Question: who makes jaguar xj engines?
Answer: Both X350 and X358 used a six-speed automatic transmission manufactured by ZF Friedrichshafen. North American XJ models were equipped with the 300 hp (224 kW; 304 PS) naturally aspirated engine or an optional 400 hp (298 kW; 406 PS) supercharged 4.2 L V8 engine.