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BMW X6 (diesel) • 437 cars with Valuation

Market overview: Diesel BMW X6 (October-2026): There are currently 437 used diesel BMW X6 cars for sale. Prices range from £8,999 to £68,996, with a median price of £31,950. AutoUncle has identified 60 cars as being offered below market price. The typical selling time for a diesel BMW X6 is approximately 34 days, and 47.5% of the listings have recently been reduced in price (Source: AutoUncle market data, October-2026).

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Used BMW X6 M Sport 340 HP (250 kW) 2021 Black SUV

(2021) BMW X6 M Sport 340 HP

Good price

You save £1,996

OL11 2NQ Greater Manchester, Manchester

184 g CO2/km comb. - 340 HP (250 kW) - 39.2 Mpg

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Used BMW X6 Performance 265 HP (194 kW) 2020 White SUV

(2020) BMW X6 Performance 265 HP

Fair price

TS183RB Preston Farm Industrial Estate, Durham

205 g CO2/km comb. - 265 HP (194 kW) - 34.9 Mpg

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Used BMW X6 M Sport 340 HP (250 kW) 2022 Blue SUV

(2022) BMW X6 M Sport 340 HP

Fair price

You save £1,550

CM1 3BH Essex, Essex

188 g CO2/km comb. - 340 HP (250 kW) - 6.9 Mpg

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Used BMW X6 M Sport 286 HP (210 kW) 2022 Black SUV

(2022) BMW X6 M Sport 286 HP

Good price

You save £2,010

MK15 0DQ Milton Keynes, Buckinghamshire

184 g CO2/km comb. - 286 HP (210 kW) - 41.5 Mpg

Price checked by AutoUncle

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Fair price

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Expensive

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-11%

1 / 4

Used (2026) BMW X6 M Sport 352 HP | Good price

xDrive40d M Sport 3.0 5dr

2026
7,987 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
352 HP (258 kW)
CO2 emissions: 190 g CO2/km comb.
39.2 mpg
Details

Good price

£66,490

£74,990

ME20 7XB Quarry Wood, Kent

Availability verified

-10%

1 / 4

Used (2016) BMW X6 M Sport 313 HP | Good price

3.0 40d M Sport SUV 5dr Diesel

2016
79,000 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
313 HP (230 kW)
CO2 emissions: 229 g CO2/km comb.
32.5 mpg
Details

Good price

£16,990

£18,990

UB7 8HY Greater London, London

Availability verified

-8%

1 / 4

Used (2021) BMW X6 M Sport 340 HP | Good price

Xdrive 30d M Sport Mhev Auto

2021
85,010 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
340 HP (250 kW)
CO2 emissions: 184 g CO2/km comb.
39.2 mpg
Details

Good price

£31,004

£33,990

OL11 2NQ Greater Manchester, Manchester

Availability verified

-18%

1 / 4

Used (2025) BMW X6 M Sport 352 HP | Super price

xDrive40d M Sport 3.0 5dr

2025
6,515 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
352 HP (258 kW)
CO2 emissions: 190 g CO2/km comb.
38.2 mpg
Details

Super price

£61,411

£74,999

YO30 4WR York, North Yorkshire

Availability verified

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Used BMW X6 M Sport 340 HP (250 kW) 2022 Black SUV

(2022) BMW X6 M Sport 340 HP

Fair price

You save £1,463

YO30 4WR York, North Yorkshire

188 g CO2/km comb. - 340 HP (250 kW) - 39.8 Mpg

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Used BMW X6 M Sport 340 HP (250 kW) 2022 Black SUV

(2022) BMW X6 M Sport 340 HP

Fair price

Estimated price £42,291

UB7 0LW Harmondsworth, London

188 g CO2/km comb. - 340 HP (250 kW) - 6.9 Mpg

Carwow

Used BMW X6 M Sport 265 HP (194 kW) 2020 Grey SUV

(2020) BMW X6 M Sport 265 HP

Good price

You save £1,800

CM1 3BH Essex, Essex

205 g CO2/km comb. - 265 HP (194 kW) - 7.5 Mpg

Carwow

Used BMW X6 M Sport 286 HP (210 kW) 2022 Black SUV

(2022) BMW X6 M Sport 286 HP

Fair price

You save £1,400

CM1 3BH Essex, Essex

184 g CO2/km comb. - 286 HP (210 kW) - 39.2 Mpg

-3%

1 / 4

Used (2022) BMW X6 M Sport 286 HP | Super price

2022 M Sport xDrive30d MHT Step

2022
30,217 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
286 HP (210 kW)
CO2 emissions: 184 g CO2/km comb.
6.6 mpg
Details

Super price

£42,390

£43,790

TN2 3UE Kent, Kent

Availability verified

-7%

1 / 4

Used (2016) BMW X6 M Sport 258 HP | Super price

2016 M Sport xDrive30d Step

2016
73,578 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
258 HP (189 kW)
CO2 emissions: 227 g CO2/km comb.
8.4 mpg
Details

Super price

£16,490

£17,920

RG7 5JF Berkshire, Berkshire

Availability verified

-2%

1 / 3

Used (2022) BMW X6 M Sport 340 HP | Good price

2022 M Sport xDrive40d MHT Step

2022
58,407 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
340 HP (250 kW)
CO2 emissions: 188 g CO2/km comb.
6.9 mpg
Details

Good price

£39,975

£40,975

BL9 9ST Blackford Bridge, Manchester

Availability verified

-4%

1 / 4

Used (2020) BMW X6 M Sport 265 HP | Good price

xDrive30d M Sport Sport Automatic

2020
25,183 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
265 HP (194 kW)
CO2 emissions: 205 g CO2/km comb.
7.5 mpg
Details

Good price

£38,200

£40,000

CM1 3BH Essex, Essex

Availability verified

-18%

1 / 4

Used (2022) BMW X6 M Sport 286 HP | Good price

xDrive30d M Sport 3.0 5dr

2022
57,953 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
286 HP (210 kW)
CO2 emissions: 184 g CO2/km comb.
41.5 mpg
Details

Good price

£38,990

£48,000

MK15 0DQ Milton Keynes, Buckinghamshire

Availability verified

1 / 4

Used (2026) BMW X6 M Sport 298 HP | Good price

xDrive30d M Sport 3.0 5dr

2026
6,896 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
298 HP (219 kW)
CO2 emissions: 189 g CO2/km comb.
38.7 mpg
Details

Good price

£61,999

LS12 6DL West Yorkshire, West Yorkshire

Availability verified

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Used BMW X6 M Sport 340 HP (250 kW) 2022 Green SUV

(2022) BMW X6 M Sport 340 HP

Good price

You save £2,325

BL9 9ST Blackford Bridge, Manchester

188 g CO2/km comb. - 340 HP (250 kW) - 6.9 Mpg

Carwow

Used BMW X6 M Sport 340 HP (250 kW) 2022 Black SUV

(2022) BMW X6 M Sport 340 HP

Fair price

Estimated price £48,644

RH10 1TN West Sussex, West Sussex

188 g CO2/km comb. - 340 HP (250 kW) - 40.4 Mpg

Carwow

Used BMW X6 M Sport 286 HP (210 kW) 2022 Black SUV

(2022) BMW X6 M Sport 286 HP

Super price

You save £3,710

TN2 3UE Kent, Kent

184 g CO2/km comb. - 286 HP (210 kW) - 6.6 Mpg

Carwow

Used BMW X6 381 HP (280 kW) 2019 Grey SUV

(2019) BMW X6 381 HP

Fair price

WD3 3RT Croxley Green, Hertfordshire

252 g CO2/km comb. - 381 HP (280 kW) - 9.3 Mpg

1 / 4

Used (2014) BMW X6 Comfort Edition 306 HP | Super price

3.0 40d Auto xDrive Euro 5 5dr 8

2014
102,079 miles
Trim level: Comfort Edition
3.0L Diesel
SUV
Automatic
306 HP (225 kW)
CO2 emissions: 198 g CO2/km comb.
7.4 mpg
Details

Super price

£9,999

SO18 1BH Southampton, Hampshire

Availability verified

New

1 / 1

Used (2016) BMW X6 Comfort Edition | Good price

xDrive40d SE 5dr Step Auto

2016
100,000 miles
Trim level: Comfort Edition
3.0L Diesel
SUV
Automatic
Details

Good price

£13,940

Dealer

London, London

New

1 / 1

Used (2016) BMW X6 M Sport | Good price

xDrive30d M Sport 5dr Step

2016
93,722 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
Details

Good price

£15,495

Dealer

London, London

1 / 1

Used (2021) BMW X6 M Sport | Super price

xDrive30d MHT M Sport 5dr Step

2021
35,610 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
Details

Super price

£36,610

£36,970

Dealer

London, London

-4%

1 / 4

Used (2026) BMW X6 M Sport 294 HP | Good price

xDrive30d M Sport 3.0 5dr

2026
3,851 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
294 HP (216 kW)
CO2 emissions: 190 g CO2/km comb.
39.2 mpg
Details

Good price

£62,690

£65,985

Exchange and Mart

OL11 2PX Greater Manchester, Manchester

New

1 / 1

Used (2010) BMW X6 | Good price

xDrive40d 5dr Step Auto

2010
103,000 miles
3.0L Diesel
SUV
Automatic
Details

Good price

£6,995

Dealer

London, London

-4%

1 / 1

Used (2015) BMW X6 M Sport 254 HP | Good price

xDrive30d M Sport 5dr Step

2015
80,100 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
254 HP (186 kW)
CO2 emissions: 183 g CO2/km comb.
32.5 mpg
Details

Good price

£15,695

£16,495

Dealer

EN9 2RN Nazeing, Essex

-1%

1 / 3

Used (2022) BMW X6 M Sport 286 HP | Super price

3.0 30d MHT M Sport SUV 5dr Diesel

2022
51,428 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
286 HP (210 kW)
CO2 emissions: 149 g CO2/km comb.
5.7 mpg
Details

Super price

£37,489

£37,989

Exchange and Mart

Hertfordshire, Hertfordshire

-4%

1 / 4

Used (2024) BMW X6 M Sport 294 HP | Good price

xDrive30d M Sport 3.0 5dr

2024
25,931 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
294 HP (216 kW)
CO2 emissions: 191 g CO2/km comb.
38.7 mpg
Details

Good price

£52,590

£54,990

Bmw.co.uk

NE28 9NT Tyne And Wear, Tyne And Wear

-8%

1 / 4

Used (2025) BMW X6 M Sport 294 HP | Super price

xDrive30d M Sport 3.0 5dr

2025
19,046 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
294 HP (216 kW)
CO2 emissions: 189 g CO2/km comb.
39.2 mpg
Details

Super price

£54,999

£59,999

Exchange and Mart

CH1 4LS Chester, Cheshire

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Used BMW X6 M Sport 258 HP (189 kW) 2018 Grey SUV

(2018) BMW X6 M Sport 258 HP

Fair price

Estimated price £23,057

IP31 1SX Fornham Saint Martin, Suffolk

227 g CO2/km comb. - 258 HP (189 kW) - 8.4 Mpg

Carwow

Used BMW X6 M Sport 340 HP (250 kW) 2022 Black SUV

(2022) BMW X6 M Sport 340 HP

Fair price

Estimated price £46,544

CM1 3BH Essex, Essex

188 g CO2/km comb. - 340 HP (250 kW) - 6.9 Mpg

Carwow

Used BMW X6 M Sport 313 HP (230 kW) 2018 Black SUV

(2018) BMW X6 M Sport 313 HP

Fair price

BL2 2BD Greater Manchester, Manchester

229 g CO2/km comb. - 313 HP (230 kW) - 6.2 Mpg

Carwow

Used BMW X6 M Sport 352 HP (258 kW) 2024 Grey SUV

(2024) BMW X6 M Sport 352 HP

Fair price

Estimated price £60,419

HG3 1LG Pannal, North Yorkshire

190 g CO2/km comb. - 352 HP (258 kW) - 38.2 Mpg

-9%

1 / 4

Used (2025) BMW X6 M Sport 294 HP | Super price

xDrive30d M Sport 3.0 5dr

2025
12,321 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
294 HP (216 kW)
CO2 emissions: 189 g CO2/km comb.
39.2 mpg
Details

Super price

£55,499

£60,999

Exchange and Mart

CH1 4LS Chester, Cheshire

-4%

1 / 1

Used (2022) BMW X6 M Sport | Good price

xDrive30d MHT M Sport 5dr Step

2022
33,588 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
Details

Good price

£41,699

£43,499

Dealer

London, London

-6%

1 / 1

Used (2015) BMW X6 313 HP | Good price

xDrive40d SE 5d Step Auto

2015
83,500 miles
3.0L Diesel
SUV
Automatic
313 HP (230 kW)
CO2 emissions: 163 g CO2/km comb.
45 mpg
Details

Good price

£15,490

£16,490

Dealer

AL7 1AD Hertfordshire, Hertfordshire

-6%

1 / 4

New (2026) BMW X6 M Sport 298 HP | Super price

xDrive30d MHT M Sport 5dr Step

2026
10 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
298 HP (219 kW)
CO2 emissions: 189 g CO2/km comb.
7 mpg
Details

Super price

£76,198

£81,498

Dealer

IV1 1RY Highland Council, Inverness-Shire

-3%

1 / 1

Used (2017) BMW X6 M Sport 258 HP | Good price

xDrive30d M Sport 5dr Step

2017
84,108 miles
Trim level: M Sport
3.0L Diesel
SUV
Automatic
258 HP (189 kW)
CO2 emissions: 157 g CO2/km comb.
6 mpg
Details

Good price

£16,650

£17,250

Dealer

N11 1GN Greater London, London

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Used BMW X6 M Sport 258 HP (189 kW) 2016 Grey SUV

(2016) BMW X6 M Sport 258 HP

Super price

You save £2,610

RG7 5JF Berkshire, Berkshire

227 g CO2/km comb. - 258 HP (189 kW) - 8.4 Mpg

Carwow

Used BMW X6 Comfort Edition 306 HP (225 kW) 2014 Grey SUV

(2014) BMW X6 Comfort Edition 306 HP

Super price

You save £3,101

SO18 1BH Southampton, Hampshire

198 g CO2/km comb. - 306 HP (225 kW) - 7.4 Mpg

Carwow

Used BMW X6 M Sport 313 HP (230 kW) 2016 Black SUV

(2016) BMW X6 M Sport 313 HP

Fair price

CW1 5NP Cheshire East, Cheshire

229 g CO2/km comb. - 313 HP (230 kW) - 8.5 Mpg

Carwow

Used BMW X6 M Sport 313 HP (230 kW) 2015 Black SUV

(2015) BMW X6 M Sport 313 HP

Fair price

Estimated price £17,005

SO18 1BH Southampton, Hampshire

229 g CO2/km comb. - 313 HP (230 kW) - 8.5 Mpg

Showing 1 - 25 of 437 results

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