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2023 Mercedes GLS400 • Compare 4 used cars with valuation

Market overview: Price Analysis (October-2026): A used 2023 Mercedes GLS400 typically costs between £53,903 and £59,975 • On average, used 2023 Mercedes GLS400 cars have covered 37,766 miles – with a few high-mileage examples reaching up to 44,184 miles • Depreciation and price trends over the last 12 months for the 2023 Mercedes GLS400 stand at £0.

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Used Mercedes GLS400 AMG line 330 HP (242 kW) 2021 White SUV

(2021) Mercedes GLS400 AMG line 330 HP

Fair price

Estimated price £50,357

RM20 3WJ Thurrock, Essex

232 g CO2/km comb. - 330 HP (242 kW) - 8.6 Mpg

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Used Mercedes GLS400 Night 330 HP (242 kW) 2022 White SUV

(2022) Mercedes GLS400 Night 330 HP

Fair price

You save £1,470

WS11 8LX Great Wyrley, Staffordshire

230 g CO2/km comb. - 330 HP (242 kW) - 8.8 Mpg

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Used Mercedes GLS400 Edition 330 HP (242 kW) 2022 Black SUV

(2022) Mercedes GLS400 Edition 330 HP

Fair price

SL1 5PR Berkshire, Berkshire

230 g CO2/km comb. - 330 HP (242 kW) - 8.8 Mpg

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Used (2023) Mercedes GLS400 Executive | Good price

GLS 2.9 Night Edition (Executive)

2023
39,563 miles
Trim level: Executive
2.9L Diesel
SUV
Automatic
Details

Good price

£57,025

£57,595

Dealer

London, London

-3%

1 / 4

Used (2023) Mercedes GLS400 Night 330 HP | Good price

4Matic Night Ed Exec 5dr 9G-Tr

2023
38,000 miles
Trim level: Night
3.0L Diesel
SUV
Automatic
330 HP (242 kW)
CO2 emissions: 230 g CO2/km comb.
Details

Good price

£56,300

£58,300

Dealer

PO19 7TF West Sussex, West Sussex

-1%

1 / 4

Used (2023) Mercedes GLS400 Edition | Fair price

GLS Class 2.9 Night Edition

2023
45,000 miles
Trim level: Edition
2.9L Diesel
SUV
Automatic
Details

Fair price

£53,480

£54,480

Exchange and Mart

Nottinghamshire, Nottinghamshire

-1%

1 / 4

Used (2023) Mercedes GLS400 Executive

Class Night Edition Executive D

2023
28,500 miles
Trim level: Executive
Diesel
SUV
Automatic
Details

£60,495

£61,595

Not evaluated

Exchange and Mart

Surrey, Surrey

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Used BMW X7 M Sport 381 HP (280 kW) 2024 Black SUV

(2024) BMW X7 M Sport 381 HP

Fair price

Estimated price £56,275

HG3 1LG Pannal, North Yorkshire

219 g CO2/km comb. - 381 HP (280 kW) - 28.5 Mpg

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Used BMW X7 M Sport 352 HP (258 kW) 2025 Black SUV

(2025) BMW X7 M Sport 352 HP

Fair price

You save £1,500

CM1 3BH Essex, Essex

211 g CO2/km comb. - 352 HP (258 kW) - 8.0 Mpg

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Used BMW X5 M Competition Edition 625 HP (459 kW) 2022 Blue SUV

(2022) BMW X5 M Competition Edition 625 HP

Fair price

LS12 6DL West Yorkshire, West Yorkshire

304 g CO2/km comb. - 625 HP (459 kW) - 20.9 Mpg

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Used BMW X7 M Sport 381 HP (280 kW) 2024 Grey SUV

(2024) BMW X7 M Sport 381 HP

Good price

You save £3,210

DN2 4SR South Yorkshire, South Yorkshire

219 g CO2/km comb. - 381 HP (280 kW) - 28.8 Mpg

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