2026 MG MG3

1.5 Trophy Auto 5dr HEV

£15,800

Fair price: within 8% of the typical £16,960 for this model, age and mileage, drawing on 1,769 adverts of this make and model.

Overview

Make: MG
Model: MG3
Trim: TROPHY
Version: 1.5 Trophy Auto 5dr HEV
Mileage: 5,624 miles
Year: 2026
Fuel type: Petrol Hybrid
Body type: Hatchback
Engine: 1.5 L
Gearbox: Automatic
CO2: 100 g/km
Colour: Blue
Doors: 5
Engine badge: TROPHY
Hybrid type: Full hybrid

About this car

This 2026 MG MG3 Trophy is advertised with 5,624 miles, approximately 5,600 above the typical mileage for its age. Its asking price of £15,800 is £1,160 below our estimate of £16,960. Our estimate draws on 1,769 MG MG3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 41 days ago. Its asking price has since fallen by £760. The seller is Evans Halshaw MG Grantham, based in Grantham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 9 September 2026, 41 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £760 from the first recorded £16,560. 5 price reductions recorded, the latest observed on 13 October 2026.

Recorded asking prices
Date observed	Asking price
9 September 2026	£16,560
23 September 2026	£16,400
30 September 2026	£16,240
2 October 2026	£16,160
7 October 2026	£15,900
13 October 2026	£15,800
19 October 2026	£15,800

Price and mileage comparison

Estimated market asking price: £16,960. The asking price is £1,160 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 5,600 miles higher than typical for a 2026 MG MG3.

MOT

MOT no details held by dvla.

413 other cars with the same year, trim, gearbox and fuel are for sale from £15,280 to £22,690.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£15,280	4,464 miles
£15,295	4,016 miles
£15,495	5,535 miles
£15,499	8,565 miles
£15,520	6,556 miles

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 · 2026 MG MG3 price guide

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Dealer

Evans Halshaw MG Grantham, Grantham. Across the dealer network: 84 branches, 10,599 cars for sale.

Dealer postcode: NG31 7UH.