2023 BMW M340 • Compare 42 used cars with valuation

Market overview: March-2026 Price Analysis: A used BMW M340 from 2023 currently costs between £37,639 and £51,990. On average, the mileage for this year stands at 25,451 miles. The depreciation and price trend over the last 12 months is £840.

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Carwow

2023

(2023) BMW M340 Shadowline 340 HP

£41,995

Super price

You save £3,605

WC1E 7DP Greater London, London

159 g CO2/km comb. - 340 HP (250 kW) - 46.3 Mpg

Carwow

2025

(2025) BMW M340 M Sport 374 HP

£46,995

Good price

You save £1,805

EX2 8FD Marsh Barton, Devon

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

Carwow

2024

(2024) BMW M340 340 HP

£40,695

Fair price

Estimated price £40,329

SO53 3YU Cross Rise, Hampshire

163 g CO2/km comb. - 340 HP (250 kW) - 6.1 Mpg

Carwow Leasing

2025

(2025) BMW M340 M Sport 374 HP

£62,065

Good price

You save £2,635

B78 3HG Staffordshire, Staffordshire

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

1 / 4

Used (2023) BMW M340 Shadowline 340 HP | Super price

3 Series xDrive Saloon 3.0 4dr

2023
6,525 miles
Trim level: Shadowline
3.0L Diesel
Sedan
Automatic
340 HP (250 kW)
mpg: 46.3
CO2: 159 g CO2/km comb.
Details

Super price

£41,995

WC1E 7DP Greater London, London

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-25%

1 / 4

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

3 Series i xDrive Saloon 3.0

2023
37,942 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
mpg: 34.9
CO2: 183 g CO2/km comb.
Details

Good price

£39,990

£53,991

Bmw.co.uk

SS9 4XX Southend-On-Sea, Essex

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1 / 4

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

3 Series xDrive Saloon 3.0 4dr

2023
23,219 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
335 HP (246 kW)
mpg: 46.3
CO2: 160 g CO2/km comb.
Details

Super price

£38,500

£37,500

Bmw.co.uk

NP20 2DS Newport, Gwent

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-4%

1 / 3

Used (2023) BMW M340 Shadowline 335 HP | Super price

3 Series xDrive Saloon 3.0 4dr

2023
20,150 miles
Trim level: Shadowline
3.0L Diesel
Sedan
Automatic
335 HP (246 kW)
mpg: 46.3
CO2: 159 g CO2/km comb.
Details

Super price

£39,990

£41,995

Bmw.co.uk

MK15 0DQ Milton Keynes, Buckinghamshire

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Carwow

2021

(2021) BMW M340 M Performance 340 HP

£35,490

Fair price

Estimated price £34,080

BD21 4DH West Yorkshire, West Yorkshire

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

Carwow Leasing

2025

(2025) BMW M340 M Sport 374 HP

£59,980

Super price

You save £4,720

S92RQ

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

Carwow

2025

(2025) BMW M340 M Sport 374 HP

£37,639

Super price

You save £6,661

BA22 8RT Somerset, Somerset

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

Carwow

2022

(2022) BMW M340 M Sport 374 HP

£34,249

Fair price

Estimated price £33,929

WD19 4HX Hertfordshire, Hertfordshire

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

-1%

1 / 4

Used (2023) BMW M340 Shadowline 335 HP | Super price

3 Series xDrive Saloon 3.0 4dr

2023
23,918 miles
Trim level: Shadowline
3.0L Diesel
Sedan
Automatic
335 HP (246 kW)
mpg: 46.3
CO2: 160 g CO2/km comb.
Details

Super price

£39,190

£39,950

Bmw.co.uk

HU9 1TQ Kingston Upon Hull, East Yorkshire

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1 / 4

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

3 Series i xDrive Saloon 3.0

2023
9,860 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
mpg: 34.9
CO2: 183 g CO2/km comb.
Details

Super price

£43,765

£43,991

Bmw.co.uk

DE21 Derby, Derbyshire

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1 / 4

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

3 Series i xDrive Saloon 3.0

2023
19,646 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
mpg: 34.9
CO2: 183 g CO2/km comb.
Details

Good price

£42,495

Bmw.co.uk

SK4 2JZ Greater Manchester, Manchester

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-1%

1 / 4

Used (2023) BMW M340 Shadowline 335 HP | Super price

3 Series xDrive Saloon 3.0 4dr

2023
42,506 miles
Trim level: Shadowline
3.0L Diesel
Sedan
Automatic
335 HP (246 kW)
mpg: 46.3
CO2: 159 g CO2/km comb.
Details

Super price

£35,990

£36,490

Honestjohn

WC1E 7DP Greater London, London

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1 / 4

Used (2023) BMW M340 M Sport 368 HP | Super price

3 Series i xDrive MHT 4dr Step

2023
38,703 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
368 HP (270 kW)
Details

Super price

£37,639

£37,496

Honestjohn

WC1E 7DP Greater London, London

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-19%

1 / 3

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

3 Series i xDrive MHT 4dr Step

2023
38,703 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
mpg: 35.0
CO2: 182 g CO2/km comb.
Details

Good price

£37,639

£46,695

Bmw.co.uk

BA22 8RT Somerset, Somerset

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Carwow Leasing

2025

(2025) BMW M340 M Sport 374 HP

£58,850

Super price

You save £5,850

S92RQ

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

Carwow

2021

(2021) BMW M340 M Sport 374 HP

£36,749

Fair price

Estimated price £36,476

WD19 4HY Hertfordshire, Hertfordshire

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

Carwow

2022

(2022) BMW M340 M Sport 340 HP

£29,670

Super price

You save £5,530

CF118UT, South Glamorgan

160 g CO2/km comb. - 340 HP (250 kW) - 6.1 Mpg

Carwow

2021

(2021) BMW M340 M Sport 374 HP

£29,100

Good price

You save £2,700

S60 5BD Catcliffe, South Yorkshire

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

-4%

Used (2023) BMW M340 Comfort Edition | Super price

3 Series 3.0 xDrive MHEV Auto 4WD

2023
54,217 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
Details

Super price

£35,490

£36,990

Exchange and Mart

Lancashire, Lancashire

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-10%

1 / 4

Used (2023) BMW M340 Comfort Edition 374 HP | Fair price

3 Series i xDrive Saloon 3.0

2023
16,498 miles
Trim level: Comfort Edition
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
mpg: 34.9
CO2: 183 g CO2/km comb.
Details

Fair price

£43,000

£48,000

Bmw.co.uk

DN2 4SR South Yorkshire, South Yorkshire

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-5%

1 / 3

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

3 Series i xDrive Touring 3.0

2023
23,415 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
mpg: 33.6
CO2: 189 g CO2/km comb.
Details

Fair price

£45,300

£47,800

Bmw.co.uk

AB12 3EW Aberdeen, Aberdeen

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-7%

1 / 4

Used (2023) BMW M340 M Sport 368 HP | Fair price

3 Series Touring i xDrive MHT 5dr

2023
7,514 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
368 HP (270 kW)
Details

Fair price

£46,995

£50,995

Buyacar

Delivered to you

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-7%

1 / 3

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

3 Series i xDrive Touring 3.0

2023
7,514 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
mpg: 33.6
CO2: 189 g CO2/km comb.
Details

Fair price

£46,995

£50,995

Bmw.co.uk

EX2 8FD Marsh Barton, Devon

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-4%

1 / 4

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

3 Series xDrive Touring 3.0

2023
28,255 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
335 HP (246 kW)
mpg: 45.6
CO2: 163 g CO2/km comb.
Details

Fair price

£46,555

£48,999

Buyacar

Delivered to you

View the car

1 / 4

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

3 Series xDrive Touring 3.0

2023
63,161 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
335 HP (246 kW)
mpg: 44.8
CO2: 164 g CO2/km comb.
Details

Fair price

£39,000

Bmw.co.uk

WR4 9FA Worcestershire, Worcestershire

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1 / 4

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

3 Series i xDrive Touring 3.0

2023
18,000 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
mpg: 33.6
CO2: 189 g CO2/km comb.
Details

Fair price

£48,500

Bmw.co.uk

B78 3HG Staffordshire, Staffordshire

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-2%

1 / 4

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

3 Series SERIES i xDrive MHT 5dr

2023
34,789 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
mpg: 34.0
CO2: 188 g CO2/km comb.
Details

Fair price

£41,791

£42,991

Bmw.co.uk

DN35 Grimsby, Lincolnshire

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-6%

1 / 4

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

3 Series i xDrive Saloon 3.0

2023
21,850 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
mpg: 34.9
CO2: 182 g CO2/km comb.
Details

Fair price

£43,000

£45,800

Bmw.co.uk

SG1 2BE Hertfordshire, Hertfordshire

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Carwow

2021

(2021) BMW M340 M Sport 374 HP

£25,300

Good price

You save £2,600

WS11 1SL Staffordshire, Staffordshire

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

Carwow

2023

(2023) Audi TT RS Sport 400 HP

£43,499

Fair price

You save £1,701

PE32 1DD Pott Row, Norfolk

201 g CO2/km comb. - 400 HP (294 kW) - 8.9 Mpg

Carwow

2023

(2023) Mercedes E53 AMG Edition 435 HP

£39,750

Fair price

You save £1,050

WR9 7DZ Worcestershire, Worcestershire

218 g CO2/km comb. - 435 HP (319 kW) - 9.5 Mpg

Carwow

2023

(2023) Mercedes E53 AMG Edition 435 HP

£43,700

Fair price

Estimated price £42,576

CM1 3BH Essex, Essex

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

1 / 4

Used (2023) BMW M340 Comfort Edition | Fair price

3 Series xDrive MHT 4dr Step

2023
28,000 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
Details

Fair price

£42,990

Motors.co.uk

M24 2FD Middleton, Manchester

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-5%

1 / 4

Used (2023) BMW M340 M Sport 374 HP | A bit pricey

3 Series i xDrive Touring 3.0

Jul 2023
18,102 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
mpg: 34.0
CO2: 188 g CO2/km comb.
Details

A bit pricey

£46,980

£49,950

Dealer

CM2 5PG Springfield, Essex

View the car

-20%

1 / 3

Used (2023) BMW M340 M Sport 374 HP | A bit pricey

3 Series i xDrive Touring 3.0

2023
28,706 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
mpg: 33.6
CO2: 189 g CO2/km comb.
Details

A bit pricey

£44,800

£56,000

Bmw.co.uk

AB12 3EW Aberdeen, Aberdeen

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-5%

1 / 3

Used (2023) BMW M340 M Sport 368 HP | A bit pricey

3 Series Touring i xDrive MHT 5dr

2023
23,415 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
368 HP (270 kW)
Details

A bit pricey

£45,300

£47,800

Honestjohn

AB12 3EW Torry, Aberdeen

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-10%

1 / 3

Used (2023) BMW M340 M Sport 368 HP | A bit pricey

3 Series Touring i xDrive MHT 5dr

2023
29,304 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
368 HP (270 kW)
Details

A bit pricey

£44,800

£49,800

Buyacar

Delivered to you

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Carwow

2023

(2023) Mercedes C43 AMG Premium Plus 408 HP

£39,995

Fair price

You save £705

LL120DG

205 g CO2/km comb. - 408 HP (300 kW) - 9.1 Mpg

Carwow

2023

(2023) BMW M2 Shadowline 460 HP

£52,900

Fair price

Estimated price £51,736

TN12 5HD East Peckham, Kent

228 g CO2/km comb. - 460 HP (338 kW) - 28.0 Mpg

Carwow

2024

(2024) BMW M2 Comfort Edition 460 HP

£51,493

Fair price

Estimated price £50,995

SO53 3YU Cross Rise, Hampshire

220 g CO2/km comb. - 460 HP (338 kW) - 29.1 Mpg

Carwow

2023

(2023) Mercedes E53 AMG Edition 435 HP

£45,568

Fair price

You save £1,732

HP198BL

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

Showing 1 - 25 of 42 results

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