How much does a used BMW 840 cost? Prices, ratings and depreciation by model year
Model year	Price range*	Avg. Price	Median Mileage	Depreciation (12 mth.)	Cars for sale
2025 BMW 840	£47,000 - £59,775	£51,955	4,000 miles	-£19,060	17
2024 BMW 840	£42,495 - £56,747	£47,919	9,100 miles	-£26,020	11
2023 BMW 840	£35,050 - £44,725	£39,491	23,800 miles	-£6,600	43
2022 BMW 840	£33,995 - £42,097	£37,407	28,400 miles	-£3,520	45
2021 BMW 840	£27,039 - £40,809	£32,258	46,900 miles	-£2,560	34
2020 BMW 840	£26,370 - £38,415	£30,671	52,500 miles	-£2,020	26
2019 BMW 840	£27,094 - £35,749	£30,495	50,800 miles	-£2,480	24
2018 BMW 840	£24,992 - £29,896	£27,296	68,500 miles	-	< 10

*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: 24 June 2026

Comparison of BMW 840 variants and prices
Variant	Price range*	Avg. Price	Median Mileage	Depreciation (12 mth.)	Cars for sale
🏆 The most popular BMW 840 M Sport	£27,494 - £52,000	£39,018	23,800 miles	-£8,000	137
📈 The best value BMW 840 Comfort Edition	£26,952 - £40,284	£32,413	43,900 miles	-£1,900	63
💰 The budget choice BMW 840 Shadowline	£28,045 - £28,905	£28,480	56,000 miles	-	< 10

*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: 24 June 2026

The Shadowline is the cheapest entry point with an average price of £28,480.

Accuracy will improve as more cars from this variant become available

There are the most M Sport for sale right now (137), which gives you the most options to choose from.

The Comfort Edition has held its price stable with minimal loss in value over the past year (-£1,900).

Price checked by AutoUncle

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BMW 840 in Middlesbrough • 2 cars with AutoUncle Valuation