Mercedes G400 Valuation: 19 used car listings analysed

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How much does the Mercedes G400 depreciate?

Used Mercedes G400

A used Mercedes G400 (2023) model loses about £138 per month in value.


Factors that affect the depreciation of a Mercedes G400:
- Mileage driven
- Maintenance
- Service history


Depreciation is an important part of calculating the total cost of owning a Mercedes G400. In addition to the monthly depreciation of £138, 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 G400 cost? Prices, ratings and depreciation by model year

How much does a used Mercedes G400 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2022 Mercedes G400

£104,622 - £121,365£115,68323,500 miles-< 10

2023 Mercedes G400

£110,191 - £117,978£114,98330,000 miles-£1,660< 10

2021 Mercedes G400

£91,004 - £121,621£103,60851,700 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

Comparison of Mercedes G400 variants and prices

Below you can compare prices and depreciation for the 2 most popular Mercedes G400 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of Mercedes G400 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

🏆 The most popular

Mercedes G400 AMG line

£96,516 - £123,320£113,80633,200 miles-£2,08012
💰 The budget choice

Mercedes G400 AMG Line Premium Plus

£98,367 - £119,487£110,57129,400 miles+£5,340< 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 Premium Plus is the cheapest entry point with an average price of £110,571.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most AMG line 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 (+£5,340).

Accuracy will improve as more cars from this variant become available

Mercedes G400 (model year 2023) - Price development for the last 9 months and price projection for the next 6 months (December 2025 - February 2027)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - December
£121,180
£118,220£124,120
Estimate
2026 - January
£120,960
£117,980£123,960
Estimate
2026 - February
£120,760
£117,740£123,780
Estimate
2026 - March
£120,560
£117,500£123,600
Estimate
2026 - April
£120,340
£117,260£123,420
Estimate
2026 - May
£120,140
£117,020£123,240
Estimate
2026 - June
£119,940
£116,780£123,080
Estimate
2026 - July
£119,720
£116,560£122,900
Estimate
2026 - August
£119,520
£116,320£122,720
Estimate
2026 - October
£119,100
--
Forecast
2026 - November
£118,900
--
Forecast
2026 - December
£118,680
--
Forecast
2027 - January
£118,480
--
Forecast
2027 - February
£118,280
--
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

-£1,660

Next 6 months

-£1,240

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Are you looking for a used Mercedes G400?

Are you thinking of getting a used SUV? The Mercedes G400 is a great pick. On AutoUncle, you can find 19 used Mercedes G400s for sale in the UK collected from numerous dealership websites and online marketplaces.

What is the price of a used Mercedes G400?

The pricing range for a used Mercedes G400 model at AutoUncle will start at £39,990 and go up to £139,990.

The used car price of an Mercedes G400 is determined by a number of factors, the most important of which are year of production, engine size and performance, fuel consumption of the car, how many miles it has travelled together with trim level.

For example, a newer model with fewer miles recorded, or a more luxurious variant with a powerful engine, typically commands a higher price than a car from an older model year, with higher mileage and no optional extras.

Which trim levels can I choose for the Mercedes G400?

While evaluating the cost of a pre-owned Mercedes G400, it's crucial to analyze vehicles having the same engines and equipment. Otherwise, you might draw an inaccurate conclusion about which car to purchase.

How many different fuel types can I choose from for the Mercedes G400?

The Mercedes G400 comes exclusively with diesel as its fuel type. At present, we have nineteen cars at an average price of £108,754.

Consider your driving patterns carefully when selecting a fuel type. How many miles do you normally clock in a week? Is your driving characterized more by numerous short trips or by extended travels?

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. If you have a daily commute over longer distances, a modern electric car can be a great choice - especially if you have access to charging at home or at work. Diesel cars can still make sense if you drive very far and don't have access to charging. Be aware that in a number of countries, cities have implemented bans on diesel engines with high emissions.

What kind of car is the Mercedes G400?

On AutoUncle, the Mercedes G400 is exclusively offered in the SUV body style. SUV is short for Sport Utility Vehicle, and this is easily one of the most popular cars on the market today. The style is versatile, and the ride height is higher than traditional cars, which is a key selling point.

Which cars are popular alternatives to Mercedes G400?

There exist some possible alternatives to the Mercedes G400.

Most popular alternatives to the Mercedes G400

  • Nissan Qashqai
  • Kia Sportage
  • VW Tiguan

With a selection of 6,484 available models on AutoUncle, the Nissan Qashqai clearly stands out as the top alternative to the Mercedes G400. On average, the Nissan Qashqai costs £15,198.

The next best alternative car is the Kia Sportage with 5,923 cars currently for sale with an average sales price of £22,000. Another recommended alternative is VW Tiguan with 5,110 cars for sale an average price tag of £24,999.

Thinking about investing in an electric vehicle?

If you're not necessarily set on the Mercedes G400 then, here are some great electric alternatives you can consider in the same car segment. Below are:

Haven't discovered an electric car that suits your preferences? Take a look at all our available electric cars here.

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