Engine Mazda S8-DPTS

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.


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
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.

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