Under the hood, two engines are available. The 1.3-liter petrol produces 98 hp (73 kW / 99 PS) and 126 Nm (93 lb-ft) of torque. It is paired to a six-speed manual which enables the Trezia to have a combined fuel consumption rating of 5.5 L/100 km and CO2 emissions of 127 g/km.
On the other hand, the 1.4-liter diesel churns out 90 hp (67 kW / 91 PS) and 205 Nm (151 lb-ft) of torque. When paired to the standard six-speed manual transmission, owners can expect to average 4.3 L/100 km and have CO2 emissions of 113 g/km.