BMW X3 M (petrol) • 110 cars with Valuation

Market overview: Petrol BMW X3 M (May-2026): There are currently 110 used petrol BMW X3 M cars for sale. Prices range from £30,495 to £66,950, with a median price of £47,222. AutoUncle has identified 24 cars as being offered below market price. The typical selling time for a petrol BMW X3 M is approximately 25 days, and 49.5% of the listings have recently been reduced in price (Source: AutoUncle market data, May-2026).

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Used BMW X3 M Competition Edition 510 HP (375 kW) 2024 SUV

(2024) BMW X3 M Competition Edition 510 HP

Fair price

Estimated price £58,747

247 g CO2/km comb. - 510 HP (375 kW) - 10.7 Mpg

Carwow

Used BMW X3 M Competition Edition 510 HP (375 kW) 2021 SUV

(2021) BMW X3 M Competition Edition 510 HP

Super price

You save £5,500

WR9 7DZ Worcestershire, Worcestershire

261 g CO2/km comb. - 510 HP (375 kW) - 11.3 Mpg

Carwow

Used BMW X3 M Competition Edition 510 HP (375 kW) 2021 Black SUV

(2021) BMW X3 M Competition Edition 510 HP

Fair price

Estimated price £43,539

HA0 1TX Greater London, London

239 g CO2/km comb. - 510 HP (375 kW) - 11.3 Mpg

Carwow

Used BMW X3 M Competition Edition 510 HP (375 kW) 2021 Grey SUV

(2021) BMW X3 M Competition Edition 510 HP

Good price

You save £2,612

Ayrshire, Ayrshire And Arran

241 g CO2/km comb. - 510 HP (375 kW) - 11.3 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-1%

1 / 3

Used (2021) BMW X3 M Competition Edition 510 HP | Super price

- Competition xDrive 5dr Step

2021
41,732 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
510 HP (375 kW)
CO2 emissions: 261 g CO2/km comb.
11.3 mpg
Details

Super price

£41,500

£41,990

WR9 7DZ Worcestershire, Worcestershire

Availability verified

-2%

1 / 4

Used (2020) BMW X3 M Competition Edition 510 HP | Good price

3.0i Competition SUV 5dr Petrol

2020
31,737 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
510 HP (375 kW)
CO2 emissions: 239 g CO2/km comb.
24.4 mpg
Details

Good price

£44,350

£45,650

CM1 3BH Essex, Essex

Availability verified

-2%

1 / 4

Used (2021) BMW X3 M Competition Edition 510 HP | Good price

3.0i Competition SUV 5dr Petrol

2021
23,000 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
510 HP (375 kW)
CO2 emissions: 241 g CO2/km comb.
11.3 mpg
Details

Good price

£48,888

£49,995

Ayrshire, Ayrshire And Arran

Availability verified

-7%

1 / 4

Used (2023) BMW X3 M Competition Edition 503 HP | Good price

X3M Competition 3.0 5dr

2023
36,709 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
503 HP (369 kW)
CO2 emissions: 249 g CO2/km comb.
25.9 mpg
Details

Good price

£57,450

£62,000

Bmw.co.uk

LE19 Leicestershire, Leicestershire

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Used BMW X3 M Competition Edition 510 HP (375 kW) 2020 Donington grey SUV

(2020) BMW X3 M Competition Edition 510 HP

Good price

You save £2,250

CM1 3BH Essex, Essex

239 g CO2/km comb. - 510 HP (375 kW) - 24.4 Mpg

Carwow

Used BMW X3 M Competition Edition 510 HP (375 kW) 2024 Black SUV

(2024) BMW X3 M Competition Edition 510 HP

Fair price

Estimated price £66,885

WC1E 7DP Greater London, London

241 g CO2/km comb. - 510 HP (375 kW) - 26.0 Mpg

Carwow

Used Volvo XC60 Plus 250 HP (183 kW) 2026 SUV

(2026) Volvo XC60 Plus 250 HP

Fair price

Estimated price £40,449

DY8 1JN West Midlands, West Midlands

172 g CO2/km comb. - 250 HP (183 kW) - 37.2 Mpg

Carwow

Used Porsche Macan 265 HP (194 kW) 2025 SUV

(2025) Porsche Macan 265 HP

Fair price

228 g CO2/km comb. - 265 HP (194 kW) - 10.0 Mpg

-3%

1 / 3

Used (2021) BMW X3 M Competition Edition 503 HP | Super price

X3M Competition 3.0 5dr

2021
49,268 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
503 HP (369 kW)
CO2 emissions: 261 g CO2/km comb.
24.8 mpg
Details

Super price

£43,999

£45,499

Bmw.co.uk

WA2 8HY Warrington, Cheshire

-1%

1 / 3

Used (2020) BMW X3 M Competition Edition 503 HP | Good price

X3M Competition 3.0 5dr

2020
31,785 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
503 HP (369 kW)
CO2 emissions: 263 g CO2/km comb.
24.6 mpg
Details

Good price

£45,999

£46,499

Bmw.co.uk

WA2 8HY Warrington, Cheshire

1 / 4

Used (2023) BMW X3 M Competition Edition 503 HP | Good price

X3M Competition 3.0 5dr

2023
19,519 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
503 HP (369 kW)
CO2 emissions: 247 g CO2/km comb.
26.2 mpg
Details

Good price

£60,590

£60,900

Bmw.co.uk

HU9 1TQ Kingston Upon Hull, East Yorkshire

-3%

1 / 4

Used (2026) BMW X3 M M Sport | Super price

Sport

2026
7,287 miles
Trim level: M Sport
2.0L Petrol
SUV
Automatic
CO2 emissions: 241 g CO2/km comb.
10.8 mpg
Details

Super price

£48,449

£49,949

Motors.co.uk

LA11 6QR Lindale, Cumbria

-9%

1 / 4

Used (2019) BMW X3 M Competition Edition | Super price

X3 M xDrive Competition 5dr Step

2019
29,534 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
CO2 emissions: 239 g CO2/km comb.
10.5 mpg
Details

Super price

£39,699

£43,899

Motors.co.uk

M12 6LP Greater Manchester, Manchester

-3%

1 / 4

Used (2021) BMW X3 M Competition Edition 503 HP | Super price

X3M Competition 3.0 5dr

2021
21,300 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
503 HP (369 kW)
CO2 emissions: 261 g CO2/km comb.
24.8 mpg
Details

Super price

£49,440

£51,000

Bmw.co.uk

WV2 West Midlands, West Midlands

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Used Audi SQ7 Black Edition 507 HP (372 kW) 2023 Mythos black metallic/mythos black metallic SUV

(2023) Audi SQ7 Black Edition 507 HP

Good price

You save £2,350

CM1 3BH Essex, Essex

276 g CO2/km comb. - 507 HP (372 kW) - 12.0 Mpg

Carwow Leasing

New Audi Q3 S-Line 150 HP (110 kW) 2026 SUV

(2026) Audi Q3 S-Line 150 HP

Fair price

You save £1,465

HP7 9JD Buckinghamshire, Buckinghamshire

144 g CO2/km comb. - 150 HP (110 kW) - 6.3 Mpg

Carwow

Used BMW X1 Comfort Edition 300 HP (220 kW) 2024 Grey SUV

(2024) BMW X1 Comfort Edition 300 HP

Fair price

You save £1,442

PO3 5FF Portsmouth, Hampshire

175 g CO2/km comb. - 300 HP (220 kW) - 36.2 Mpg

Carwow

Used Volvo XC90 Ultra 250 HP (183 kW) 2025 SUV

(2025) Volvo XC90 Ultra 250 HP

Fair price

Estimated price £54,164

196 g CO2/km comb. - 250 HP (183 kW) - 8.6 Mpg

New

1 / 4

Used (2025) BMW X3 M M Sport | Good price

Sport

2025
8,715 miles
Trim level: M Sport
2.0L Petrol
SUV
Automatic
CO2 emissions: 241 g CO2/km comb.
10.8 mpg
Details

Good price

£45,450

Motors.co.uk

NE2 4LE Tyne And Wear, Tyne And Wear

New

1 / 4

Used (2023) BMW X3 M Competition Edition 510 HP | Good price

X3 M xDrive Competition 5dr Step

2023
17,774 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
510 HP (375 kW)
CO2 emissions: 241 g CO2/km comb.
10.8 mpg
Details

Good price

£58,500

Parkers.co.uk

BA8 0TG Henstridge, Somerset

-4%

1 / 4

Used (2025) BMW X3 M Competition Edition 510 HP | Good price

X3M Competition 3.0 5dr

2025
19,051 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
510 HP (375 kW)
CO2 emissions: 241 g CO2/km comb.
25.9 mpg
Details

Good price

£63,000

£66,000

Bmw.co.uk

PE30 4NA Norfolk, Norfolk

1 / 4

Used (2025) BMW X3 M M Sport | Super price

Sport

2025
13,735 miles
Trim level: M Sport
2.0L Petrol
SUV
Automatic
CO2 emissions: 241 g CO2/km comb.
10.8 mpg
Details

Super price

£43,950

Motors.co.uk

CA3 0EE Cumberland, Cumbria

-2%

1 / 4

New (2025) BMW X3 M M Sport | Good price

Sport

2025
12 miles
Trim level: M Sport
2.0L Petrol
SUV
Automatic
CO2 emissions: 241 g CO2/km comb.
10.8 mpg
Details

Good price

£47,990

£48,990

Motors.co.uk

FY4 5PQ Lancashire, Lancashire

-3%

1 / 4

Used (2023) BMW X3 M Competition Edition 503 HP | Good price

X3M Competition 3.0 5dr

2023
13,250 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
503 HP (369 kW)
CO2 emissions: 247 g CO2/km comb.
26.2 mpg
Details

Good price

£60,995

£62,995

Bmw.co.uk

GU1 1RD Surrey, Surrey

1 / 4

Used (2019) BMW X3 M Competition Edition 502 HP | Good price

X3 M xDrive Competition 5dr Step

2019
69,097 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
502 HP (369 kW)
CO2 emissions: 239 g CO2/km comb.
10.5 mpg
Details

Good price

£36,950

Honestjohn

BD4 8RU West Yorkshire, West Yorkshire

1 / 4

Used (2022) BMW X3 M Competition Edition 503 HP | Good price

X3M Competition 3.0 5dr

2022
15,000 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
503 HP (369 kW)
CO2 emissions: 247 g CO2/km comb.
26.2 mpg
Details

Good price

£58,000

Bmw.co.uk

B68 8DA West Midlands, West Midlands

-3%

1 / 4

Used (2024) BMW X3 M Competition Edition 503 HP | Good price

X3M Competition 3.0 5dr

2024
10,113 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
503 HP (369 kW)
CO2 emissions: 248 g CO2/km comb.
25.9 mpg
Details

Good price

£65,950

£68,000

Bmw.co.uk

WR4 9FA Worcestershire, Worcestershire

1 / 4

New (2026) BMW X3 M M Sport | Super price

Sport

2026
12 miles
Trim level: M Sport
2.0L Petrol
SUV
Automatic
CO2 emissions: 241 g CO2/km comb.
10.8 mpg
Details

Super price

£49,990

Motors.co.uk

FY4 5PQ Lancashire, Lancashire

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Used Mercedes E450 AMG line 367 HP (269 kW) 2023 Red Sedan

(2023) Mercedes E450 AMG line 367 HP

Fair price

Estimated price £41,137

TN12 5HD East Peckham, Kent

204 g CO2/km comb. - 367 HP (269 kW) - 9.0 Mpg

Carwow Leasing

New BMW 420 M Sport 184 HP (135 kW) 2026 Coupe

(2026) BMW 420 M Sport 184 HP

Fair price

You save £1,207

ME20 7XB Quarry Wood, Kent

144 g CO2/km comb. - 184 HP (135 kW) - 6.3 Mpg

Carwow Leasing

New BMW X1 M Sport 170 HP (125 kW) 2026 SUV

(2026) BMW X1 M Sport 170 HP

Fair price

You save £1,451

ME20 7XB Quarry Wood, Kent

130 g CO2/km comb. - 170 HP (125 kW) - 5.6 Mpg

Carwow

Used BMW M3 Competition Edition 450 HP (330 kW) 2018 Blue Sedan

(2018) BMW M3 Competition Edition 450 HP

Fair price

Estimated price £43,674

GU24 9PL West End, Surrey

194 g CO2/km comb. - 450 HP (330 kW) - 8.3 Mpg

1 / 4

Used (2021) BMW X3 M Competition Edition 510 HP | Good price

X3M Competition 3.0 5dr

2021
33,382 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
510 HP (375 kW)
CO2 emissions: 263 g CO2/km comb.
24.6 mpg
Details

Good price

£47,949

Bmw.co.uk

LA11 6QR Lindale, Cumbria

-5%

1 / 4

Used (2020) BMW X3 M Competition Edition 510 HP | Super price

3.0i Competition SUV 5dr Petrol

2020
36,600 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
510 HP (375 kW)
CO2 emissions: 239 g CO2/km comb.
24.4 mpg
Details

Super price

£42,990

£45,490

Parkers.co.uk

SS0 0JR Southend-On-Sea, Essex

1 / 4

Used (2021) BMW X3 M Competition Edition | Good price

X3 M xDrive Competition 5dr Step

2021
59,934 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
CO2 emissions: 239 g CO2/km comb.
24.4 mpg
Details

Good price

£40,995

Motors.co.uk

TF1 5JD Telford And Wrekin, Shropshire

1 / 3

Used (2019) BMW X3 M Competition Edition 503 HP | Super price

X3M Competition 3.0 5dr

2019
33,582 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
503 HP (369 kW)
CO2 emissions: 239 g CO2/km comb.
24.6 mpg
Details

Super price

£43,500

Bmw.co.uk

WC1E 7DP Greater London, London

1 / 4

Used (2024) BMW X3 M Competition Edition 510 HP | Fair price

- Competition xDrive 5dr Step

2024
25,000 miles
Trim level: Competition Edition
3.0L Petrol
SUV
Automatic
510 HP (375 kW)
CO2 emissions: 247 g CO2/km comb.
10.7 mpg
Details

Fair price

£59,995

SY13TB

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New BMW X1 M Sport 170 HP (125 kW) 2026 SUV

(2026) BMW X1 M Sport 170 HP

Good price

You save £2,650

130 g CO2/km comb. - 170 HP (125 kW) - 5.6 Mpg

Carwow

Used Volvo XC90 Ultra 250 HP (183 kW) 2025 SUV

(2025) Volvo XC90 Ultra 250 HP

Fair price

You save £1,338

196 g CO2/km comb. - 250 HP (183 kW) - 8.6 Mpg

Carwow

Used Volvo XC90 Plus 250 HP (183 kW) 2025 SUV

(2025) Volvo XC90 Plus 250 HP

Fair price

Estimated price £47,293

193 g CO2/km comb. - 250 HP (183 kW) - 8.6 Mpg

Carwow

Used Volvo XC60 Ultra 250 HP (183 kW) 2024 SUV

(2024) Volvo XC60 Ultra 250 HP

Fair price

Estimated price £41,328

EX2 8EX Marsh Barton, Devon

179 g CO2/km comb. - 250 HP (183 kW) - 7.5 Mpg

Showing 1 - 25 of 105 results

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