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Toyota B48B20 specs: 2.0L (122 ci) 4-cylinder. Rated 255 hp, 2021–2024. Used in the Toyota Supra. Rod ratio and piston speed worked out.
Each of the 4 cylinders displaces 30.5 ci (500 cc).
4 factory variants share these dimensions, rated at 255 hp across 2021–2024.
| Displacement | 122 ci / 2 L |
|---|---|
| Cylinders | 4 |
| Configuration | I4 |
| Fuel type | gas |
|---|---|
| Advertised HP | 255 hp |
| Years | 2021–2024 |
| Displacement per cylinder | 30.5 ci |
|---|
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 2021 | 255 hp | B48B20 |
| 2022 | 255 hp | B48B20 |
| 2023 | 255 hp | B48B20 |
| 2024 | 255 hp | B48B20 |