Mercedes G450 (diesel) • 13 cars with Valuation

Market overview: Diesel Mercedes G450 (June-2026): There are currently 13 used diesel Mercedes G450 cars for sale. Prices range from £138,450 to £165,995, with a median price of £149,373. AutoUncle has identified 4 cars as being offered below market price. The typical selling time for a diesel Mercedes G450 is approximately 38 days, and 45.5% of the listings have recently been reduced in price (Source: AutoUncle market data, June-2026).

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Used Mercedes G450 AMG Line Premium Plus 367 HP (269 kW) 2025 Black SUV

(2025) Mercedes G450 AMG Line Premium Plus 367 HP

Fair price

Estimated price £148,258

WC1E 7DP Greater London, London

234 g CO2/km comb. - 367 HP (269 kW) - 31.0 Mpg

Carwow

Used Mercedes G400 AMG Line Premium Plus 330 HP (242 kW) 2023 Black SUV

(2023) Mercedes G400 AMG Line Premium Plus 330 HP

Fair price

You save £1,000

CM1 3BH Essex, Essex

289 g CO2/km comb. - 330 HP (242 kW) - 10.9 Mpg

Carwow Leasing

New Mercedes GLS450 Business 367 HP (269 kW) 2025 SUV

(2025) Mercedes GLS450 Business 367 HP

Fair price

Estimated price £114,834

LE111QB, Leicestershire

223 g CO2/km comb. - 367 HP (269 kW) - 8.5 Mpg

Carwow Leasing

New Mercedes GLS450 Business 367 HP (269 kW) 2025 SUV

(2025) Mercedes GLS450 Business 367 HP

Fair price

You save £1,380

223 g CO2/km comb. - 367 HP (269 kW) - 8.5 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-5%

1 / 4

Used (2025) Mercedes G450 AMG Line Premium Plus 367 HP | Good price

AMG Line Premium Plus 5dr

Apr 2025
10,170 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
367 HP (269 kW)
CO2 emissions: 235 g CO2/km comb.
Details

Good price

£139,490

£146,990

Dealer

Stevenage, Hertfordshire

1 / 4

Used (2024) Mercedes G450 AMG Line Premium Plus | Super price

AMG Line Premium Plus 5dr

2024
15,100 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
31.7 mpg
Details

Super price

£139,995

Motors.co.uk

SN3 4PN Swindon, Wiltshire

-2%

1 / 4

Used (2025) Mercedes G450 AMG Line Premium Plus 382 HP | Good price

AMG Line Premium Plus 5dr

2025
7,810 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
382 HP (280 kW)
Details

Good price

£144,990

£147,990

Motors.co.uk

DE21 6EN Derby, Derbyshire

-6%

1 / 4

Used (2025) Mercedes G450 AMG Line Premium Plus 382 HP | Good price

AMG Line Premium Plus 5dr

2025
14,004 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
382 HP (280 kW)
31.4 mpg
Details

Good price

£139,995

£148,995

Parkers.co.uk

WN3 4BT Greater Manchester, Manchester

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Carwow Leasing

New Mercedes GLS450 Business 367 HP (269 kW) 2025 SUV

(2025) Mercedes GLS450 Business 367 HP

Fair price

Estimated price £114,834

CV34LA, West Midlands

223 g CO2/km comb. - 367 HP (269 kW) - 8.5 Mpg

Carwow Leasing

New Mercedes GLS450 AMG Line Premium Plus 367 HP (269 kW) 2025 SUV

(2025) Mercedes GLS450 AMG Line Premium Plus 367 HP

Fair price

You save £1,380

LS126EE, West Yorkshire

222 g CO2/km comb. - 367 HP (269 kW) - 8.4 Mpg

Carwow Leasing

New Mercedes V300 Marco Polo 237 HP (174 kW) 2025 MPV

(2025) Mercedes V300 Marco Polo 237 HP

Fair price

Estimated price £98,952

S417JB, Derbyshire

206 g CO2/km comb. - 237 HP (174 kW) - 7.8 Mpg

Carwow

Used Mercedes G450 AMG Line Premium Plus 367 HP (269 kW) 2025 Black SUV

(2025) Mercedes G450 AMG Line Premium Plus 367 HP

Fair price

Estimated price £148,258

WC1E 7DP Greater London, London

234 g CO2/km comb. - 367 HP (269 kW) - 31.0 Mpg

-7%

1 / 3

Used (2025) Mercedes G450 AMG Line Premium Plus 367 HP | Fair price

AMG Line Premium Plus 5dr

Sep 2025
8,557 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
367 HP (269 kW)
CO2 emissions: 234 g CO2/km comb.
31 mpg
Details

Fair price

£148,750

£160,000

WC1E 7DP Greater London, London

Availability verified

New

1 / 4

Used (2025) Mercedes G450 AMG Line Premium Plus | Fair price

3.0D AMG Line Premium Plus 4Matic

2025
4,741 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
31.7 mpg
Details

Fair price

£154,990

Parkers.co.uk

TS5 7AB Middlesbrough, North Yorkshire

1 / 4

Used (2025) Mercedes G450 AMG Line Premium Plus 367 HP | Fair price

AMG Line Premium Plus 5dr

2025
12,000 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
367 HP (269 kW)
31.4 mpg
Details

Fair price

£149,995

Parkers.co.uk

DY8 3TB West Midlands, West Midlands

1 / 4

Used (2025) Mercedes G450 AMG Line Premium Plus 367 HP | Fair price

AMG Line Premium Plus 5dr

Sep 2025
3,299 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
367 HP (269 kW)
CO2 emissions: 235 g CO2/km comb.
Details

Fair price

£149,995

Dealer

Nottingham, Nottinghamshire

1 / 4

New (2025) Mercedes G450 AMG Line Premium Plus | A bit pricey

AMG Line Premium Plus 5dr

2025
900 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
31.4 mpg
Details

A bit pricey

£159,989

Parkers.co.uk

YO26 8EQ Green Hammerton, North Yorkshire

1 / 4

Used (2025) Mercedes G450 AMG Line Premium Plus | Expensive

AMG Line Premium Plus 5dr

2025
9,043 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
31.7 mpg
Details

Expensive

£159,990

Parkers.co.uk

TS5 7AB Middlesbrough, North Yorkshire

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Used Mercedes G400 AMG Line Premium Plus 330 HP (242 kW) 2023 Black SUV

(2023) Mercedes G400 AMG Line Premium Plus 330 HP

Fair price

You save £1,000

CM1 3BH Essex, Essex

289 g CO2/km comb. - 330 HP (242 kW) - 10.9 Mpg

Carwow Leasing

New Mercedes GLS450 Business 367 HP (269 kW) 2025 SUV

(2025) Mercedes GLS450 Business 367 HP

Fair price

Estimated price £114,834

LE111QB, Leicestershire

223 g CO2/km comb. - 367 HP (269 kW) - 8.5 Mpg

Carwow Leasing

New Mercedes GLS450 Business 367 HP (269 kW) 2025 SUV

(2025) Mercedes GLS450 Business 367 HP

Fair price

You save £1,380

223 g CO2/km comb. - 367 HP (269 kW) - 8.5 Mpg

Carwow Leasing

New Mercedes GLS450 Business 367 HP (269 kW) 2025 SUV

(2025) Mercedes GLS450 Business 367 HP

Fair price

Estimated price £114,834

CV34LA, West Midlands

223 g CO2/km comb. - 367 HP (269 kW) - 8.5 Mpg

-12%

1 / 4

Used (2025) Mercedes G450 AMG Line Premium Plus 367 HP

AMG Line Premium Plus 5dr

Jul 2025
3,360 miles
Trim level: AMG Line Premium Plus
3.0L Diesel
SUV
Automatic
367 HP (269 kW)
CO2 emissions: 235 g CO2/km comb.
Details

£138,450

£157,395

Not evaluated

Dealer

Derby, Derbyshire

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New Land Rover Range Rover Autobiography 300 HP (220 kW) 2026 SUV

(2026) Land Rover Range Rover Autobiography 300 HP

Fair price

You save £1,609

E14 Greater London, London

198 g CO2/km comb. - 300 HP (220 kW) - 7.5 Mpg

Carwow Leasing

New Land Rover Range Rover Autobiography 349 HP (256 kW) 2025 SUV

(2025) Land Rover Range Rover Autobiography 349 HP

Fair price

Estimated price £121,345

BA22 8RT Somerset, Somerset

197 g CO2/km comb. - 349 HP (256 kW) - 7.5 Mpg

Carwow Leasing

New Land Rover Range Rover Autobiography 349 HP (256 kW) 2025 SUV

(2025) Land Rover Range Rover Autobiography 349 HP

Fair price

Estimated price £120,721

EX2 8FN Matford, Devon

197 g CO2/km comb. - 349 HP (256 kW) - 7.5 Mpg

Carwow Leasing

New Land Rover Range Rover Autobiography 349 HP (256 kW) 2026 SUV

(2026) Land Rover Range Rover Autobiography 349 HP

Good price

You save £3,310

NG2 Nottingham, Nottinghamshire

200 g CO2/km comb. - 349 HP (256 kW) - 7.6 Mpg

Showing 1 - 11 of 11 results

Price checked by AutoUncle

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See Mercedes G450

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