The Mitsubishi 4B40 1.5-liter gasoline turbo engine has been produced only since 2017 and is installed only on the rather popular Eclipse Cross coupe-shaped crossover. The motor emits combined fuel injection or a combination of direct and distributed injection.

The engine was installed on:
- Mitsubishi Eclipse Cross 1 (GK) since 2017.
Specifications
| Production years | since 2017 |
| Displacement, cc | 1499 |
| Fuel system | combined injection |
| Power output, hp | 150 – 163 |
| Torque output, Nm | 250 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 75 |
| Piston stroke, mm | 84.8 |
| Compression ratio | 10.0 |
| Features | no |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | MIVEC |
| Turbocharging | yes |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Mitsubishi Eclipse Cross 2018) — city — highway — combined |
9.2 6.2 7.3 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 143 |
Disadvantages of the Mitsubishi 4B40 engine
- The unit has just begun to be offered and the statistics of its malfunctions have not yet been collected;
- The manufacturer allows the use of 92nd gasoline, which is dangerous for direct injection;
- Some owners complain about floating revs during short stops.
