2021 Vauxhall Astra 1.2 Turbo SRI NAV
Price: £9,990. Good value: £955 (8%) under the AskCar estimate of £10,945, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,837 priced Vauxhall Astra adverts on AskCar as of 5 November 2026.
AskCar lists 4,036 used Vauxhall Astra from 1,898 UK dealerships, as of 5 November 2026.
Overview
- Make: Vauxhall
- Model: Astra
- Trim: SRI NAV
- Version: 1.2 SRI NAV Manual FWD Euro 6 5dr (142 bhp)
- Year: 2021
- Mileage: 9,920 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.2 litres, 142 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 121 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Vauxhall Astra Sri Nav is advertised with 9,920 miles, approximately 31,700 below the typical mileage for its age. The AskCar estimate for this car is £10,945. It is priced at £9,990, which is £955 below that estimate. The AskCar estimate uses 3,837 UK dealer adverts for the Vauxhall Astra, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. Our records show an MOT expiry date of 27 May 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Manamanx in Reading. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Good value: £955 (8%) under the AskCar estimate of £10,945.
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 3,837 priced Vauxhall Astra adverts across different ages and specifications, as of 5 November 2026.
A 2021 Vauxhall Astra with the 1.2 petrol engine is typically advertised at £9,500: the median of the 94 for sale on AskCar, as of 5 November 2026.
Time on sale
AskCar first saw this 2021 Vauxhall Astra advertised today. About half of 2021 Vauxhall Astra cars are gone from sale within a month of being advertised: 99 of the 204 first advertised between 11 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £9,990. 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 5 November 2026: the latest record we hold ran out on 27 May 2026; ask the dealer for the current MOT.
It has had 2 MOTs. The latest, on 21 May 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 8,300 miles, which matches the advertised 9,920 miles.
Advertised mileage is about 31,700 miles lower than the median mileage of a 2021 Vauxhall Astra on AskCar.
Similar cars
1 other 2021 Vauxhall Astra SRI NAV 1.2 petrol manual hatchback is for sale at UK dealers, as of 5 November 2026.
The closest to this car in mileage:
- 2021 Vauxhall Astra SRI NAV, 1.2 petrol hatchback, red. Mileage: 7,690 miles. Price: £9,899, £91 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2021-71302d72cd6c
Browse all Vauxhall Astra cars for sale · 2021 Vauxhall Astra price guide
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Photos
18 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.