Bore, stroke, displacement and compression for all 4 Mazda Skyactiv-X engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 25 | 152.5 ci | 3.5039" × 3.937" | 15:1 | 200 |
| PY-VPTS (Skyactiv-X) | 152.4 ci | 3.5039" × 3.937" | 16.3:1 | 186 |
| HF-VPS | 122 ci | 3.2874" × 3.5906" | 16.3:1 | 180 |
| HF-VPS | 121.9 ci | 3.2874" × 3.5906" | 16.3:1 | 180–186 |