Mercedes GLS400 Valuation: 12 used car listings analysed

Market overviewPrices and data for March-2026: There are currently 12 used Mercedes GLS400 (model years 2019 - 2023) available. Prices range from £48,395 to £67,666, with a median price of £60,490. The most common configuration on the market is a combination of SUV, diesel, and automatic, while the most popular trims include Night, AMG line, AMG Line Premium. Market dynamics indicate that a vehicle sells in an average of 41 days, and 75.0% of listings have recently seen a price reduction (with discounts up to £8,200). Additionally, 1 vehicles are currently listed below market value. An indicator of durability: the inventory includes models with a mileage of up to 75,580 km (Source: 42 scanned sites).

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Are you looking for a used Mercedes GLS400?

Are you thinking of purchasing a used SUV? Then the Mercedes GLS400 is an excellent choice. At AutoUncle, we have assembled a collection of 15 used Mercedes GLS400 cars, each one collected from an online marketplace or dealership website.

How much does a used Mercedes GLS400 cost?

A used Mercedes GLS400 costs between £45,795 for the cheapest variant and £70,640 for the most expensive model.

The German car is being offered at different prices relying on primarily five factors: year, engine size and performance, fuel efficiency, how many miles it has travelled as well as trim level.

For instance, a more recent model with lower mileage, or a luxury edition with a robust engine, usually garners a premium price than a car from an older model year, with higher mileage and no optional extras.

What versions of the Mercedes GLS400 are available based on equipment?

When looking for the best car deal for a used Mercedes GLS400, it is crucial that you only compare with the deals of cars with the same equipment variant and engine size. Otherwise, you may end up reaching a wrong conclusion on which car to acquire.

In which fuel variants is the Mercedes GLS400 offered?

The principal fuel kind for a Mercedes GLS400 is diesel.

It's highly recommended to reflect on your driving patterns before making a decision on the fuel type. On a regular week, how far do you drive? Do you engage in many brief trips, or are your drives generally longer in distance?

If your trips are mostly short, electric, plug-in hybrid or petrol may make the most sense. For daily long-distance driving, the electric car is often ideal - especially with a charger 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 may still be relevant in some cases with very long journeys and lack of charging options. Note that in some countries, high-emission diesel engines have been banned from entering certain cities.

What body types do the Mercedes GLS400 have?

The Mercedes GLS400 only comes 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 should I consider?

The Mercedes GLS400 has multiple competing cars from the same segment.

Alternative cars to the Mercedes GLS400

  • Nissan Qashqai
  • Kia Sportage
  • VW Tiguan

The top competitor to the Mercedes GLS400 is the Nissan Qashqai. At present, there are a total of 6,484 Nissan Qashqai vehicles available for sale in the UK, featuring an average sales price of £15,198.

The Kia Sportage is another popular pick, with 5,923 cars currently for sale and an average price of £22,000. Another good choice for an alternative car is the VW Tiguan with 5,110 cars for sale for the average price of £24,999.

Considering the idea of going electric with your next car?

Not fixed on the Mercedes GLS400? Here are some electric options in the same segment::

Can't seem to locate an electric car that matches your needs? View our complete collection of electric cars here.