A new high-performance two-litre turbocharged four-cylinder engine will make its debut in the new Cadillac ATS compact luxury sedan, which will be launched at the 2012 Detroit show next month.
The Cadillac-tuned, direct-injected engine will produce an estimated 270hp (198 kW). At 135hp per litre, it will be one of the most power-dense automotive engines, besting the highest-performing engines from luxury competitors such as Audi, BMW and Mercedes.
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“This engine is the perfect match for the new ATS, which will be a refined performance luxury sedan,” said Don Butler, Cadillac vice president of global marketing. “The 2.0T has an exceptionally smooth and responsive power curve that will make the ATS nimble, quick and fun to drive.”
The new 2.0T highlights a broad engine lineup that will power the ATS whichgoes into production next summer. In some markets, Cadillac will also offer a normally aspirated 2.5-litre four cylinder engine and a 3.6-litre V6. There’s no mention yet of diesels for markets such as Europe.
Among the 2.0T engine’s highlights: a direct-injection twin-cam, four-valve-per-cylinder engine with continuously variable valve timing; twin-scroll turbocharger with air-to-air intercooler; forged-steel crankshaft with modular balance shaft system; and a two-stage variable-displacement oil pump with jet-spray piston cooling.
Overall engine friction is reduced by up to 16%. Proprietary computational fluid dynamics analysis techniques were used to develop a new combustion system with a higher compression ratio, which also helped boost efficiency.
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By GlobalData“The 2.0T is one of the most advanced and efficient engines of its kind, and contributes to the ATS’s exceptional balance of performance and great fuel efficiency,” said Mike Anderson, chief engineer for the 2.0T engine.
The 2.0T has a wide torque curve, delivering 90% of its peak 353Nm of torque from 1,500 rpm to 5,800 rpm. The turbocharger generates up to 20 pounds of boost and its twin-scroll design helps optimise power availability, virtually eliminating turbo lag and helping deliver a broad power band.
“It has the exhilarating, responsive power available when you want it, yet can provide the fuel efficiency that will make the ATS a fully competitive vehicle in global markets,” Anderson said.
The ATS will be built at the Lansing Grand River plant alongside the CTS Sedan, Coupe and Sport Wagon and V-Series performance cars.
