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	£14,490 - £21,095	£17,552	0 miles	+£420	238
2025 MG MG3	£12,824 - £21,095	£15,686	5,000 miles	-£1,600	147
2024 MG MG3	£8,144 - £21,095	£13,317	9,700 miles	-£4,180	104
2023 MG MG3	£7,945 - £13,087	£9,658	19,800 miles	-£3,520	72
2022 MG MG3	£6,773 - £12,990	£9,291	30,900 miles	-£2,500	77
2021 MG MG3	£6,695 - £11,950	£8,832	29,000 miles	-£2,800	41
2020 MG MG3	£6,544 - £10,595	£7,981	38,300 miles	-£1,740	29
2019 MG MG3	£5,498 - £8,555	£7,136	46,000 miles	-£1,320	57
2018 MG MG3	£3,720 - £7,999	£5,946	42,000 miles	-£1,700	30
2017 MG MG3	£2,495 - £5,874	£4,372	42,700 miles	-£420	18
2016 MG MG3	£2,300 - £4,987	£3,538	67,300 miles	-£560	22
2015 MG MG3	£2,000 - £4,599	£3,462	49,700 miles	-£460	21
2014 MG MG3	£1,997 - £4,195	£2,939	78,000 miles	-£620	11

*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: 1 August 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	£13,992 - £21,095	£16,984	2,800 miles	-£2,040	305
📈 The best value MG MG3 SE	£12,681 - £19,495	£15,744	0 miles	-£200	133
MG MG3 Exclusive	£6,451 - £10,864	£8,593	28,500 miles	-£1,380	210
💰 The budget choice MG MG3 Excite	£5,600 - £9,960	£7,941	31,800 miles	-£1,560	82

*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: 1 August 2026

The Excite is the cheapest entry point with an average price of £7,941.

There are the most Trophy for sale right now (305), 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 (-£200).

Price checked by AutoUncle

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MG MG3 in Rottingdean • 1 cars with AutoUncle Valuation