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 .
Porsche 944
In 1989 the 944 S2 was introduced, powered by a normally aspirated, dual-overhead-cam 16-valve 3.0 L version of the 944 S' engine. With a bore of and a stroke of , it was the largest production 4-cylinder engine of its time. The 944 S2 also received a revised transmission and gearing to better suit the 3.0 L M44/41 powerplant. The 944 S2 had the same rounded nose and a rear valance found on the Turbo model. Quoted performance figures included a 0–97 km/h acceleration time of 6.0 seconds (0–100 km/h being achieved in 6.8 seconds) and a top speed of for the cars with a manual transmission. A Club Sport touring package (M637) was also available. Dual air bags (left hand drive models), limited-slip differential and ABS were optional. Series 90 16-inch cast alloy wheels were standard equipment.
In 1989, Porsche introduced the 944 S2 Cabriolet, the first 944 to feature a convertible body style. The 944 S2's body was manufactured by ASC (American Sunroof Company) in Weinsberg, Germany. The first year of production included 16 944 S2 Cabriolet manufactured for the U.S. market. For the 1990 model year, Porsche produced 3,938 cars for all markets including right-hand drive units for the United Kingdom, Australia and South Africa.
The 944 S2 competed in the British championship that was called the Porsche Motorsport Championship. Production was during 1989, 1990, and 1991. The 944 S2's power-to-weight ratio was such that it was able to accelerate from 0 to 60 mph in 6.5 seconds.