Pontiac Solstice GXP is powered by an Ecotec 2.0 litre turbo-charged engine, the first direct injection model to be released in North America by GM. The GXP represents a new specific output record for a GM engine – 260 bhp and 260 lb/ft of torque. At 2.1 bhp per cubic inch (130 bhp/litre), it is the best-performing engine in the Ecotec range.The Solstice GXP’s engine is controlled by a 5-speed