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	£40,561 - £62,725	£49,888	4,200 miles	-£19,960	12
2024 BMW 840	£41,350 - £57,346	£47,702	9,100 miles	-£18,440	11
2023 BMW 840	£33,292 - £43,845	£38,227	23,700 miles	-£7,960	36
2022 BMW 840	£31,301 - £42,145	£36,657	30,000 miles	-£2,640	38
2021 BMW 840	£26,889 - £38,938	£32,948	46,900 miles	-£2,280	33
2019 BMW 840	£25,140 - £35,429	£29,516	50,800 miles	-£2,340	27
2020 BMW 840	£24,847 - £36,023	£29,501	52,500 miles	-£3,460	34
2018 BMW 840	£22,705 - £29,998	£26,180	83,800 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: 21 July 2026

Comparison of BMW 840 variants and prices

Below you can compare prices and depreciation for the 6 most popular BMW 840 variants. The table is updated daily with data from the market in United Kingdom.

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	£27,341 - £52,840	£38,482	25,900 miles	-£7,440	117
📈 The best value BMW 840 Comfort Edition	£25,990 - £38,713	£31,299	48,100 miles	-£2,620	62
BMW 840 Sport Line	£20,995 - £37,974	£28,645	50,000 miles	-	< 10
BMW 840 Shadowline	£27,145 - £28,473	£27,959	61,500 miles	-	< 10
BMW 840 Luxury Line	£25,140 - £27,840	£26,490	84,200 miles	-	< 10
💰 The budget choice BMW 840 M Performance	£23,239 - £28,639	£25,822	62,500 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: 21 July 2026

Which variant should you choose?

💰 The budget choice

The M Performance is the cheapest entry point with an average price of £25,822.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most M Sport for sale right now (117), which gives you the most options to choose from.

📈 The best value

The Comfort Edition has held its price stable with minimal loss in value over the past year (-£2,620).

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

See BMW 840

BMW 840 (213)

Price Information

BMW 840

Price rating	Average price
Super	£35,500
Fair	£34,500
Poor	£39,333

Price valuation FAQs

The price valuation for each vehicle is calculated by statistically comparing the car and its price to similar cars currently for sale. AutoUncle updates valuations regularly to make sure that the comparisons shown are as accurate and up-to-date as possible, and take into account market trends as well.

Our price comparisons takes more than 100 potential factors into consideration, for example:

Make

Model

Year

Transmission

Equipment

This allows us to determine its market value and evaluate the fairness of the price and rate it in one of AutoUncle’s five price rating categories.

You can find the result on all car listings. (visual)

BMW 840 in Great Missenden • 7 cars with AutoUncle Valuation

Used (2023) BMW 840 M Sport 328 HP | Super price

Used (2021) BMW 840 Comfort Edition 328 HP | Fair price

Used (2021) BMW 840 Comfort Edition 333 HP | Fair price

Used (2023) BMW 840 M Sport 328 HP | Fair price

Used (2022) BMW 840 M Sport 333 HP | A bit pricey

Used (2022) BMW 840 M Sport 328 HP | A bit pricey

Used (2024) BMW 840 M Sport 328 HP | A bit pricey

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