2021 MG MG3 1.5 VTi-TECH Excite

Price: £6,695. Fair price: £372 (5%) over the AskCar estimate of £6,323, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,789 priced MG MG3 adverts on AskCar as of 4 November 2026.

AskCar lists 1,832 used MG MG3 from 663 UK dealerships, as of 4 November 2026.

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: 67,865 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 105 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 147 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 MG MG3 Excite is advertised with 67,865 miles, approximately 37,200 above the typical mileage for its age. Priced at £6,695, it is advertised £372 above the AskCar estimate of £6,323. To work out the AskCar estimate, we analyse UK dealer adverts for 1,789 MG MG3 cars across different ages and specifications. Since we first spotted the advert 88 days ago, the asking price has dropped by £800. We checked its advertised mileage against the government's MOT record, and they match. The seller is Breakspear Car Sales.co.uk, based in Ruislip. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £372 (5%) over the AskCar estimate of £6,323.

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 1,789 priced MG MG3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 MG MG3 with the 1.5 petrol engine is typically advertised at £8,000: the median of the 46 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 MG MG3 has been on sale for at least 88 days.

Price history

AskCar first saw this advert on 8 August 2026 at £7,495. Its asking price is now £6,695, £800 less. The latest price cut was seen on 19 August 2026.

Price changes recorded:

  • 8 August 2026: £7,495
  • 13 August 2026: £6,995
  • 19 August 2026: £6,695

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 July 2027.

It has had 4 MOTs. The latest, on 28 July 2026, passed.

Advisories at the latest test: rear tyre slightly damaged/cracking or perishing both sides; front tyre worn close to legal limit/worn on edge both sides.

Mileage at that test: 67,249 miles, which matches the advertised 67,865 miles.

Advertised mileage is about 37,200 miles higher 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 £8,990, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 MG MG3 Excite, 1.5 petrol hatchback, red. Mileage: 68,000 miles. Price: £6,495, £200 less than this car. Dealer: Rickmansworth Sports Cars (Watford) in Watford. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-db96db991c2f
  • 2021 MG MG3 Excite, 1.5 petrol hatchback, blue. Mileage: 72,943 miles. Price: £6,995, £300 more than this car. Dealer: M T Cars in Whittlesey. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-339ce2ee9a1f
  • 2021 MG MG3 Excite, 1.5 petrol hatchback, black. Mileage: 38,500 miles. Price: £6,949, £254 more than this car. Dealer: Motorama in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-c75513b793d4

Browse all MG MG3 cars for sale · 2021 MG MG3 price guide

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Photos

16 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.