BMW M340 (saloon) • 384 cars with Valuation

Market overview: BMW M340 (saloon). 384 for sale. Prices from £28,000. Is the price Good, Fair or Expensive? See the analysis for each car here.

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Sedan

(2021) BMW M340 M Performance 340 HP

£35,490

Fair price

Estimated price £34,045

BD21 4DH West Yorkshire, West Yorkshire

165 g CO2/km comb. - 340 HP (250 kW) - 6.3 Mpg

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Sedan

(2022) BMW M340 M Sport 374 HP

£33,949

Fair price

Estimated price £33,067

WD19 4HX Hertfordshire, Hertfordshire

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

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Sedan

(2021) BMW M340 M Sport 374 HP

£36,249

Fair price

Estimated price £35,923

WD19 4HY Hertfordshire, Hertfordshire

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

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Sedan

(2020) BMW M340 Performance 374 HP

£31,822

Good price

You save £2,278

YO304WR, North Yorkshire

185 g CO2/km comb. - 374 HP (275 kW) - 34.9 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-24%

1 / 4

Used (2020) BMW M340 Performance 374 HP | Good price

3 Series i xDrive Saloon 3.0

Jun 2020
35,648 miles
Trim level: Performance
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 185 g CO2/km comb.
mpg: 34.9
Details

Good price

£31,822

£41,950

YO304WR, North Yorkshire

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1 / 3

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

3 Series i xDrive MHT 4dr Step

2021
50,238 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
mpg: 7.7
Details

Good price

£29,900

WD3 3RT Croxley Green, Hertfordshire

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1 / 4

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

- 3 Series Touring i xDrive MHT

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

Good price

£58,998

RM30GX

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Availability verified

-3%

1 / 4

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

- 3 Series Touring i xDrive MHT

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

Super price

£52,950

£54,950

NG72AX

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Sedan

(2022) BMW M340 M Sport 374 HP

£31,500

Fair price

Estimated price £30,729

CM1 3BH Essex, Essex

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

Carwow

Sedan

(2025) BMW M340 M Sport 374 HP

£47,990

Fair price

You save £1,610

TA66DD

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

Carwow Leasing

Sedan

(2025) BMW M340 M Sport 374 HP

£59,980

Fair price

You save £1,220

S92RQ

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

Carwow Leasing

Sedan

(2025) BMW M340 M Sport 374 HP

£62,065

Fair price

Estimated price £61,158

B78 3HG Staffordshire, Staffordshire

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

-4%

1 / 4

Used (2021) BMW M340 M Sport 374 HP | Good 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.
mpg: 7.7
Details

Good price

£25,300

£26,400

WS11 1SL Staffordshire, Staffordshire

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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.
mpg: 6.9
Details

Good price

£58,850

S92RQ

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Availability verified

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.
mpg: 6.9
Details

Good price

£59,500

S92RQ

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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.
mpg: 6.9
Details

Good price

£60,000

S92RQ

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Availability verified

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.
mpg: 6.9
Details

Good price

£59,000

S92RQ

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Availability verified

1 / 1

New (2026) BMW M340 M Sport 392 HP | Super 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.
mpg: 6.9
Details

Super price

£57,250

S92RQ

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Carwow Leasing

Sedan

(2026) BMW M340 M Sport 392 HP

£60,000

Good price

You save £2,700

S92RQ

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

Carwow Leasing

Sedan

(2025) BMW M340 M Sport 374 HP

£52,950

Super price

You save £6,850

NG72AX

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

Carwow

Sedan

(2021) BMW M340 M Sport 374 HP

£29,900

Good price

You save £1,600

WD3 3RT Croxley Green, Hertfordshire

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

Carwow

Sedan

(2024) BMW M340 Comfort Edition 340 HP

£52,780

Fair price

Estimated price £51,425

YO304WR, North Yorkshire

163 g CO2/km comb. - 340 HP (250 kW) - 46.0 Mpg

New (2026) BMW M340 M Sport 392 HP | Super 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.
mpg: 6.9
Details

Super price

£57,700

S92RQ

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Availability verified

1 / 4

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

- 3 Series Touring i xDrive MHT

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

Good price

£58,850

S92RQ

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Availability verified

1 / 4

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

- 3 Series Touring i xDrive MHT

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

Super price

£56,000

S92RQ

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Availability verified

-6%

1 / 3

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

3 Series 3.0 i MHT Saloon 4dr

2021
55,500 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
374 HP (275 kW)
Details

Good price

£28,995

£30,995

Exchange and Mart

SN5 8WQ Swindon, Wiltshire

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-22%

1 / 4

Used (2022) BMW M340 Comfort Edition 374 HP | Good price

i xDrive Saloon

2022
26,504 miles
Trim level: Comfort Edition
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
mpg: 36.7
Details

Good price

£34,000

£43,888

Bmw.co.uk

CV5 8NA West Midlands, West Midlands

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-4%

1 / 4

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

3 Series i xDrive Touring 3.0

2025
7,259 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 188 g CO2/km comb.
mpg: 34
Details

Super price

£51,699

£53,999

Bmw.co.uk

CH1 4LS Chester, Cheshire

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New

1 / 4

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

3 Series i xDrive Saloon 3.0

2023
19,400 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
mpg: 34.9
Details

Super price

£41,490

£40,990

Bmw.co.uk

BB8 9NP Lancashire, Lancashire

View the car

New

Used (2024) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2024
20,885 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 183 g CO2/km comb.
mpg: 34.9
Details

Super price

£44,000

£40,000

Bmw.co.uk

S9 2RQ South Yorkshire, South Yorkshire

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-5%

1 / 4

Used (2022) BMW M340 M Sport 369 HP | Good price

3 Series Touring i xDrive MHT 5dr

2022
15,898 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
369 HP (271 kW)
Details

Good price

£37,924

£40,059

Buyacar

Delivered to you

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1 / 4

Used (2021) BMW M340 Comfort Edition 340 HP | Super price

3 Series 3.0 xDrive Saloon

2021
40,998 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
340 HP (250 kW)
Details

Super price

£29,992

£28,495

Motors.co.uk

BD2 4SE West Yorkshire, West Yorkshire

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Sedan

(2025) BMW M340 M Sport 374 HP

£56,000

Super price

You save £5,200

S92RQ

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

Carwow Leasing

Sedan

(2026) BMW M340 M Sport 392 HP

£58,850

Good price

You save £3,850

S92RQ

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

Carwow Leasing

Sedan

(2025) BMW M340 M Sport 374 HP

£58,998

Good price

You save £2,202

RM30GX

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

Carwow

Sedan

(2024) BMW M340 Impressive 340 HP

£47,450

Fair price

You save £1,150

WC1E 7DP Greater London, London

163 g CO2/km comb. - 340 HP (250 kW) - 46.0 Mpg

-13%

1 / 3

Used (2022) BMW M340 Shadowline 335 HP | Super price

3 SeriesxDrive Saloon 3.0 4dr

2022
51,655 miles
Trim level: Shadowline
3.0L Diesel
Sedan
Automatic
335 HP (246 kW)
CO2 emissions: 160 g CO2/km comb.
mpg: 46.3
Details

Super price

£29,290

£33,995

Bmw.co.uk

ME20 7XB Quarry Wood, Kent

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-2%

1 / 4

Used (2022) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2022
26,131 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 176 g CO2/km comb.
mpg: 36.7
Details

Super price

£34,380

£35,213

Bmw.co.uk

PE4 5HW Peterborough, Cambridgeshire

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

3 Series i xDrive Saloon 3.0

2025
4,960 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
mpg: 34.9
Details

Super price

£49,950

£50,450

Bmw.co.uk

HR1 1LN Herefordshire, Herefordshire

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1 / 4

Used (2022) BMW M340 M Sport 369 HP | Good price

3 Series i xDrive Saloon 3.0

2022
27,500 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 178 g CO2/km comb.
mpg: 36.2
Details

Good price

£39,000

£38,000

Bmw.co.uk

IG10 3UE Essex, Essex

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-17%

Used (2023) BMW M340 Comfort Edition 335 HP | Good price

3 SeriesxDrive Saloon 3.0 4dr

2023
24,838 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
335 HP (246 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 46.3
Details

Good price

£41,450

£49,950

Bmw.co.uk

WR4 9FA Worcestershire, Worcestershire

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Sedan

(2025) BMW M340 M Sport 374 HP

£58,850

Good price

You save £2,350

S92RQ

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

Carwow Leasing

Sedan

(2026) BMW M340 M Sport 392 HP

£57,250

Super price

You save £5,850

S92RQ

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

Carwow

Sedan

(2021) BMW M340 M Sport 374 HP

£25,300

Good price

You save £2,200

WS11 1SL Staffordshire, Staffordshire

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

Carwow

Sedan

(2022) Mercedes E53 AMG Edition 435 HP

£39,989

Fair price

Estimated price £38,829

UB7 0LW Harmondsworth, London

215 g CO2/km comb. - 435 HP (319 kW) - 9.2 Mpg

Showing 1 - 25 of 394 results

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BMW M340 (383)