Mercedes G450 Valuation: 15 used car listings analysed

Market overviewPrices and data for March-2026: There are currently 15 used Mercedes G450 (model years 2024 - 2026) available. Prices range from £141,995 to £169,975, with a median price of £147,990. The most common configuration on the market is a combination of SUV, diesel, and automatic, while the most popular trims include AMG Line Premium Plus, AMG line. Market dynamics indicate that a vehicle sells in an average of 17 days, and 33.3% of listings have recently seen a price reduction (with discounts up to £16,500). Additionally, 2 vehicles are currently listed below market value. An indicator of durability: the inventory includes models with a mileage of up to 16,354 km (Source: 42 scanned sites).

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Showing 1 - 15 of 15 results

How much does the Mercedes G450 depreciate?

Used Mercedes G450

A used Mercedes G450 (2025) model loses about £423 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 £423, 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

2025 Mercedes G450

£141,995 - £169,975£150,3147,000 miles-£5,08012

*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: 22 March 2026

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

Mercedes G450 AMG line

£144,950 - £169,975£155,9588,600 miles-< 10
💰 The budget choice

Mercedes G450 AMG Line Premium Plus

£141,995 - £159,990£149,0697,000 miles-£4,38012

*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: 22 March 2026

Which variant should you choose?

💰 The budget choice

The AMG Line Premium Plus is the cheapest entry point with an average price of £149,069.

🏆 The most popular

There are the most AMG Line Premium Plus for sale right now (12), which gives you the most options to choose from.

📈 The best value

The AMG Line Premium Plus has held its price stable with minimal loss in value over the past year (-£4,380).

Mercedes G450 (model year 2025) - Price development for the last 3 months and price projection for the next 6 months (December 2025 - August 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - December
£156,340
£152,500£160,200
Estimate
2026 - January
£154,780
£152,240£157,300
Estimate
2026 - February
£151,260
£149,260£153,260
Estimate
2026 - April
£146,160
--
Forecast
2026 - May
£143,620
--
Forecast
2026 - June
£141,080
--
Forecast
2026 - July
£138,540
--
Forecast
2026 - August
£135,980
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: 22 March 2026

Average Monthly Depreciation

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

Past 12 months

-£5,080

Next 6 months

-£15,280

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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.