also introduced the short lived XU6 sedan, which was powered by the supercharged version of Commodore's 3.8-litre V6 engine. Clubsport Launched in 1997, the HSV VT Clubsport was much larger and heavier than its predecessors. Critics noted that its engine, a 5.0-litre V8 (producing ), was also available as an option on the Commodore SS, making the Clubsport less exclusive and desirable. The VT Clubsport did feature many luxury features, including a CD player, steering wheel, front seats and foglights. The VT Series II was released in 1999 to replace the standard Clubsport. It featured a new 5.7-litre V8 LS1 Gen III engine, sourced from GM Powertrain, producing . Production ceased in 2000. Series 2 VT Clubsport rebadged as GTS for the UK market GTS Series 1 VT GTS – 161 produced – 126 manual, remainder automatic Series 2 VT GTS – 100 produced Series 2 VT GTSR - 15 produced for the UK market Senator Signature Introduced in 1997, the VT Senator Signature gained the larger all-new bodyshell of the VT Commodore and also heralded the introduction of a Senator Signature wagon for the first time into the HSV range. An upgraded 5.0-litre and 5.7-litre V8 engines were offered. The VT Senator Signature came standard with speed-sensitive steering which would act in different ways depending on the road and surrounding conditions and luxury suspension tuned featuring Monroe Sensatrac shock absorbers. Appearance differed from other HSV models with the use of a chrome single-slat grille, side skirts, front fog lamps and 10-spoke, 17-inch alloy wheels. The suspension was lowered, with leather seats and woodgrain standard throughout the Senator Signature. The steering featured the Variatronic power assisted rack and pinion technology. The independent rear suspension and luxury front and rear Sensatrac variable rate dampers fitted made for smooth ride control and high speed stability. Additionally, HSV added complementary special features which were for the driver rather than the car, such as a Maglite torch, wheel nut cap remover and a multi-purpose pen knife. The VT Series II introduced a new 5.7-litre LS1 V8 which produced and . A choice of two transmissions were offered a 6-speed manual and 4-speed automatic. Front and side airbags, climate control air-conditioning and traction control are some of the features that come as standard. By activating a certain button in the cabin labelled "power" the automatic transmission holds the gears in longer, this gives the car