2021 MG MG3 1.5 VTi-TECH Excite

Overview

• Make: MG
• Model: MG3
• Trim: Excite
• Version: 1.5 VTi Tech Excite Manual FWD Euro 6 (s/s) 5dr (105 bhp)
• Year: 2021
• Mileage: 4,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 105 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 MG MG3 Excite has covered 4,000 miles, around 26,300 fewer miles than is typical for its age. The AskCar estimate for this car is £9,238. It is priced at £8,990, which is £248 below that estimate. The AskCar estimate uses 1,733 UK dealer adverts for the MG MG3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 90 days ago. Its asking price has since fallen by £500. The latest recorded MOT expires on 19 March 2027. You can find this car at Mawsley Motor Company in Northampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £248 (2%) under the AskCar estimate of £9,238.

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 1,733 priced MG MG3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 MG MG3 with the 1.5 petrol engine is typically advertised at £8,000: the median of the 45 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 MG MG3 has been on sale for at least 90 days.

Price history

AskCar first saw this advert on 4 August 2026 at £9,490. Its asking price is now £8,990, £500 less. The latest price cut was seen on 3 September 2026.

Price changes recorded:

• 4 August 2026: £9,490
• 22 August 2026: £9,349
• 3 September 2026: £8,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 March 2027.

It has had 4 MOTs. The latest, on 20 March 2026, passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged/cracking or perishing.

Advertised mileage is about 26,300 miles lower than the median mileage of a 2021 MG MG3 on AskCar.

Similar cars

8 other 2021 MG MG3 Excite 1.5 petrol manual hatchbacks are for sale at UK dealers, from £6,495 to £8,150, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 MG MG3 Excite, 1.5 petrol hatchback, yellow. Mileage: 25,127 miles. Price: £7,000, £1,990 less than this car. Dealer: Top Right Cars in Sunderland. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-2f666013fb31
• 2021 MG MG3 Excite, 1.5 petrol hatchback, blue. Mileage: 26,000 miles. Price: £7,990, £1,000 less than this car. Dealer: Vic Young (South Shields) in South Shields. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-b464c840c0a8
• 2021 MG MG3 Excite, 1.5 petrol hatchback, red. Mileage: 27,000 miles. Price: £8,150, £840 less than this car. Dealer: Deals in Wheels Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-222979746b84

• The nearest: 2021 MG MG3 Excite, 1.5 petrol hatchback, blue, 34 miles from this car. Mileage: 72,943 miles. Price: £6,995, £1,995 less than this car. Dealer: M T Cars in Whittlesey. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-339ce2ee9a1f