2020 Vauxhall Insignia 1.5 Turbo D SE NAV

Price: £10,995. Above the going rate: £1,441 (15%) over the AskCar estimate of £9,554, 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: 2020
  • Mileage: 40,000 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

With 40,000 miles on the clock, this 2020 Vauxhall Insignia SE Nav has done roughly 18,200 fewer miles than a typical 2020 Vauxhall Insignia. Its asking price of £10,995 is £1,441 above the AskCar estimate of £9,554. 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. Its advertised mileage matches the government's MOT record. You can find this car at Forsyth Street Cars in Airdrie. 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

Above the going rate: £1,441 (15%) over the AskCar estimate of £9,554.

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 2020 Vauxhall Insignia with the 1.5 diesel engine is typically advertised at £9,000: the median of the 21 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Vauxhall Insignia has been on sale for at least 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £10,995. 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: valid until 31 March 2027.

It failed its MOT on 27 March 2026 (central front exhaust has a major leak of exhaust gases flexi) and passed 5 days later, on 1 April 2026.

There were no advisories at the latest test.

Mileage at that test: 40,220 miles, which matches the advertised 40,000 miles.

Advertised mileage is about 18,200 miles lower than the median mileage of a 2020 Vauxhall Insignia on AskCar.

Similar cars

8 other 2020 Vauxhall Insignia SE NAV 1.5 diesel manual hatchbacks are for sale at UK dealers, from £6,423 to £11,300, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2020 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, grey. Mileage: 47,500 miles. Price: £9,250, £1,745 less than this car. Dealer: Vulcan Motor Company in Norwich. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2020-110a4278efd2
  • 2020 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, grey. Mileage: 26,781 miles. Price: £9,400, £1,595 less than this car. Dealer: Big Car World - Braunstone in Leicester. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2020-230e953d0433
  • 2020 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, grey. Mileage: 56,000 miles. Price: £7,990, £3,005 less than this car. Dealer: The Value Car Centre in Norwich. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2020-8ac8eb673361
  • The nearest: 2020 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, grey, 157 miles from this car. Mileage: 10,000 miles. Price: £8,900, £2,095 less than this car. Dealer: North West Autos Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2020-cc94ac339933

Browse all Vauxhall Insignia cars for sale · 2020 Vauxhall Insignia price guide

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Photos

16 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.