2021 Vauxhall Insignia 1.5 Turbo D SE NAV

Price: £10,395. Good value: £1,158 (10%) under the AskCar estimate of £11,553, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,021 priced Vauxhall Insignia adverts on AskCar as of 9 November 2026.

AskCar lists 1,105 used Vauxhall Insignia from 749 UK dealerships, as of 9 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: 31,108 miles
  • Fuel: Diesel
  • Body: Saloon, 5 doors, 5 seats
  • Engine: 1.5 litres, 120 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 121 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 31,108 miles on the clock, this 2021 Vauxhall Insignia SE Nav has done roughly 21,300 fewer miles than a typical 2021 Vauxhall Insignia. The AskCar estimate for this car is £11,553. It is priced at £10,395, which is £1,158 below that estimate. The AskCar estimate uses 1,021 UK dealer adverts for the Vauxhall Insignia, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 165 days ago, and its asking price has since fallen by £1,500. The latest recorded MOT expiry date is 7 November 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at Motor Range Liverpool in Bootle. 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: £1,158 (10%) under the AskCar estimate of £11,553.

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 165 days.

Price history

AskCar first saw this advert on 28 May 2026 at £11,895. Its asking price is now £10,395, £1,500 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 28 May 2026: £11,895
  • 13 August 2026: £11,395
  • 20 August 2026: £11,195
  • 17 September 2026: £10,895
  • 23 October 2026: £10,695
  • 5 November 2026: £10,395

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: the latest record we hold ran out on 7 November 2026; ask the dealer for the current MOT.

It failed its MOT on 17 October 2025 (nearside rear brake disc significantly and obviously worn; offside rear brake disc significantly and obviously worn; nearside rear brake pad(s) less than 1.5 mm thick metal to metal; and 2 more) and passed 3 days later, on 20 October 2025.

There were no advisories at the latest test.

Mileage at that test: 30,126 miles, which matches the advertised 31,108 miles.

Advertised mileage is about 21,300 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 £9,999, as of 9 November 2026.

The 2 closest to this car in mileage:

  • 2021 Vauxhall Insignia SE NAV, 1.5 diesel saloon, white. Mileage: 38,266 miles. Price: £9,999, £396 less than this car. Dealer: Available Car Supermarket - Sutton-In-Ashfield in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2021-6c14be7dcb43
  • 2021 Vauxhall Insignia SE NAV, 1.5 diesel saloon, blue. Mileage: 107,000 miles. Price: £7,995, £2,400 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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Photos

35 photos of this car are on its AskCar page.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.