2021 Vauxhall Insignia 1.5 Turbo D SE NAV

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: 80,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 120 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 122 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 80,000 miles, this 2021 Vauxhall Insignia SE Nav has covered about 27,100 more miles than other 2021 Vauxhall Insignia cars. The AskCar estimate for this car is £7,628. It is priced at £7,250, which is £378 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,038 Vauxhall Insignia adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 112 days ago, the asking price has dropped by £550. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Modus Motor Company in Knottingley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £378 (4%) under the AskCar estimate of £7,628.

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 112 days.

Price history

AskCar first saw this advert on 18 July 2026 at £7,800. Its asking price is now £7,250, £550 less. The latest price cut was seen on 29 September 2026.

Price changes recorded:

• 18 July 2026: £7,800
• 5 August 2026: £7,650
• 20 August 2026: £7,500
• 29 August 2026: £7,450
• 29 September 2026: £7,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 13 April 2027.

It failed its MOT on 10 April 2026 (offside front tyre tread depth below requirements of 1.6mm; nearside front lower suspension arm ball joint dust cover no longer prevents the ingress of dirt; offside front lower suspension arm ball joint dust cover no longer prevents the ingress of dirt; and 1 more) and passed 4 days later, on 14 April 2026.

Advisories at the latest test: oil leak, but not excessive.

Mileage at that test: 74,765 miles, which matches the advertised 80,000 miles.

Advertised mileage is about 27,100 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 £7,995 to £9,295, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, grey. Mileage: 80,000 miles. Price: £7,995, £745 more than this car. Dealer: GM Motoring World in Northolt. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-8533c92c68ad
• 2021 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, black. Mileage: 63,500 miles. Price: £8,398, £1,148 more 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, black. Mileage: 57,000 miles. Price: £9,295, £2,045 more than this car. Dealer: Poolfoot Car Centre in Fleetwood. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-12424490539c