2021 Vauxhall Insignia 1.5 Turbo D SE NAV
Price: £9,295. Fair price: £38 (under 1%) under the AskCar estimate of £9,333, 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 Turbo D SE NAV Manual FWD Euro 6 (s/s) 5dr Grand Sport (120 bhp)
- Year: 2021
- Mileage: 57,000 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 120 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Black
- CO2: 122 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Vauxhall Insignia SE Nav has covered 57,000 miles. Priced at £9,295, it is advertised £38 below the AskCar estimate of £9,333. To work out the AskCar estimate, we analyse UK dealer adverts for 1,038 Vauxhall Insignia cars across different ages and specifications. We first recorded this advert 128 days ago, and its asking price has since fallen by £300. The last MOT shows 57,840 miles, more than the advert. This is worth checking with the dealer. The latest recorded MOT expires on 28 May 2027. It is for sale at Poolfoot Car Centre in Fleetwood. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £38 (under 1%) under the AskCar estimate of £9,333.
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
This 2021 Vauxhall Insignia has been on sale for at least 128 days.
Price history
AskCar first saw this advert on 2 July 2026 at £9,595. Its asking price is now £9,295, £300 less. The latest price cut was seen on 18 October 2026.
Price changes recorded:
- 3 July 2026: £9,595
- 6 September 2026: £9,450
- 16 September 2026: £9,420
- 18 October 2026: £9,295
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 28 May 2027.
It has had 3 MOTs. The latest, on 29 May 2026, passed.
Advisories at the latest test: windscreen damaged but not adversely affecting driver's view scratched; exhaust has a minor leak of exhaust gases frontpipe flexi section; exhaust frontpipe flexi section slightly damaged.
Mileage at that test: 57,840 miles. The advert says 57,000 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 4,100 miles higher than the median mileage of a 2021 Vauxhall Insignia on AskCar.
Similar cars
3 other 2021 Vauxhall Insignia SE NAV 1.5 diesel manual hatchbacks are for sale at UK dealers, from £7,250 to £8,398, as of 7 November 2026.
The 3 closest to this car in mileage:
- 2021 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, black. Mileage: 63,500 miles. Price: £8,398, £897 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-e175ecd08e35
- 2021 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, silver. Mileage: 80,000 miles. Price: £7,250, £2,045 less than this car. Dealer: Modus Motor Company in Knottingley. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-638b134e4ffe
- 2021 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, grey. Mileage: 80,000 miles. Price: £7,995, £1,300 less than this car. Dealer: GM Motoring World in Northolt. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-8533c92c68ad
Browse all Vauxhall Insignia cars for sale · 2021 Vauxhall Insignia price guide
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Photos
43 photos of this car are on its AskCar page.
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.