The 1.8-liter Mazda S8-DPTS or Skyactiv-D 1.8 diesel engine was first introduced only in 2018 and is installed only on the latest generation of the Mazda 3 model, as well as the CX-3 and CX-30 crossovers. There is a diesel version under the S8-DPTR index, equipped with the i-ELOOP recovery system.
The Skyactiv-D family also includes internal combustion engines: S5‑DPTS and SH‑VPTS.
The engine was installed 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
- The Common Rail Denso system with piezo injectors is demanding on fuel quality;
- This motor complies with Euro6-D Temp and has a sophisticated exhaust aftertreatment system.
