 to £17,498.

Recently reduced 2023 Vauxhall Astra GS Line: the biggest price reductions in the 14 days to 10 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 10 November 2026. Their reductions since AskCar first saw them run from £200 to £1,200.

Newly advertised 2023 Vauxhall Astra GS Line: first seen by AskCar in the 7 days to 10 November 2026

These 7 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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