2021 MG MG3

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

£7,499

Fair price: within 8% of the typical £7,859 for this model, age and mileage, drawing on 1,769 adverts of this make and model.

Overview

Make: MG
Model: MG3
Trim: EXCLUSIVE NAV
Version: 1.5 VTi Tech Exclusive NAV Manual FWD Euro 6 (s/s) 5dr (105 bhp)
Mileage: 36,668 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: White
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: VTi-TECH
Emissions standard: Euro 6

About this car

This 2021 MG MG3 Exclusive Nav has covered 36,668 miles, around 6,400 more than typical for its age. The dealer is asking £7,499, which is £360 below our market estimate of £7,859. Our estimate draws on 1,769 MG MG3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 25 days ago. Its recorded MOT is valid until 1 March 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Mayesbrook Autos in Barking.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 September 2026, 25 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observed	Asking price
25 September 2026	£7,499
19 October 2026	£7,499

Price and mileage comparison

Estimated market asking price: £7,859. The asking price is £360 below 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 1,769 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 6,400 miles higher than typical for a 2021 MG MG3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 1 March 2027. 36,452 miles at the last test.

30 other cars with the same year, trim, gearbox and fuel are for sale from £5,395 to £9,799.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£5,395	116,900 miles
£6,490	65,097 miles
£6,850	73,000 miles
£7,000	41,227 miles
£7,489	28,902 miles

These cars have covered 4,500–116,900 miles, compared with 36,668 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

Mayesbrook Autos, Barking. Across the dealer network: 59 cars for sale.

Dealer postcode: IG11 9PG.