The entry level ZR 105 came with the 16 valve 1.4 K series engine which produced 102 bhp (76 kW; 103 PS) and 123 N⋅m (91 lb⋅ft) torque giving a 0–60 mph time of 9.7 seconds and a top speed of 111 mph (179 km/h). It featured 262mm solid discs up front and drum brakes at the rear.

The ZR 120 came with a larger 1.8 K series engine which produced 115 bhp (86 kW; 117 PS) and 160 N⋅m (120 lb⋅ft) torque giving a 0–60 mph time of 8.6 seconds and a top speed of 119 mph (192 km/h). This had a more advanced brake set up despite the small power increase, featuring the same diameter 262mm discs up front, but this time vented for better cooling. The drums at the back were also replaced with 239mm solid discs to maintain braking balance.