How much does a used MG MG3 cost? Prices, ratings and depreciation by model year
Model year	Price range*	Avg. Price	Median Mileage	Depreciation (12 mth.)	Cars for sale
2026 MG MG3	£14,206 - £21,095	£17,482	0 miles	+£500	236
2025 MG MG3	£13,252 - £21,095	£15,712	5,100 miles	-£800	152
2024 MG MG3	£7,710 - £21,095	£13,240	10,700 miles	-£4,120	105
2023 MG MG3	£7,862 - £12,991	£9,518	20,500 miles	-£3,500	78
2022 MG MG3	£6,999 - £12,990	£9,267	29,600 miles	-£2,380	81
2021 MG MG3	£6,872 - £11,915	£8,619	29,400 miles	-£2,540	35
2020 MG MG3	£6,800 - £11,596	£8,296	32,200 miles	-£1,760	35
2019 MG MG3	£5,499 - £8,495	£7,133	44,000 miles	-£1,280	61
2018 MG MG3	£3,694 - £7,999	£5,856	42,300 miles	-£1,680	29
2017 MG MG3	£2,891 - £5,600	£4,389	39,000 miles	-£580	17
2016 MG MG3	£2,495 - £4,999	£3,726	62,000 miles	-£540	25
2015 MG MG3	£2,000 - £4,699	£3,388	50,000 miles	-£680	21
2014 MG MG3	£2,175 - £4,435	£3,063	78,000 miles	-£780	13

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 25 July 2026

Comparison of MG MG3 variants and prices
Variant	Price range*	Avg. Price	Median Mileage	Depreciation (12 mth.)	Cars for sale
🏆 The most popular MG MG3 Trophy	£13,840 - £21,095	£16,830	2,600 miles	-£2,200	325
📈 The best value MG MG3 SE	£12,769 - £19,495	£15,716	0 miles	-£520	117
MG MG3 Exclusive	£6,590 - £10,824	£8,667	27,300 miles	-£1,540	215
💰 The budget choice MG MG3 Excite	£5,665 - £9,759	£7,894	32,400 miles	-£1,900	95

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 25 July 2026

The Excite is the cheapest entry point with an average price of £7,894.

There are the most Trophy for sale right now (325), which gives you the most options to choose from.

The SE has held its price stable with minimal loss in value over the past year (-£520).

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

MG MG3 in Ashford • 3 cars with AutoUncle Valuation