The MERCEDES-BENZ GLS (2015-19) AMG GLS63 4MATIC 5DR SUV 5.5 V8 SS 585 EU6 SPDS+7GT is a full-size, premium performance SUV, sitting near the top of the UK market for space, luxury and power. With seven-seat practicality and imposing road presence, it offers an upmarket alternative to large family SUVs, rather than a budget-friendly everyday car. mycarcheck.com records show 580 look-ups covering 177 different VINs, giving a useful sample of interest in this rare, costly model. The average private-sale valuation is £50,500; checked examples average 44,000 miles, around 8,000 miles a year, and about 1.6 previous keepers. These figures are guideposts, not a price or condition guarantee. It suits affluent families or drivers seeking space and sports-car pace. The GLS63 pairs a commanding driving position and four-wheel drive with a powerful V8 and Mercedes comfort. Expect high fuel use and running costs. Against the BMW X7 and Range Rover, it stands out for dramatic performance, unmistakable AMG character and distinctive exterior styling.