If you need the biggest Mercedes 4x4 with the most powerful engine - you've found it! the GLS 63 AMG is a monster of a car, with a monster £90k plus price tag to match. It uses Mercedes new 5.5 litre V8 turbocharged engine producing 585 horsepower, enough for a 0-60 time of just 4.6 seconds, which in a 2.5 tonne car is impressive. As you would imagine the fuel economy figures don't get anywhere near the diesel, but if you've got the extra cash and you enjoy the incredible acceleration then it's great fun. Spec levels match the pricet ag, with a huge range of standard kit from 21" alloy wheels, to the AMG body styling pack, soft close doors, climate control in all 3 rows of seats, Comand sat nav, plus heated cooled and massage function front sports seats. Orangewheels has some of the best discounts and deals available on the new 2018 Mercedes GLS 63 AMG for sale, just click on the model above to add your required colours and optional extra equipment to see what is the best deal and just how much you could save from our supplying UK main dealers with our cheapest PCP finance offers.