The Cadillac XTS is a full-size luxury car from the Cadillac brand of General Motors. It is based on an enlarged version of the Epsilon II platform. The XTS replaces both the Cadillac STS and DTS, despite being slightly smaller. It began production in May 2012 at the Oshawa Assembly Plant with sales starting in June. The XTS is available with both front-wheel drive and all-wheel drive. The 3.6 liter V6 of the XTS generates 304 horsepower and 264 lb.ft of torque. The car has an estimated 0 to 60 miles per hour (0 to 97 km/h) time of 6.7 seconds and gas mileage of 21 miles per US gallon (11 L/100 km; 25 mpg-imp). General Motors exhibited a concept sedan called the XTS Platinum at the 2010 North American International Auto Show after privately unveiling the vehicle to automotive journalists on August 11, 2009. The concept is all-wheel drive and is powered by a 3.6 L (220 cu in) V6 plug-in hybrid system estimated at 350 hp (260 kW).