| Engine code | Number of cylinders, valves | Displacement Bore x stroke | Years | Usage | Peak power | Peak torque |
| N3 BSG | Inline-3, 6 valves, 12V-MHEV, FireFly |
1.0 L; 61.0 cu in (999 cc) 70 mm × 86.5 mm (2.76 in × 3.41 in) |
2020–present | Fiat 500 (312), Fiat Panda (319), Lancia Ypsilon (846), Fiat 500 Hybrid (332) | 70 PS (51 kW; 69 hp) at 6000 rpm | 92 N⋅m (68 lb⋅ft) at 3500 rpm |
| T3 | Inline-3, 12 valves Turbo, Multiair III |
1.0 L; 61.0 cu in (999 cc) 70 mm × 86.5 mm (2.76 in × 3.41 in) |
2018–present | Jeep Renegade FL, Fiat 500X FL, Fiat Tipo | 100–120 PS (74–88 kW; 99–118 hp) at 5750 rpm | 190 N⋅m (140 lb⋅ft) at 1750 rpm |
| T4 | Inline-4, 16 valves Turbo, Multiair III |
1.3 L; 81.3 cu in (1,332 cc) 70 mm × 86.5 mm (2.76 in × 3.41 in) |
2018–present | Jeep Renegade FL, Fiat 500X FL, Jeep Compass | 150 PS (110 kW; 148 hp) at 5500 rpm 180 PS (132 kW; 178 hp) at 5750 rpm |
270 N⋅m (199 lb⋅ft) at 1850 rpm 285 N⋅m (210 lb⋅ft) at 1850 rpm |
| T4 4xe PHEV | Inline-4, 16 valves Turbo, Multiair III + FCA eMotor |
1.3 L; 81.3 cu in (1,332 cc) 70 mm × 86.5 mm (2.76 in × 3.41 in) |
2021–present | Jeep Renegade 4xe, Jeep Compass 4xe, Alfa Romeo Tonale
| 130–180 PS (96–132 kW; 128–178 hp) at 5500 rpm (engine)
60 PS (44 kW; 59 hp) (motor)
190–240 PS (140–177 kW; 187–237 hp) at 5750 rpm (combined) |
270 N⋅m (199 lb⋅ft) at 1850 rpm (engine)
250 N⋅m (184 lb⋅ft) (motor)
470 N⋅m (347 lb⋅ft) (combined) |
| T4 4xe PHEV | Inline-4, 16 valves Turbo, Multiair III + FCA eMotor |
1.3 L; 81.3 cu in (1,332 cc) 70 mm × 86.5 mm (2.76 in × 3.41 in) |
2022–2026 | Alfa Romeo Tonale Plug-in Hybrid, Dodge Hornet
| 180 PS (132 kW; 178 hp) at 5500 rpm (engine)
123 PS (90 kW; 121 hp) (motor)
279 PS (205 kW; 275 hp) at 5750 rpm (combined) |
270 N⋅m (199 lb⋅ft) at 1850 rpm (engine)
250 N⋅m (184 lb⋅ft) (motor)
521 N⋅m (384 lb⋅ft) (combined) |
| FireFly T4 | Inline-4, 16 valves Turbo |
1.5 L; 89.6 cu in (1,469 cc) 71.2 mm × 92.2 mm (2.80 in × 3.63 in) |
2022–present | Alfa Romeo Tonale Hybrid, Fiat Tipo Hybrid (2022), Fiat 500X Hybrid (2022) | 130 PS (96 kW; 128 hp) at 5500 rpm
20 PS (15 kW; 20 hp) (motor) |
240 N⋅m (177 lb⋅ft) at 1850 rpm (engine)
55 N⋅m (41 lb⋅ft) (motor) |
| FireFly T4 VGT | Inline-4, 16 valves VG Turbo |
1.5 L; 89.6 cu in (1,469 cc) 71.2 mm × 92.2 mm (2.80 in × 3.63 in) |
2022–present | Alfa Romeo Tonale Hybrid VGT | 160 PS (118 kW; 158 hp) at 5500 rpm
20 PS (15 kW; 20 hp) (motor) |
240 N⋅m (177 lb⋅ft) at 1850 rpm (engine)
55 N⋅m (41 lb⋅ft) (motor) |