2018 BMW 840 • Compare 6 used cars with valuation

Market overview: Price Analysis (June-2026): A used 2018 BMW 840 typically costs between £24,990 and £30,000 • On average, used 2018 BMW 840 cars have covered 69,495 miles – with a few high-mileage examples reaching up to 95,000 miles • Depreciation and price trends over the last 12 months for the 2018 BMW 840 stand at £0.

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Used BMW 840 Comfort Edition 340 HP (250 kW) 2020 Red Coupe

(2020) BMW 840 Comfort Edition 340 HP

Fair price

Estimated price £27,674

SN14 6LJ Wiltshire, Wiltshire

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

Carwow

Used BMW M4 Competition Edition 450 HP (330 kW) 2019 Grey Coupe

(2019) BMW M4 Competition Edition 450 HP

Fair price

Estimated price £29,829

GU24 9PL West End, Surrey

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

Carwow

Used BMW M2 370 HP (272 kW) 2017 Coupe

(2017) BMW M2 370 HP

Fair price

185 g CO2/km comb. - 370 HP (272 kW) - 7.8 Mpg

Carwow

Used BMW M2 Competition Edition 411 HP (302 kW) 2020 Coupe

(2020) BMW M2 Competition Edition 411 HP

Fair price

Estimated price £34,732

GU24 9PL West End, Surrey

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

Price checked by AutoUncle

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Expensive

-6%

1 / 4

Used (2018) BMW 840 Comfort Edition 316 HP | Good price

8 Series d xDrive Coupe 3.0

2018
48,819 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
316 HP (232 kW)
CO2 emissions: 160 g CO2/km comb.
40.4 mpg
Details

Good price

£29,500

£31,500

Bmw.co.uk

HP23 Hertfordshire, Hertfordshire

-1%

1 / 4

Used (2018) BMW 840 Comfort Edition 320 HP | Fair price

8 Series 3.0 d Coupe 2dr Diesel

2018
68,500 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
320 HP (235 kW)
Details

Fair price

£27,995

£28,495

Exchange and Mart

EH11 4DJ Edinburgh, Edinburgh

1 / 4

Used (2018) BMW 840 Comfort Edition | Fair price

8 Series d xDrive 2dr Auto

2018
53,650 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
Details

Fair price

£29,995

Motors.co.uk

S9 4WN South Yorkshire, South Yorkshire

1 / 4

Used (2018) BMW 840 Comfort Edition | A bit pricey

8 Series d xDrive 2dr Auto

2018
95,000 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
Details

A bit pricey

£24,999

Motors.co.uk

BD5 9ET West Yorkshire, West Yorkshire

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Used BMW X3 M Sport 265 HP (194 kW) 2019 Black SUV

(2019) BMW X3 M Sport 265 HP

Super price

You save £3,733

BL9 6HH Greater Manchester, Manchester

185 g CO2/km comb. - 265 HP (194 kW) - 38.2 Mpg

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Used BMW 340 M Sport 326 HP (239 kW) 2018 White Sedan

(2018) BMW 340 M Sport 326 HP

Fair price

Estimated price £26,147

EN9 2BL Essex, Essex

168 g CO2/km comb. - 326 HP (239 kW) - 7.3 Mpg

Carwow

Used BMW X3 M Sport 184 HP (135 kW) 2020 Grey SUV

(2020) BMW X3 M Sport 184 HP

Fair price

WC1E 7DP Greater London, London

179 g CO2/km comb. - 184 HP (135 kW) - 35.3 Mpg

Carwow

Used BMW X4 M Sport 190 HP (139 kW) 2019 Black SUV

(2019) BMW X4 M Sport 190 HP

Fair price

Estimated price £24,899

GU1 1RD Surrey, Surrey

165 g CO2/km comb. - 190 HP (139 kW) - 39.8 Mpg

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Used (2018) BMW 840 | A bit pricey

8 Series d xDrive 2dr Auto

2018
93,000 miles
3.0L Diesel
Coupe
Automatic
Details

A bit pricey

£24,990

Motors.co.uk

LS13 4AD West Yorkshire, West Yorkshire

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Sandicliffe.co.uk

Used Ford Mustang GT Convertible 416 HP (305 kW) 2017 Grey Cabriolet

(2017) Ford Mustang GT Convertible 416 HP

Fair price

Estimated price £25,220

Nottingham, Nottinghamshire

289 g CO2/km comb. - 416 HP (305 kW)

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Used Land Rover Range Rover Sport Autobiography Dynamic 525 HP (386 kW) 2019 SUV

(2019) Land Rover Range Rover Sport Autobiography Dynamic 525 HP

Fair price

Rochdale, Manchester

291 g CO2/km comb. - 525 HP (386 kW) - 18.8 Mpg

Carwow

Used Audi Q5 Black Edition 190 HP (139 kW) 2019 Grey SUV

(2019) Audi Q5 Black Edition 190 HP

Fair price

TD9 8PZ Scottish Borders, Roxburghshire

194 g CO2/km comb. - 190 HP (139 kW) - 7.3 Mpg

Carwow

Used Land Rover Range Rover Sport HSE Dynamic 306 HP (225 kW) 2020 SUV

(2020) Land Rover Range Rover Sport HSE Dynamic 306 HP

Super price

You save £3,905

238 g CO2/km comb. - 306 HP (225 kW) - 8.8 Mpg

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