2021 Vauxhall Insignia 1.5 Turbo D SE NAV

Price: £7,995. Fair price: £367 (4%) over the AskCar estimate of £7,628, 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: 80,000 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 120 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 122 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Vauxhall Insignia SE Nav is advertised with 80,000 miles, approximately 27,100 above the typical mileage for its age. Priced at £7,995, it is advertised £367 above the AskCar estimate of £7,628. 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 car for sale 163 days ago. Our records show an MOT expiry date of 17 November 2025, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at GM Motoring World in Northolt. 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: £367 (4%) over 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 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £7,995. 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: the latest record we hold ran out on 17 November 2025; ask the dealer for the current MOT.

It failed its MOT on 8 November 2024 (supplementary restraint system warning lamp indicates a fault) and passed 6 days later, on 14 November 2024.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge wearing on the inside edge; supplementary restraint system warning lamp does not illuminate.

Mileage at that test: 72,695 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 £7,250 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, silver. Mileage: 80,000 miles. Price: £7,250, £745 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, black. Mileage: 63,500 miles. Price: £8,398, £403 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, £1,300 more than this car. Dealer: Poolfoot Car Centre in Fleetwood. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-12424490539c

Browse all Vauxhall Insignia cars for sale · 2021 Vauxhall Insignia price guide

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Photos

18 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.