The new aluminium bodyshell from 2004 to 2009 and increased power to 400 hp (298 kW) and enhanced computer systems decreased the time to 60 mph (97 km/h) to 4.8 seconds.
Starting after year 2000, XJRs were equipped with Jaguar's CATS (Computer Active Technology Suspension), which helped firm up the ride in sporty driving without compromising comfort during day-to-day use.
It was replaced by the XFR, featuring a 5.0 L supercharged V8 producing 510 hp (380 kW) R-S models were then added to the range starting with the XKR-S in 2012 and later in 2014, the XFR-S.
[2] Positioned below the R and SVR ranges, Jaguar offers an S variant on many of their vehicles, which includes sportier styling on both the exterior and interior, more horsepower and a firmer suspension.
[5] It was discovered by chance when Pieri accidentally showed it to Jaguar then chief designer Ian Callum.