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The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, [citation needed] but is most associated with Cadillac's Northstar series.
For 2009, Cadillac introduced the second-generation CTS-V that was built on GM Sigma II Platform. It was a rear-wheel drive, powered by a 6.2-liter (380 in 3) LSA EATON-supercharged V8 that was based on LS9 V8 from—what was then—recently released Corvette ZR1. The engine generates 556 horsepower and 551 lb-ft of torque.
The 2006 - 2008 XLR-V uses the same supercharged Northstar V8 as the STS-V, though output is down somewhat due to design changes made to accommodate the model's more limited underhood space. For the XLR-V, the SAE certified output is 443 hp (330 kW) and 414 lb⋅ft (561 N⋅m).
The Cadillac Cimarron was a hasty attempt for Cadillac to compete with smaller European luxury cars from manufacturers such as Mercedes-Benz and BMW. Facing time constraints, Cadillac simply marketed a fully equipped Chevrolet Cavalier with upmarket trim for twice the price of its other J body siblings.
1994–2005 Opel 54-Degree L81 V6 (used in the Saturn Vue, Cadillac Catera and Saturn L series) 1995–present Suzuki H (used in several models built for GM by Suzuki) 2004–2007 Honda J (used in the Saturn Vue) 1998–2002 Shortstar LX5 (based on the Northstar V8) 2003–2011 GM High Value (an evolution of the Chevrolet 60-Degree V6)
The Cadillac STS-V is a high-performance executive car of the V-Series introduced at the 2005 Detroit Auto Show, and was available for sale in late 2005. The STS-V uses a supercharged 4.4 L version of the Northstar V8, producing 469 hp (350 kW) and 439 lb⋅ft (595 N⋅m).
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Where the Chevrolet Corvette (C6) was powered by a 6.0L GM LS2 V8 engine and offered with a six-speed manual transmission, the XLR featured Cadillac's 4.6L Northstar V8 (supercharged in the XLR-V) and either a five-speed 5L50 automatic transmission, or a six-speed 6L80 automatic transmission. It produced 320 hp (239 kW) and 310 lb⋅ft (420 N ...