Changes include front and rear carbon-fibre spoilers, carbon fibre mirror housings and door handles, 20-inch wheels, carbon fibre interior (steering wheel rim, paddle shifters, instrument panel, dashboard, door panels), stiffer springs, shock absorbers and anti-roll bars with custom Maserati Stability Programme software and 10 mm lower height than GranTurismo S. The programme was initially offered for the GranTurismo S only, with the product line expanded to all GranTurismo variants and eventually all Maserati vehicles in 2009.