2021 Vauxhall Astra prices

There are 130 used 2021 Vauxhall Astra cars for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £8,900 (the median: half cost less, half cost more). The cheapest is £4,495. The middle half are priced between £7,500 and £10,000. Median mileage: about 41,000 miles.

Dealers lowered the asking price on more than a third of 2021 Vauxhall Astra cars: 46 of the 130 in the 14 days to 8 November 2026.

2021 Vauxhall Astra prices by engine and mileage

A 2021 Vauxhall Astra 1.2 petrol car typically costs £9,400, against £7,300 for the 1.5 diesel, as of 8 November 2026.

A 2021 Vauxhall Astra 1.2 petrol car with 20,000 to 40,000 miles typically costs £9,800, against £8,300 with 40,000 to 60,000 miles.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.2 petrol£9,400Too few for sale£9,800£8,300Too few for sale
1.5 diesel£7,300Too few for saleToo few for saleToo few for sale£6,500

Only 4 of the 2021 Vauxhall Astra cars for sale have the 1.4 petrol engine, too few to give a typical asking price.

2021 Vauxhall Astra prices by trim

TrimTypical asking price, 2021 cars
Griffin Edition£9,600
SRI£8,400
Business Edition NAV£7,300
SRI NAVToo few for sale
SEToo few for sale
Elite NAVToo few for sale

Only 11 of the 2021 Vauxhall Astra cars for sale are SRI NAV, too few to give a typical asking price.

Only 8 of the 2021 Vauxhall Astra cars for sale are SE, too few to give a typical asking price.

Only 1 of the 2021 Vauxhall Astra cars for sale are Elite NAV, too few to give a typical asking price.

Typical asking prices are of 2021 Vauxhall Astra cars for sale on 8 November 2026, and are given only where at least 20 cars with a price are for sale.

2021 Vauxhall Astra against other years

A 2020 Vauxhall Astra car has a typical asking price of £8,000 and a 2022 one £12,700, as of 8 November 2026.

AskCar lists 3,991 used Vauxhall Astra across the UK, from 1,891 dealerships.

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.

2021 Vauxhall Astra cars for sale now, page 1 of 3

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. 118 of the 125 cars listed here meet these rules. Pages 2 to 3 list every other 2021 Vauxhall Astra car, cheapest first, including the 7 the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 3,756 priced Vauxhall Astra adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 Vauxhall Astra.

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.

This list leaves out 5 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value 2021 Vauxhall Astra: priced furthest below the AskCar estimate

These 10 are priced 7% to 15% under their AskCar estimate. Their asking prices run from £4,495 to £10,490.

Cheapest 2021 Vauxhall Astra: the lowest asking prices

These 10 are priced £4,495 to £6,490. They have covered 68,625 to 112,020 miles.

Lowest-mileage 2021 Vauxhall Astra

These 10 have covered 2,500 to 16,550 miles. Their asking prices run from £9,990 to £16,600.

Recently reduced 2021 Vauxhall Astra: the biggest price reductions in the 14 days to 8 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 8 November 2026. Their reductions since AskCar first saw them run from £1,100 to £2,200.

Newly advertised 2021 Vauxhall Astra: first seen by AskCar in the 7 days to 8 November 2026

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

Vauxhall Astra by gearbox, fuel and body

Vauxhall Astra prices by year

Vauxhall Astra by trim

2021 Vauxhall Astra by price

2021 Vauxhall Astra by trim

Vauxhall Astra by price

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