2021 MG MG3

1.5 VTi Tech Excite Manual FWD Euro 6 (s/s) 5dr (105 bhp)

£6,995

Above the going rate: £847 over the typical £6,148 for this model, age and mileage, drawing on 1,745 adverts of this make and model.

Overview

Make: MG
Model: MG3
Trim: EXCITE
Version: 1.5 VTi Tech Excite Manual FWD Euro 6 (s/s) 5dr (105 bhp)
Mileage: 72,943 miles
Year: 2021
Fuel type: Petrol
Body type: Hatchback
Engine: 1.5 L
Gearbox: Manual
Power: 105 bhp
Seats: 5
CO2: 147 g/km
Colour: Blue
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: VTi-TECH
Emissions standard: Euro 6

About this car

At 72,943 miles, this 2021 MG MG3 Excite has covered about 42,200 more miles than other 2021 MG MG3 cars. Its asking price of £6,995 is £847 above our estimate of £6,148. To estimate its market asking price, we analyse UK dealer adverts for 1,745 MG MG3 cars across different ages and specifications. We first recorded this car for sale 26 days ago. MOT records show an expiry date of 29 July 2027, and the latest recorded mileage is consistent with the advert. It is advertised by M T Cars in Whittlesey.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 September 2026, 26 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
25 September 2026	£6,995
20 October 2026	£6,995

Price and mileage comparison

Estimated market asking price: £6,148. The asking price is £847 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,745 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 42,200 miles higher than typical for a 2021 MG MG3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 July 2027. 72,944 miles at the last test.

6 other cars with the same year, trim, gearbox and fuel are for sale from £6,695 to £8,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£6,695	67,865 miles
£6,973	54,614 miles
£7,000	25,127 miles
£7,990	26,000 miles
£8,150	27,000 miles

These cars have covered 4,000–67,865 miles, compared with 72,943 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

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Dealer

M T Cars, Whittlesey. Across the dealer network: 45 cars for sale.

Dealer postcode: PE7 2AJ.