The engine has a working volume of 1998 cm3. At the same time, the power plant based on this engine can be equipped with modified engines. Some vehicles are equipped with 8-valve engines with or without a turbocharger. Later models are equipped with engines with 16 valves.
The 8-valve engine without a turbocharger has an output of 121/123 hp. (89 kW) and is denoted as «XU 10J2C», RFU type code. These engines are equipped with a multi-point fuel injection system MM8P22 from Mignetti-Marelli.
The 8-valve turbocharged engine has 135hp. (97 kW) and is denoted as «XU10J4R», type code RFV. On these engines, a multi-point fuel injection system MM8R22 from Bosch is installed.