Porsche 919 Hybrid
Porsche revealed an evolution of the 919 Hybrid on 11 April 2018, as it broke the lap record in Circuit de Spa-Francorchamps with a lap time of 1:41.77, with Neel Jani behind the wheel. The lap time was 0.783 seconds faster than Lewis Hamilton's flying qualification lap in 2017, previously posting a 1:42.553 in his Mercedes AMG F1 W08, a Formula One car. Jani was also over 12 seconds faster than the standard 919 Hybrid's 2017 pole position lap time of 1:54.097. During the lap, Jani's speed trap was at the Kemmel Straight, with an average speed of .
Ruf RTurbo
The RTurbo is available in 520, 550 and 590 hp variants. All variants are powered by a tuned version of the 3.6 liter flat-6 engine from the 996 911 Turbo. The engine is tuned by Ruf with modified KKK turbochargers, a remapped engine computer, Porsche GT3 engine mounts, upgraded valve train, a modified VarioCam system and an exhaust system with a bypass valve. For the optional 590 hp package the engine also receives titanium connecting rods, upgraded camshafts and a heat exchanger to handle the power. The drive train consists of a Porsche GT2 transaxle, a stronger upgraded clutch, a limited slip differential and optional 4-wheel drive. The suspension is upgraded with new shocks, springs, stabilizer bars, and RUF-Brembo brake discs and calipers. In the interior, the RTurbo has Porsche GT3 racing seats, revised gauges and an integrated roll cage. Other upgrades include Ruf 19" alloy wheels, redesigned front and rear bumpers and quad exhausts. The 590 hp model can do 0-60 mph (97 km/h) in 3.6 seconds and reach a claimed top speed of 212 mph (341 km/h).