Bore, stroke, displacement and compression for all 14 Mazda Rotary engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 20B-REW | 119.7 ci | 4.1339" × 3.1496" | 9:1 | 280 |
| 13B-T | 80 ci | 4.1339" × 3.1496" | 8.5:1 | 185 |
| 13B MSP Renesis | 80 ci | 4.1339" × 3.1496" | 10:1 | 232 |
| 13B-T | 80 ci | 3.5433" × 3.1496" | 8.5:1 | 185 |
| 13B-REW | 80 ci | 3.5433" × 3.1496" | 9:1 | 255 |
| 13B-MSP (Renesis) | 80 ci | 3.5433" × 3.1496" | 10:1 | 232 |
| 13B | 79.8 ci | 3.5433" × 3.1496" | 9.4:1 | 135 |
| 13B-T (Series 5) | 79.8 ci | 4.1339" × 3.1496" | 9:1 | 200–255 |
| 13B-REW | 79.8 ci | 3.5433" × 3.1496" | 9:1 | 255 |
| 13B Rotary Turbo Series4 | 79.8 ci | 4.1339" × 3.1496" | 8.5:1 | 182 |
| Renesis 13B MSP | 79.8 ci | 4.1339" × 3.1496" | 10:1 | 232 |
| 12A | 70 ci | 3.5433" × 3.1496" | 9.4:1 | 100 |
| 12A Turbo | 70 ci | 4.1339" × 2.7559" | 8.5:1 | 160 |
| 10A | 59.9 ci | 3.5433" × 2.7559" | 9.4:1 | 100 |