Hyundai 122ci specs: 86 x 86 mm (3.3858 x 3.3858 in) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 122 ci |
|---|---|
| Cylinders | 4 |
| Bore | 3.386" |
| Stroke | 3.386" |
| Compression | 9.5:1 |
| Advertised power | 210–276 hp |
| Years | 2010–2026 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Theta II 2.0 T-GDi | 122 ci | 3.3858" × 3.3858" | 9.5:1 | 250–276 |
| Theta II G4KF | 122 ci | 3.3858" × 3.3858" | — | 210 |
Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.