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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.
The next full-size front-wheel drive Cadillac sedan was the XTS which went on sale in June 2012 as a 2013 model. A second full-size sedan, the rear-wheel drive CT6, was added to the lineup in 2016. [23] Prior to bankruptcy, GM had considered a rear-drive sedan, powered by the new Ultra V8 engine (replacement for the Northstar), to bow for 2010 ...
The Lucerne replaced the full-size LeSabre and the Park Avenue in the Buick range, and used a revised G platform, nonetheless referred to by GM as the H platform. [1]The Lucerne was introduced with the standard 3.8 liter Buick V6 (also known as the GM 3800 engine) or optional 4.6 liter Cadillac Northstar LD8 V8 as well as optional active suspension, marketed as Magnetic Ride Control.
The 4.2-liter V8 engine (GM RPO code LTA) is an eight-cylinder, dual overhead cam (DOHC) twin turbo engine produced by General Motors specifically for use in Cadillac luxury vehicles. The engine is the result of a new clean-sheet engine design as well as Cadillac's first twin-turbo V8 engine. It first launched with the 2019 Cadillac CT6. [10]
The engine is Cadillac's 4.6 L (280 cu in) Northstar V8, producing 275 hp (205 kW), 300 lbf⋅ft (410 N⋅m). As Pontiac's website said, "With GXP, V8 power gets reintroduced into the Bonneville line in the form of the world-renowned 4.6 L (279 in³) Northstar V8 engine, giving 0 to 60 mph (0–97 km/h) in 6.5 seconds demonstrates better ...
The Seville Luxury Sedan (SLS) was introduced with the 4.9 L HT-4900 V8 and received a 270 hp (200 kW) LD8 Northstar V8 for 1994; The Seville Touring Sedan (STS) also began with the 4.9 L HT-4900 in 1992 and was upgraded to the 295 hp (220 kW) L37 Northstar in 1993; The Seville Touring Sedan was Motor Trend magazine's Car of the Year for 1992.