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.
Skyactiv-D family: S8-DPTS, SH-VPTS, S5-DPTS, T3-VPTH, T3-VPTS.
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 |
The engine was installed on:
- Mazda 3 BM since 2018;
- Mazda CX-3 DK since 2018;
- Mazda CX-30 DM since 2019.
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.
Frequently asked questions about the Mazda S8-DPTS
How much power does the Mazda S8-DPTS make?
The Mazda S8-DPTS develops 115 hp and 270 Nm of torque.
How much oil does the Mazda S8-DPTS take and which one?
Engine oil capacity: 5.1 liters. Recommended oil: 5W-30.
Does the Mazda S8-DPTS have a timing belt or chain?
The Mazda S8-DPTS uses a timing chain.
Is the Mazda S8-DPTS turbocharged?
Yes, the Mazda S8-DPTS is turbocharged (VGT).
Does the Mazda S8-DPTS need valve clearance adjustment?
No, the Mazda S8-DPTS has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mazda S8-DPTS last?
The typical lifespan of the Mazda S8-DPTS is ~260 000 km with proper maintenance.
What is the fuel consumption of the Mazda S8-DPTS?
Mazda CX-3 2019: city 4.8, highway 4.1, combined 4.4 L/100 km.
What cars was the Mazda S8-DPTS installed on?
Mazda 3 BM since 2018; Mazda CX-3 DK since 2018; Mazda CX-30 DM since 2019.
What are the common problems of the Mazda S8-DPTS?
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. All known problems.
