From 1991 to 2014, a Japanese company produced the 1.8-liter Mitsubishi 4G93 engine, which was used in Volvo, Proton, and Brilliance vehicles in addition to many of its own models. A version of the motor with a carburetor, injector, direct injection, and turbocharging was available.
The 4G91, 4G92, and 4G94 engines are also part of the 4G9 line.
The engine was mounted on:
- Mitsubishi Carisma DA in 1995 – 2004;
- Mitsubishi Colt CA in 1992 – 1996;
- Mitsubishi Galant E50 in 1992 – 1996; Galant EA in 1996 – 2006;
- Mitsubishi Lancer CB in 1991 – 1996; Lancer CK in 1995 – 2003; Lancer CS in 2000 – 2007;
- Mitsubishi Pajero Pinin H67 in 1998 – 2007;
- Mitsubishi Space Wagon N30 in 1991 – 1998;
- Mitsubishi Space Star DG0 in 1998 – 2005;
- Volvo S40 in 1998 – 2004;
- Volvo V40 in 1998 – 2004;
- Proton Wira in 1993 – 2009;
- Proton Putra in 1996 – 2004;
- Brilliance BS4 in 2006 – 2014;
- Brilliance BS6 in 2000 – 2010.
Specifications
| Production years | 1991-2014 |
| Displacement, cc | 1834 |
| Fuel system | carburetor (carburetor SOHC) injector (MPI SOHC) injector (MPI DOHC) injector (MPI DOHC TURBO) direct injection (GDI DOHC) direct injection (GDI DOHC TURBO) |
| Power output, hp | 110 (carburetor SOHC) 120 (MPI SOHC) 140 (MPI DOHC) 195 – 215 (MPI DOHC TURBO) 120 – 150 (GDI DOHC) 160 – 165 (GDI DOHC TURBO) |
| Torque output, Nm | 154 (carburetor SOHC) 159 (MPI SOHC) 167 (MPI DOHC) 270 – 285 (MPI DOHC TURBO) 175 – 180 (GDI DOHC) 220 (GDI DOHC TURBO) |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 89 |
| Compression ratio | 8.5 (carburetor SOHC) 9.5 (MPI SOHC) 10.5 (MPI DOHC) 8.5 (MPI DOHC TURBO) 12.0 (GDI DOHC) 10.0 (GDI DOHC TURBO) |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no (carburetor SOHC) no (MPI SOHC) no (MPI DOHC) yes (MPI DOHC TURBO) no (GDI DOHC) yes (GDI DOHC TURBO) |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.5-3.6 |
| Fuel type | petrol |
| Euro standards | EURO 1 (carburetor SOHC) EURO 2/3 (MPI SOHC) EURO 3 (MPI DOHC) EURO 3 (MPI DOHC TURBO) EURO 4 (GDI DOHC) EURO 4 (GDI DOHC TURBO) |
| Fuel consumption, L/100 km (for Mitsubishi Galant 1995) — city — highway — combined |
9.7 5.7 7.4 |
| Engine lifespan, km | ~350 000 |
| Weight, kg | 145 |
Disadvantages of the Mitsubishi 4G93 engine
The direct fuel injection system’s frequent vagaries are well-known for GDi modifications;
Rapid hydraulic lifter failure is an issue with all motor versions; an unclean idle speed controller causes the engine to stall on its own;
An oil burn typically starts when rings appear on runs longer than 150,000 kilometers; if the oil level is missed, there is a very high chance that the liners will turn.