Compare prices on 15 used Mercedes G450 cars

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Super price

Good price

Fair price

A bit pricey

Expensive

-4%
1 / 4

Mercedes G450 AMG line 367 HP | Good price

9G-Tronic

£132,500£139,000

  • 2025
  • 14,401 miles
  • Diesel
  • Automatic
autouncle-certified

Good price

Details
below market
£2,700
price change
-4%
days listed
61

CM1 3BH Essex, Essex

1 / 1

Mercedes G450 AMG Line Premium Plus | Good price

AMG LINE PREMIUM PLUS 5DR

£142,880

  • 2025
  • 2,000 miles
  • Diesel
  • Automatic
autouncle-certified

Good price

Details
below market
£2,720
price change
0%
days listed
20

Dealer

London, London

1 / 1

Mercedes G450 AMG Line Premium Plus | Good price

AMG Line Premium Plus 5dr

£144,990

  • 2025
  • 4,142 miles
  • Diesel
  • Automatic
autouncle-certified

Good price

Details
below market
£2,910
price change
0%
days listed
35

Dealer

TS5 7AB Middlesbrough, North Yorkshire

-4%
1 / 4

Mercedes G450 AMG line 367 HP | Fair price

9G-Tronic

£138,995£145,990

  • 2025
  • 4,655 miles
  • Diesel
  • Automatic
autouncle-certified

Fair price

Details
below market
£2,005
price change
-4%
days listed
53

WF2 7UA West Yorkshire, West Yorkshire

-4%
1 / 4

Mercedes G450 AMG line 367 HP | Fair price

9G-Tronic

£145,990£152,990

  • 2026
  • 4,000 miles
  • Diesel
  • Automatic
autouncle-certified

Fair price

Details
price change
-4%
days listed
104

TN12 5HD East Peckham, Kent

-3%
1 / 4

Mercedes G450 AMG line 367 HP | Fair price

9G-Tronic

£145,990£151,990

  • 2026
  • 7,000 miles
  • Diesel
  • Automatic
autouncle-certified

Fair price

Details
price change
-3%
days listed
126

TN12 5HD East Peckham, Kent

1 / 1

Mercedes G450 AMG Line Premium Plus | Fair price

AMG Line Premium+ D MHEV Automatic

£145,990£146,990

  • 2026
  • 7,000 miles
  • Diesel
  • Automatic
autouncle-certified

Fair price

Details
price change
0%
days listed
34

Dealer

London, London

-1%
1 / 1

Mercedes G450 AMG Line Premium Plus | Fair price

AMG Line Premium+ D MHEV Automatic

£145,990£147,990

  • 2026
  • 4,000 miles
  • Diesel
  • Automatic
autouncle-certified

Fair price

Details
price change
-1%
days listed
34

Dealer

London, London

-1%
1 / 1

Mercedes G450 AMG line | Fair price

MHEV AMG Line (Premium Plus)

£146,989£148,989

  • 2025
  • 5,000 miles
  • Diesel
  • Automatic
autouncle-certified

Fair price

Details
price change
-1%
days listed
34

Dealer

London, London

1 / 1

Mercedes G450 AMG line | Fair price

MHEV AMG Line (Premium Plus)

£150,989

  • 2025
  • 1,000 miles
  • Diesel
  • Automatic
autouncle-certified

Fair price

Details
price change
0%
days listed
34

Dealer

London, London

-1%
1 / 1

Mercedes G450 AMG Line Premium Plus 367 HP | Fair price

AMG Line Premium Plus 5dr

£152,995£154,995

  • 2026
  • 1,400 miles
  • Diesel
  • Automatic
autouncle-certified

Fair price

Details
price change
-1%
days listed
104

Dealer

S9 4WN South Yorkshire, South Yorkshire

1 / 1

Mercedes G450 AMG Line Premium Plus | Expensive

AMG Line Premium Plus 5dr

£144,990

  • 2025
  • 9,376 miles
  • Diesel
  • Automatic
autouncle-certified

Expensive

Details
price change
0%
days listed
20

Dealer

London, London

-1%
1 / 1

Mercedes G450 AMG Line Premium Plus | Expensive

AMG Line Premium Plus 5dr

£156,985£159,985

  • 2026
  • 2,000 miles
  • Diesel
  • Automatic
autouncle-certified

Expensive

Details
price change
-1%
days listed
33

Dealer

London, London

-4%
1 / 1

Mercedes G450 AMG Line Premium Plus 387 HP | Rare vehicle

AMG Line Premium Plus 5dr

£149,990£156,990

  • 2026
  • 500 miles
  • Diesel
  • Automatic

Rare vehicle

Details
price change
-4%
days listed
113

Dealer

DN17 2TX North Lincolnshire, Lincolnshire

-13%
1 / 1

Mercedes G450 AMG Line Premium Plus 367 HP

AMG Line Premium Plus 5dr

£129,995£149,995

  • 2025
  • 30,000 miles
  • Diesel
  • Automatic

Not evaluated

Details
price change
-13%
days listed
91

Dealer

DY8 3TB West Midlands, West Midlands

Showing 1 - 15 of 15 results

How much does the Mercedes G450 depreciate?

Used Mercedes G450

A used Mercedes G450 (2025) model loses about £1,207 per month in value.


Factors that affect the depreciation of a Mercedes G450:
- Mileage driven
- Maintenance
- Service history


Depreciation is an important part of calculating the total cost of owning a Mercedes G450. In addition to the monthly depreciation of £1,207, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.

How much does a used Mercedes G450 cost? Prices, ratings and depreciation by model year

How much does a used Mercedes G450 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2026

£145,990 - £155,788£149,2764,000 miles-£2,020< 10

2025

£130,872 - £149,589£141,6654,800 miles-£14,480< 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

Comparison of Mercedes G450 variants and prices

Below you can compare prices and depreciation for the 2 most popular Mercedes G450 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of Mercedes G450 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

🏆 The most popular

AMG Line Premium Plus

£135,149 - £155,389£146,2014,000 miles-£7,020< 10
💰 The budget choice

AMG line

£134,373 - £149,989£143,7414,800 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

Which variant should you choose?

💰 The budget choice

The AMG line is the cheapest entry point with an average price of £143,741.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most AMG Line Premium Plus for sale right now (9), which gives you the most options to choose from.

Accuracy will improve as more cars from this variant become available

📈 The best value

The AMG Line Premium Plus has held its price stable with minimal loss in value over the past year (-£7,020).

Accuracy will improve as more cars from this variant become available

Mercedes G450 (model year 2025) - Price development for the last 11 months and price projection for the next 6 months (December 2025 - April 2027)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - December
£156,920
£153,380£160,440
Estimate
2026 - January
£154,880↘
£152,380£157,380
Estimate
2026 - February
£151,260↘
£149,220£153,300
Estimate
2026 - March
£148,920↘
£147,000£150,840
Estimate
2026 - April
£150,280↗
£144,960£155,600
Estimate
2026 - May
£148,400↘
£141,980£154,820
Estimate
2026 - June
£150,440↗
£144,940£155,940
Estimate
2026 - July
£151,300↗
£145,980£156,600
Estimate
2026 - August
£148,540↘
£143,320£153,760
Estimate
2026 - September
£145,800↘
£140,680£150,920
Estimate
2026 - October
£142,440↘
£137,000£147,900
Estimate
2026 - December
£140,060↘
--
Forecast
2027 - January
£138,880↘
--
Forecast
2027 - February
£137,700↘
--
Forecast
2027 - March
£136,500↘
--
Forecast
2027 - April
£135,320↘
--
Forecast

All estimates and forecasts are based on actual market data

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

-£14,480

Next 6 months

-£7,120

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Price checked by AutoUncle

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Looking for a used Mercedes G450 at an unbeatable price?

Are you considering purchasing a used ? Then the Mercedes G450 is a great choice. AutoUncle has 13 used Mercedes G450s for sale in UK, each one sourced from an online marketplace or dealership website.

What is the used car price of the Mercedes G450?

Currently, the prices for a pre-owned Mercedes G450 start at £145,950 and go up to £154,950.

The cost of a pre-owned Mercedes G450 is determined by several factors. Key contributing elements include the year of the car, engine size and power, fuel consumption, how many miles the car has travelled not to mention the vehicle's equipment variant.

For instance, a younger model with fewer miles on the odometer, or more luxurious models with more potent engines will typically cost more than an earlier version with less equipment and higher mileage.

What versions of the Mercedes G450 are available based on equipment?

The Mercedes G450 is accessible in two different equipment options:

  • Mercedes G450 AMG Line Premium Plus: Right now you will find 11 cars for sale at an average price of £150,158)
  • [Mercedes G450 AMG line]https://www.autouncle.co.uk/en-gb/used-cars/Mercedes/G450/t-AMG%20line: 2 cars for sale at an average price of £151,470

When assessing the price tags of second-hand Mercedes G450 cars, it is crucial only comparing the deals of cars with the same engine and equipment. If you don't, you might reach a wrong decision on which car to acquire.

Which fuel variants are most in demand for the Mercedes G450?

The number one fuel selection for the Mercedes G450 is diesel.

Compare fuel types for Mercedes G450:

Keep your driving habits in mind when choosing which fuel type to purchase. Do you frequently drive within city limits or on broader highways and motorways? What's the average number of miles you drive weekly?

For short trips, range is rarely a limitation, so electric, plug-in hybrid or petrol can be fine. For longer daily journeys, consider an electric car, especially if you have the option to charge at home or at work. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. If you often drive long distances and can't charge, diesel can still be a viable option. Be aware that in several countries, diesel engines that emit high levels of pollutants are barred from urban areas.

In which body types are the Mercedes G450 available?

The Mercedes G450 is only offered in the SUV body type in the UK. SUV stands for Sport Utility Vehicle and represents one of the most sought-after car types in today's market. These vehicles are known for their versatility and elevated driving position, attributes that are particularly favoured by many motorists.

What other cars are there in the same category as Mercedes G450?

The Mercedes G450 has various competitors from the same segment.

Competing cars for the Mercedes G450

  • Ford Transit Custom
  • VW ID.3
  • Toyota Aygo X

With a selection of 4,152 available models on AutoUncle, the Ford Transit Custom clearly stands out as the top alternative to the Mercedes G450. Average listing price for the Ford Transit Custom is £14,999.

The VW ID.3 is another popular pick, with 1,622 cars currently for sale and an average price of £15,350. The Toyota Aygo X is the third best alternative. There are currently 1,590 of this car for sale in the UK with an average sales price of £13,900.

Considering the adoption of an electric car?

If the Mercedes G450 not is your definitive choice then, we have a lineup of alternative electric cars to recommend in the same car segment. The list includes:

Haven't found an electric car that resonates with you? Check out our extensive selection of electric cars here.

See Mercedes