BMW M340 (petrol) • 213 cars with Valuation

Market overview: Petrol BMW M340 (June-2026): There are currently 213 used petrol BMW M340 cars for sale. Prices range from £28,995 to £60,951, with a median price of £44,864. AutoUncle has identified 72 cars as being offered below market price. The typical selling time for a petrol BMW M340 is approximately 20 days, and 57.6% of the listings have recently been reduced in price (Source: AutoUncle market data, June-2026).

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Used BMW M340 M Sport 374 HP (275 kW) 2025 Black Sedan

(2025) BMW M340 M Sport 374 HP

Good price

You save £1,856

RH1 5EP Salfords, Surrey

182 g CO2/km comb. - 374 HP (275 kW) - 34.0 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2024 Black Sedan

(2024) BMW M340 M Sport 374 HP

Super price

You save £3,956

TA6 6DD Somerset, Somerset

177 g CO2/km comb. - 374 HP (275 kW) - 7.8 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2025 Sedan

(2025) BMW M340 M Sport 374 HP

Good price

You save £2,180

182 g CO2/km comb. - 374 HP (275 kW) - 8.0 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2025 Sedan

(2025) BMW M340 M Sport 374 HP

Super price

You save £5,905

177 g CO2/km comb. - 374 HP (275 kW) - 7.8 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-4%

1 / 4

Used (2025) BMW M340 M Sport 374 HP | Good price

- 3 Series Touring i xDrive MHT

2025
19,539 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 182 g CO2/km comb.
8 mpg
Details

Good price

£46,220

£48,591

DH11HP

Availability verified

-1%

1 / 4

Used (2025) BMW M340 M Sport 374 HP | Super price

- 3 Series i xDrive MHT 4dr Step

2025
17,827 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
7.8 mpg
Details

Super price

£44,341

£44,864

RH15EP

Availability verified

-9%

1 / 3

Used (2025) BMW M340 M Sport 374 HP | Good price

3 Series i xDrive Touring 3.0

2025
9,358 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 182 g CO2/km comb.
34 mpg
Details

Good price

£52,944

£58,667

RH1 5EP Salfords, Surrey

Availability verified

-1%

1 / 3

Used (2025) BMW M340 M Sport 374 HP | Super price

- 3 Series i xDrive MHT 4dr Step

2025
41,096 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
7.8 mpg
Details

Super price

£39,595

£39,995

GU11RD

Availability verified

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Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2025 Sedan

(2025) BMW M340 M Sport 374 HP

Super price

You save £6,430

177 g CO2/km comb. - 374 HP (275 kW) - 7.8 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2025 Sedan

(2025) BMW M340 M Sport 374 HP

Fair price

Estimated price £50,797

177 g CO2/km comb. - 374 HP (275 kW) - 7.8 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2025 Sedan

(2025) BMW M340 M Sport 374 HP

Fair price

182 g CO2/km comb. - 374 HP (275 kW) - 8.0 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2025 Sedan

(2025) BMW M340 M Sport 374 HP

Super price

You save £4,259

177 g CO2/km comb. - 374 HP (275 kW) - 7.8 Mpg

1 / 4

Used (2024) BMW M340 M Sport 374 HP | Super price

- 3 Series i xDrive MHT 4dr Step

2024
6,725 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
7.8 mpg
Details

Super price

£45,444

£45,091

TA6 6DD Somerset, Somerset

Availability verified

-6%

1 / 3

Used (2022) BMW M340 M Sport 374 HP | Good price

- 3 Series i xDrive MHT 4dr Step

2022
46,500 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
7.7 mpg
Details

Good price

£32,749

£34,949

WD19 4HX Hertfordshire, Hertfordshire

Availability verified

1 / 1

New (2026) BMW M340 M Sport 392 HP | Good price

- 3 Series i xDrive MHT 392 4dr

2026
0 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 159 g CO2/km comb.
6.9 mpg
Details

Good price

£57,250

S92RQ

Availability verified

New

1 / 4

Used (2022) BMW M340 M Sport 374 HP | Good price

- 3 Series i xDrive MHT 4dr Step

2022
50,445 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
7.7 mpg
Details

Good price

£29,970

RH149AZ

Availability verified

New

1 / 4

Used (2025) BMW M340 M Sport 374 HP | Super price

- 3 Series i xDrive MHT 4dr Step

2025
35,436 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
7.8 mpg
Details

Super price

£39,870

RH149AZ

Availability verified

-3%

1 / 4

Used (2025) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2025
2,500 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Super price

£49,940

£51,940

Bmw.co.uk

BB1 3NU Blackburn, Lancashire

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Carwow Leasing

New BMW M340 M Sport 392 HP (288 kW) 2026 Sedan

(2026) BMW M340 M Sport 392 HP

Fair price

159 g CO2/km comb. - 392 HP (288 kW) - 6.9 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2022 White Sedan

(2022) BMW M340 M Sport 374 HP

Fair price

Estimated price £33,123

CT2 7PX Kent, Kent

182 g CO2/km comb. - 374 HP (275 kW) - 35.3 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2022 Sedan

(2022) BMW M340 M Sport 374 HP

Fair price

Estimated price £33,150

CM1 3BH Essex, Essex

182 g CO2/km comb. - 374 HP (275 kW) - 8.0 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2020 Blue Sedan

(2020) BMW M340 M Sport 374 HP

Fair price

WR9 7DZ Worcestershire, Worcestershire

185 g CO2/km comb. - 374 HP (275 kW) - 8.0 Mpg

New

1 / 4

Used (2026) BMW M340 M Sport 392 HP | Super price

3 Series SERIES i xDrive MHT 392

2026
1,973 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 166 g CO2/km comb.
38.7 mpg
Details

Super price

£55,252

£55,390

Bmw.co.uk

BH12 5WB Bournemouth, Christchurch And Poole, Dorset

New

1 / 4

Used (2021) BMW M340 M Sport | Good price

3 Series i xDrive MHT 4dr Step

2021
60,000 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
Details

Good price

£27,499

Motors.co.uk

BL9 6DF Greater Manchester, Manchester

-8%

1 / 4

Used (2025) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2025
5,983 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Super price

£46,999

£51,499

Bmw.co.uk

SK9 3PB Handforth, Cheshire

-7%

1 / 3

Used (2026) BMW M340 M Sport 387 HP | Super price

3 Series i xDrive Touring 3.0

2026
3,499 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
387 HP (284 kW)
CO2 emissions: 173 g CO2/km comb.
37.2 mpg
Details

Super price

£51,990

£55,995

Bmw.co.uk

MK15 0DQ Milton Keynes, Buckinghamshire

1 / 4

Used (2021) BMW M340 M Sport 374 HP | Good price

3 Series i xDrive Saloon 3.0

Jan 2021
16,928 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
36.7 mpg
Details

Good price

£36,295

£35,995

Dealer

BN27 3UA East Sussex, East Sussex

-5%

1 / 4

Used (2026) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2026
4,421 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 191 g CO2/km comb.
33.6 mpg
Details

Super price

£51,999

£54,999

Bmw.co.uk

WA2 8HY Warrington, Cheshire

-9%

1 / 4

Used (2025) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2025
5,950 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Super price

£47,417

£52,216

Bmw.co.uk

SE18 6SR Greater London, London

-7%

1 / 4

Used (2026) BMW M340 M Sport 392 HP | Good price

3 Series i xDrive MHT 392 5dr Step

Feb 2026
5,000 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 165 g CO2/km comb.
Details

Good price

£59,975

£64,975

Dealer

Bmw, Dumfriesshire

-1%

1 / 4

Used (2021) BMW M340 M Sport 374 HP | Super price

3 Series SERIES i xDrive MHT 4dr

2021
46,214 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
Details

Super price

£29,411

£29,991

Dealer

EX2 8HL Marsh Barton, Devon

New

1 / 4

Used (2026) BMW M340 M Sport 392 HP | Good price

3 Series i xDrive MHT 392 5dr Step

May 2026
7,500 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 165 g CO2/km comb.
Details

Good price

£59,995

Dealer

Bmw, Dumfriesshire

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Carwow Leasing

New BMW M340 M Sport 392 HP (288 kW) 2026 Sedan

(2026) BMW M340 M Sport 392 HP

Fair price

Estimated price £58,906

159 g CO2/km comb. - 392 HP (288 kW) - 6.9 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2020 Grey Sedan

(2020) BMW M340 M Sport 374 HP

Fair price

WR9 7DZ Worcestershire, Worcestershire

185 g CO2/km comb. - 374 HP (275 kW) - 8.0 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2021 Grey Sedan

(2021) BMW M340 M Sport 374 HP

Fair price

WR9 7DZ Worcestershire, Worcestershire

176 g CO2/km comb. - 374 HP (275 kW) - 7.7 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2022 Sedan

(2022) BMW M340 M Sport 374 HP

Good price

You save £2,151

WD19 4HX Hertfordshire, Hertfordshire

176 g CO2/km comb. - 374 HP (275 kW) - 7.7 Mpg

-1%

1 / 4

Used (2023) BMW M340 M Sport 369 HP | Good price

3 Series i xDrive Saloon 3.0

2023
23,405 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 183 g CO2/km comb.
34.9 mpg
Details

Good price

£40,399

£40,999

Bmw.co.uk

CW1 6XH Cheshire East, Cheshire

-10%

1 / 4

Used (2021) BMW M340 M Sport 374 HP | Super price

3 Series i xDrive MHT 4dr Step

2021
78,359 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
7.7 mpg
Details

Super price

£23,500

£26,400

Motors.co.uk

WA2 8JH Warrington, Cheshire

-3%

1 / 4

Used (2025) BMW M340 M Sport 369 HP | Good price

3 Series i xDrive Touring 3.0

2025
10,745 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 187 g CO2/km comb.
34 mpg
Details

Good price

£51,000

£52,990

Bmw.co.uk

HP23 Hertfordshire, Hertfordshire

-3%

1 / 4

Used (2025) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2025
4,828 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Super price

£49,800

£51,811

Bmw.co.uk

KT6 5QQ Long Ditton, Surrey

-8%

1 / 4

Used (2023) BMW M340 M Sport 374 HP | Super price

3 Series i xDrive Touring 3.0

Apr 2023
23,562 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 187 g CO2/km comb.
34 mpg
Details

Super price

£40,995

£44,995

Bmw.co.uk

CB23 6EF Cambourne, Cambridgeshire

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Carwow Leasing

New BMW M340 M Sport 392 HP (288 kW) 2026 Sedan

(2026) BMW M340 M Sport 392 HP

Good price

You save £2,250

159 g CO2/km comb. - 392 HP (288 kW) - 6.9 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2020 Blue Sedan

(2020) BMW M340 M Sport 374 HP

Fair price

Estimated price £29,566

WR9 7DZ Worcestershire, Worcestershire

191 g CO2/km comb. - 374 HP (275 kW) - 8.4 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2022 Sedan

(2022) BMW M340 M Sport 374 HP

Good price

You save £1,730

176 g CO2/km comb. - 374 HP (275 kW) - 7.7 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

Showing 1 - 25 of 229 results

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