Only the most recent iteration of the Mazda 3 model, as well as the CX-3 and CX-30 crossovers, are equipped with the 1.8-liter Mazda S8-DPTS or Skyactiv-D 1.8 diesel engine, which was first introduced in 2018. A diesel version with the i-ELOOP recovery system is available under the S8-DPTR index.
The S5-DPTS and S5-VPTS internal combustion engines are also part of the Skyactiv-D family.
The engine was mounted on:
- Mazda 3 BM since 2018;
- Mazda CX-3 DK since 2018;
- Mazda CX-30 DM since 2019.
Specifications
| Production years | since 2018 |
| Displacement, cc | 1756 |
| Fuel system | Common Rail |
| Power output, hp | 115 |
| Torque output, Nm | 270 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 79 |
| Piston stroke, mm | 89.6 |
| Compression ratio | 14.8 |
| Features | DOHC, intercooler |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | VGT |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.1 |
| Fuel type | diesel |
| Euro standards | EURO 6d |
| Fuel consumption, L/100 km (for Mazda CX-3 2019) — city — highway — combined |
4.8 4.1 4.4 |
| Engine lifespan, km | ~260 000 |
Disadvantages of the S8-DPTS engine
Fuel quality must be met by the Common Rail Denso system with piezo injectors; this motor has an advanced exhaust aftertreatment system and complies with Euro6-D Temp.