2021 Vauxhall Insignia 1.5 Turbo D SE NAV
Price: £9,999. Good value: £972 (8%) under the AskCar estimate of £10,971, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,038 priced Vauxhall Insignia adverts on AskCar as of 7 November 2026.
AskCar lists 1,128 used Vauxhall Insignia from 765 UK dealerships, as of 7 November 2026.
Overview
- Make: Vauxhall
- Model: Insignia
- Trim: SE NAV
- Version: 1.5 SE NAV Manual FWD Euro 6 5dr Turbo D (120 bhp)
- Year: 2021
- Mileage: 38,266 miles
- Fuel: Diesel
- Body: Saloon, 5 doors, 5 seats
- Engine: 1.5 litres, 120 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: White
- CO2: 121 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Vauxhall Insignia SE Nav is advertised with 38,266 miles, approximately 14,600 below the typical mileage for its age. Priced at £9,999, it is advertised £972 below the AskCar estimate of £10,971. The AskCar estimate uses 1,038 UK dealer adverts for the Vauxhall Insignia, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Available Car Supermarket - Sutton-In-Ashfield, based in Sutton-in-Ashfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Good value: £972 (8%) under the AskCar estimate of £10,971.
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 1,038 priced Vauxhall Insignia adverts across different ages and specifications, as of 7 November 2026.
A 2021 Vauxhall Insignia with the 1.5 diesel engine is typically advertised at £9,700: the median of the 28 for sale on AskCar, as of 7 November 2026.
Time on sale
AskCar first saw this 2021 Vauxhall Insignia advertised 1 day ago.
Price history
AskCar first saw this advert on 6 November 2026 at £9,999. 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 7 November 2026: valid until 29 July 2027.
It has had 4 MOTs. The latest, on 15 July 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 34,899 miles, which matches the advertised 38,266 miles.
Advertised mileage is about 14,600 miles lower than the median mileage of a 2021 Vauxhall Insignia on AskCar.
Similar cars
2 other 2021 Vauxhall Insignia SE NAV 1.5 diesel manual saloons are for sale at UK dealers, from £7,995 to £10,395, as of 7 November 2026.
The 2 closest to this car in mileage:
- 2021 Vauxhall Insignia SE NAV, 1.5 diesel saloon, black. Mileage: 31,108 miles. Price: £10,395, £396 more than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-14755e41f691
- 2021 Vauxhall Insignia SE NAV, 1.5 diesel saloon, blue. Mileage: 107,000 miles. Price: £7,995, £2,004 less than this car. Dealer: The Motoring Point in Willerby and Anlaby. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-a5c868e40cc2
Browse all Vauxhall Insignia cars for sale · 2021 Vauxhall Insignia price guide
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As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.