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Mercedes GLS400 with automatic • 21 cars with Valuation

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Used Audi Q8 Advanced 600 HP (441 kW) 2020 Black SUV
Automatic
(2020) Audi Q8 Advanced 600 HP
£64,520

Super price

You save £5,980
BB1 3NU Lancashire, Lancashire

303 g CO2/km comb. - 600 HP (441 kW) - 21.1 Mpg

Carwow-used-VIP

Used Audi Q8 600 HP (441 kW) 2023 Silver SUV
Automatic
(2023) Audi Q8 600 HP
£65,700

Super price

You save £7,300
M17 1PZ Stretford, Manchester

305 g CO2/km comb. - 600 HP (441 kW) - 13.3 Mpg

Carwow-used-non-VIP

Used BMW X7 Comfort Edition 530 HP (389 kW) 2022 Black SUV
Automatic
(2022) BMW X7 Comfort Edition 530 HP
£52,100

Super price

You save £7,200
CM1 3BH Essex, Essex

284 g CO2/km comb. - 530 HP (389 kW) - 12.1 Mpg

Carwow-used-non-VIP

Used Audi Q8 Comfort 600 HP (441 kW) 2022 Black SUV
Automatic
(2022) Audi Q8 Comfort 600 HP
£67,650

Super price

You save £4,050
CM1 3BH Essex, Essex

305 g CO2/km comb. - 600 HP (441 kW) - 21.1 Mpg

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Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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Used Mercedes G350 245 HP (180 kW) 2016 Black SUV
Automatic
(2016) Mercedes G350 245 HP
£53,989

Fair price

You save £1,711
UB7 0LW Harmondsworth, London

261 g CO2/km comb. - 245 HP (180 kW) - 9.9 Mpg

Carwow-used-non-VIP

Used BMW X7 M Sport 352 HP (258 kW) 2023 Black SUV
Automatic
(2023) BMW X7 M Sport 352 HP
£64,975

Fair price

Estimated price £63,923
BL9 9ST Blackford Bridge, Manchester

212 g CO2/km comb. - 352 HP (258 kW) - 7.7 Mpg

Carwow-used-non-VIP

Used BMW X7 M Sport 352 HP (258 kW) 2023 Black SUV
Automatic
(2023) BMW X7 M Sport 352 HP
£56,200

Fair price

Estimated price £55,365
CM1 3BH Essex, Essex

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

Carwow-used-non-VIP

Used BMW X5 M Competition Edition 625 HP (459 kW) 2020 Black SUV
Automatic
(2020) BMW X5 M Competition Edition 625 HP
£53,990

Super price

You save £4,710
TA6 6DD Somerset, Somerset

304 g CO2/km comb. - 625 HP (459 kW) - 21.0 Mpg

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Used BMW X6 M Competition Edition 625 HP (459 kW) 2022 Tanzanite blue SUV
Automatic
(2022) BMW X6 M Competition Edition 625 HP
£67,650

Fair price

You save £450
CM1 3BH Essex, Essex

301 g CO2/km comb. - 625 HP (459 kW) - 12.7 Mpg

Carwow-used-non-VIP

Used BMW X7 M Sport 340 HP (250 kW) 2022 S ametrine metallic SUV
Automatic
(2022) BMW X7 M Sport 340 HP
£52,947

Good price

You save £1,853
WC1E 7DP Greater London, London

204 g CO2/km comb. - 340 HP (250 kW) - 36.0 Mpg

Carwow-used-non-VIP

Used BMW X7 M Sport 352 HP (258 kW) 2023 Blue SUV
Automatic
(2023) BMW X7 M Sport 352 HP
£62,990

Fair price

You save £410
TN12 5HD East Peckham, Kent

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

Carwow

Used BMW X7 M Sport 352 HP (258 kW) 2025 Black SUV
Automatic
(2025) BMW X7 M Sport 352 HP
£68,200

Super price

You save £4,300
CM1 3BH Essex, Essex

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

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Used BMW X7 Comfort Edition 530 HP (389 kW) 2022 Carbon black SUV
Automatic
(2022) BMW X7 Comfort Edition 530 HP
£52,100

Super price

You save £5,300
CM1 3BH Essex, Essex

284 g CO2/km comb. - 530 HP (389 kW) - 12.1 Mpg

Carwow

Used Audi Q8 Black Edition 286 HP (210 kW) 2023 Silver SUV
Automatic
(2023) Audi Q8 Black Edition 286 HP
£48,690

Fair price

Estimated price £48,366
SS2 5RU Southend-On-Sea, Essex

217 g CO2/km comb. - 286 HP (210 kW) - 8.0 Mpg

Carwow

Used BMW X7 M Sport 340 HP (250 kW) 2021 Black SUV
Automatic
(2021) BMW X7 M Sport 340 HP
£48,475

Fair price

You save £1,025
BL9 9ST Blackford Bridge, Manchester

204 g CO2/km comb. - 340 HP (250 kW) - 7.8 Mpg

Carwow-used-VIP

Used Audi SQ7 Comfort 507 HP (372 kW) 2020 Red SUV
Automatic
(2020) Audi SQ7 Comfort 507 HP
£46,489

Good price

You save £2,111
UB7 0LW Harmondsworth, London

277 g CO2/km comb. - 507 HP (372 kW) - 12.0 Mpg

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Used Audi Q8 Black Edition 286 HP (210 kW) 2021 Black SUV
Automatic
(2021) Audi Q8 Black Edition 286 HP
£41,990

Fair price

Estimated price £40,663
CM5 0ER Magdalen Laver, Essex

219 g CO2/km comb. - 286 HP (210 kW) - 8.1 Mpg

Carwow-used-VIP

Used BMW X7 M Sport 352 HP (258 kW) 2025 Black SUV
Automatic
(2025) BMW X7 M Sport 352 HP
£71,000

Good price

You save £3,300
CM1 3BH Essex, Essex

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

Carwow-used-non-VIP

Used BMW X7 M Sport 352 HP (258 kW) 2024 Grey SUV
Automatic
(2024) BMW X7 M Sport 352 HP
£69,975

Fair price

Estimated price £69,636
BL9 9ST Blackford Bridge, Manchester

212 g CO2/km comb. - 352 HP (258 kW) - 7.7 Mpg

Carwow-used-non-VIP

Used Audi Q8 Advanced 600 HP (441 kW) 2023 Black SUV
Automatic
(2023) Audi Q8 Advanced 600 HP
£76,650

Good price

You save £2,350
CM1 3BH Essex, Essex

303 g CO2/km comb. - 600 HP (441 kW) - 21.1 Mpg

Showing 1 - 22 of 22 results

How much does a used Mercedes GLS400 cost? Prices, ratings and depreciation by model year

How much does a used Mercedes GLS400 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2023 Mercedes GLS400

£56,350 - £63,494£59,36147,300 miles-< 10

2022 Mercedes GLS400

£54,180 - £65,990£59,16635,000 miles-< 10

2021 Mercedes GLS400

£53,649 - £54,990£54,49331,900 miles-< 10

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 1 August 2026

Comparison of Mercedes GLS400 variants and prices

Below you can compare prices and depreciation for the 4 most popular Mercedes GLS400 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of Mercedes GLS400 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

Mercedes GLS400 Executive

£54,454 - £65,587£60,05735,000 miles-< 10
🏆 The most popular

Mercedes GLS400 Night

£54,485 - £60,874£57,66641,100 miles-£4,300< 10

Mercedes GLS400 AMG Line Premium Plus

£48,389 - £54,690£51,65638,500 miles-< 10
💰 The budget choice

Mercedes GLS400 AMG line

£41,449 - £62,834£48,98370,500 miles-< 10

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 1 August 2026

Which variant should you choose?

💰 The budget choice

The AMG line is the cheapest entry point with an average price of £48,983.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most Night for sale right now (7), which gives you the most options to choose from.

Accuracy will improve as more cars from this variant become available

📈 The best value

The Night has held its price stable with minimal loss in value over the past year (-£4,300).

Accuracy will improve as more cars from this variant become available

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

See Mercedes GLS400