2020 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: 2020
• Mileage: 69,993 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

At 69,993 miles, this 2020 Vauxhall Insignia SE Nav has covered about 9,400 more miles than other 2020 Vauxhall Insignia cars. Priced at £6,423, it is advertised £1,164 below the AskCar estimate of £7,587. The AskCar estimate uses UK dealer asking prices, including 1,032 Vauxhall Insignia adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 80 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at GK Motors in Mansfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £1,164 (15%) under the AskCar estimate of £7,587.

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 1,032 priced Vauxhall Insignia adverts across different ages and specifications, as of 6 November 2026.

A 2020 Vauxhall Insignia with the 1.5 diesel engine is typically advertised at £9,000: the median of the 20 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 Vauxhall Insignia has been on sale for at least 80 days.

Price history

AskCar first saw this advert on 18 August 2026 at £6,423. 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 6 November 2026: valid until 30 November 2026.

It failed its MOT on 1 December 2025 (front service brake excessively fluctuating) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 65,809 miles, which matches the advertised 69,993 miles.

Advertised mileage is about 9,400 miles higher 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 £7,500 to £11,800, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, grey. Mileage: 74,000 miles. Price: £7,500, £1,077 more than this car. Dealer: Breckland Vehicle Specialists in Brandon. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2020-26598c76ffac
• 2020 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, grey. Mileage: 63,000 miles. Price: £8,000, £1,577 more than this car. Dealer: Breckland Vehicle Specialists in Brandon. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2020-ae82662d51ae
• 2020 Vauxhall Insignia SE NAV, 1.5 diesel hatchback, grey. Mileage: 56,000 miles. Price: £7,990, £1,567 more 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, 37 miles from this car. Mileage: 26,781 miles. Price: £9,400, £2,977 more than this car. Dealer: Big Car World - Braunstone in Leicester. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2020-230e953d0433