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 CTR2
Ruf came into the public eye in 1987 when they released their Porsche 911 Carrera 3.2-based CTR, an extremely limited-production model which for several years held the title of world's fastest production vehicle. Wanting an ultra-high performance model to remain among the company offerings, Alois Ruf Jr., the company owner, followed up the original with a CTR2 in 1995, another production model made in limited quantities, based on the then-new 993-chassis 911 Turbo. Originally offered at a retail Price of $315,000 USD, the CTR2 featured either the standard rear-wheel drive or an optional all-wheel-drive, Recaro racing seats with Simpson five-point belts, enlarged brakes, an integrated roll-cage, a Ruf manufactured coil-over suspension system, an integrated bi-functional rear wing (for downforce, and air induction to 2 intercoolers, one on each side) and a kevlar body with lightweight glass; power came from a race derived air-cooled Porsche 3.6 litre, twin-turbocharged Flat-six engine, based on the engine used in the Porsche 962 Le Mans Group C car (hence the name CTR2) but tuned by Ruf to produce and 505 ft lb (685 N·m) of torque. The car's engine was revised later to bump the power output to .