2021 Vauxhall Insignia 1.5 Turbo D SRI NAV

Overview

• Make: Vauxhall
• Model: Insignia
• Trim: SRI NAV
• Version: 1.5 Turbo D SRI NAV Manual FWD Euro 6 (s/s) 5dr Grand Sport (120 bhp)
• Year: 2021
• Mileage: 99,000 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

The advertised mileage for this 2021 Vauxhall Insignia Sri Nav is 99,000 miles. Its asking price of £5,995 is £619 below the AskCar estimate of £6,614. To work out the AskCar estimate, we analyse UK dealer adverts for 1,021 Vauxhall Insignia cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 45 days ago. Ask the dealer why the advert shows fewer miles than the 99,625 recorded at the latest MOT. The latest recorded MOT expires on 21 September 2027. You can find this car at C And A Motors in Rochdale. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Good value: £619 (9%) under the AskCar estimate of £6,614.

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 1,021 priced Vauxhall Insignia adverts across different ages and specifications, as of 9 November 2026.

A 2021 Vauxhall Insignia with the 1.5 diesel engine is typically advertised at £10,000: the median of the 27 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2021 Vauxhall Insignia has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 25 September 2026 at £6,495. Its asking price is now £5,995, £500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 25 September 2026: £6,495
• 9 October 2026: £6,995
• 31 October 2026: £5,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 21 September 2027.

It has had 4 MOTs. The latest, on 22 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 99,625 miles. The advert says 99,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 46,600 miles higher than the median mileage of a 2021 Vauxhall Insignia on AskCar.

Similar cars

3 other 2021 Vauxhall Insignia SRI NAV 1.5 diesel manual hatchbacks are for sale at UK dealers, from £5,679 to £11,495, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2021 Vauxhall Insignia SRI NAV, 1.5 diesel hatchback, black. Mileage: 122,950 miles. Price: £5,679, £316 less than this car. Dealer: Vincent Cars in Peterborough. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-41cea24a90e0
• 2021 Vauxhall Insignia SRI NAV, 1.5 diesel hatchback, grey. Mileage: 52,000 miles. Price: £11,000, £5,005 more than this car. Dealer: KB Motors in Fradley. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-a33391213e74
• 2021 Vauxhall Insignia SRI NAV, 1.5 diesel hatchback, grey. Mileage: 37,302 miles. Price: £11,495, £5,500 more than this car. Dealer: Whoop Cars in Darton. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-482b953154f7