engine V8 valvetrain 4 Valves / Cyl displacement 4619 cc / 281.9 cu in bore 93 mm / 3.66 in stroke 85 mm / 3.35 in compression 10.5:1 power 258.8 kw / 347.1 bhp @ 5700 rpm hp per litre 75.15 bhp per litre bhp/weight torque 480 nm / 354.0 ft lbs @ 3700 rpm front brakes Vented Discs w/ABS front wheels F 45.7 x 20.3 cm / 18.0 x 8.0 in rear wheels R 45.7 x 22.9 cm / 18.0 x 9.0 in front tire size 235/40ZR18 rear tire size 265/35ZR18 weight 1690 kg / 3726 lbs wheelbase 2380 mm / 93.7 in front track 1512 mm / 59.5 in rear track 1518 mm / 59.8 in length 4775 mm / 188.0 in width 1800 mm / 70.9 in height 1415 mm / 55.7 in transmission ZF 5-Speed Auto gear ratios 3.57:1, 2.20:1, 1.51:1, 1.00:1, 0.80:1 final drive 3.08:1 top speed 279 kph / 173.4 mph 0 - 60 mph 5.4 seconds