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2019 BMW 840 • Compare 27 used cars with valuation

Average sales data

Avg. price

£29,897

Cars found

29

Depreciation

-

Avg. sale time

69 days

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Price checked by AutoUncle

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Carwow

Used BMW 840 Shadowline 340 HP (250 kW) 2020 Coupe
2020
(2020) BMW 840 Shadowline 340 HP
£28,350

Fair price

You save £650
WR9 7DZ Worcestershire, Worcestershire

190 g CO2/km comb. - 340 HP (250 kW) - 8.4 Mpg

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2021 Black Coupe
2021
(2021) BMW 840 M Sport 333 HP
£28,499

Fair price

You save £1,101
CW7 Cheshire West And Chester, Cheshire

189 g CO2/km comb. - 333 HP (244 kW) - 8.2 Mpg

Carwow

Used BMW 840 Shadowline 320 HP (235 kW) 2020 Coupe
2020
(2020) BMW 840 Shadowline 320 HP
£26,995

Fair price

You save £705
EH11 4DJ Sighthill, Edinburgh

183 g CO2/km comb. - 320 HP (235 kW) - 6.9 Mpg

Carwow

Used BMW 840 Comfort Edition 340 HP (250 kW) 2020 Black Coupe
2020
(2020) BMW 840 Comfort Edition 340 HP
£27,975

Super price

You save £2,925
BL9 5BQ Greater Manchester, Manchester

195 g CO2/km comb. - 340 HP (250 kW) - 8.5 Mpg

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Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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Carwow

Used BMW 840 Comfort Edition 340 HP (250 kW) 2019 Blue Coupe
2019
(2019) BMW 840 Comfort Edition 340 HP
£29,999

Good price

You save £2,601
SS2 5EZ Southend-On-Sea, Essex

195 g CO2/km comb. - 340 HP (250 kW) - 31.7 Mpg

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2021 Grey Coupe
2021
(2021) BMW 840 M Sport 333 HP
£27,750

Fair price

Estimated price £27,591
M17 1PZ Stretford, Manchester

193 g CO2/km comb. - 333 HP (244 kW) - 8.4 Mpg

Carwow

Used BMW 840 Comfort Edition 340 HP (250 kW) 2020 White Coupe
2020
(2020) BMW 840 Comfort Edition 340 HP
£29,295

Fair price

You save £905
LU3 3AN Luton, Bedfordshire

190 g CO2/km comb. - 340 HP (250 kW) - 8.4 Mpg

Carwow

Used BMW 840 M Sport 340 HP (250 kW) 2020 Black Coupe
2020
(2020) BMW 840 M Sport 340 HP
£25,799

Fair price

You save £701
CW7 Cheshire West And Chester, Cheshire

190 g CO2/km comb. - 340 HP (250 kW) - 33.6 Mpg

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Used BMW 840 M Sport 340 HP (250 kW) 2020 Blue Coupe
2020
(2020) BMW 840 M Sport 340 HP
£26,649

Super price

You save £3,851
WA8 9WZ Halton, Cheshire

195 g CO2/km comb. - 340 HP (250 kW) - 8.5 Mpg

Carwow

Used Audi RS5 Comfort 450 HP (330 kW) 2017 Red Coupe
2017
(2017) Audi RS5 Comfort 450 HP
£27,995

Fair price

Estimated price £27,334
YO32 2RJ Wigginton, North Yorkshire

197 g CO2/km comb. - 450 HP (330 kW) - 8.6 Mpg

Carwow

Used Audi RS5 Comfort 450 HP (330 kW) 2017 Black Coupe
2017
(2017) Audi RS5 Comfort 450 HP
£31,995

Fair price

Estimated price £31,859
WR9 7DZ Worcestershire, Worcestershire

197 g CO2/km comb. - 450 HP (330 kW) - 8.6 Mpg

Carwow

Used Audi RS5 Comfort 450 HP (330 kW) 2021 Blue Coupe
2021
(2021) Audi RS5 Comfort 450 HP
£44,990

Fair price

You save £410
TS17 0BA Thornaby, North Yorkshire

219 g CO2/km comb. - 450 HP (330 kW) - 9.7 Mpg

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Used Audi RS6 Performance 605 HP (444 kW) 2018 Estate
2018
(2018) Audi RS6 Performance 605 HP
£38,888

Good price

You save £2,212
KA8 8DP Ayrshire, Ayrshire And Arran

223 g CO2/km comb. - 605 HP (444 kW) - 9.6 Mpg

Carwow

Used Audi RS6 Design 560 HP (411 kW) 2017 Blue Estate
2017
(2017) Audi RS6 Design 560 HP
£37,500

Super price

You save £3,600
WR9 7DZ Worcestershire, Worcestershire

223 g CO2/km comb. - 560 HP (411 kW) - 9.6 Mpg

Carwow

Used Audi RS6 Performance 605 HP (444 kW) 2018 Estate
2018
(2018) Audi RS6 Performance 605 HP
£38,109

Good price

You save £2,191
MK139HA

223 g CO2/km comb. - 605 HP (444 kW) - 9.6 Mpg

Carwow

Used BMW M4 Competition Edition 450 HP (330 kW) 2019 Blue Coupe
2019
(2019) BMW M4 Competition Edition 450 HP
£31,250

Fair price

You save £150
CV9 3NB Leicestershire, Leicestershire

228 g CO2/km comb. - 450 HP (330 kW) - 9.9 Mpg

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Used BMW M2 Competition Edition 411 HP (302 kW) 2020 Coupe
2020
(2020) BMW M2 Competition Edition 411 HP
£29,950

Super price

You save £3,650
YO195XD

220 g CO2/km comb. - 411 HP (302 kW) - 9.7 Mpg

Carwow

Used BMW M4 431 HP (317 kW) 2019 Coupe
2019
(2019) BMW M4 431 HP
£31,895

Good price

You save £2,005
CB10 2RY Little Sampford, Essex

227 g CO2/km comb. - 431 HP (317 kW) - 9.9 Mpg

Carwow

Used BMW M2 Competition Edition 411 HP (302 kW) 2019 White Coupe
2019
(2019) BMW M2 Competition Edition 411 HP
£33,495

Fair price

You save £105
PE30 4JJ Norfolk, Norfolk

220 g CO2/km comb. - 411 HP (302 kW) - 9.7 Mpg

Carwow

Used BMW M2 Competition Edition 411 HP (302 kW) 2020 Coupe
2020
(2020) BMW M2 Competition Edition 411 HP
£33,999

Fair price

You save £101
CV93NB

225 g CO2/km comb. - 411 HP (302 kW) - 9.9 Mpg

Showing 1 - 25 of 29 results

How much does a used BMW 840 cost? Prices, ratings and depreciation by model year

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£49,8884,200 miles-£19,96012

2024 BMW 840

£41,350 - £57,346£47,7029,100 miles-£18,44011

2023 BMW 840

£33,292 - £43,845£38,22723,700 miles-£7,96036

2022 BMW 840

£31,301 - £42,145£36,65730,000 miles-£2,64038

2021 BMW 840

£26,889 - £38,938£32,94846,900 miles-£2,28033

2019 BMW 840

£25,140 - £35,429£29,51650,800 miles-£2,34027

2020 BMW 840

£24,847 - £36,023£29,50152,500 miles-£3,46034

2018 BMW 840

£22,705 - £29,998£26,18083,800 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: 18 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£38,48225,900 miles-£7,440117
📈 The best value

BMW 840 Comfort Edition

£25,990 - £38,713£31,29948,100 miles-£2,62062

BMW 840 Sport Line

£20,995 - £37,974£28,64550,000 miles-< 10

BMW 840 Shadowline

£27,145 - £28,473£27,95961,500 miles-< 10

BMW 840 Luxury Line

£25,140 - £27,840£26,49084,200 miles-< 10
💰 The budget choice

BMW 840 M Performance

£23,239 - £28,639£25,82262,500 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: 18 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).

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

See BMW 840

Price Information

BMW 840

Price ratingAverage price

Super

£30,242

Good

£29,999

Fair

£28,977

Bad

£33,000

Price valuation FAQs