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Volkswagen CKRA / CRUA specs: 2.0L (120 ci) 4-cylinder, 81 x 95.5 mm (3.1890 x 3.7598 in) bore and stroke. Rated 140-150 hp, 2012–2015.
The Volkswagen CKRA / CRUA is undersquare — the 3.7598" stroke exceeds the 3.189" bore by 15.2% — a layout that trades peak RPM for leverage and torque low in the range. The 3.7598" stroke puts mean piston speed at 4,000 ft/min around 6,400 RPM, which is where a production bottom end is generally considered at its limit. Each of the 4 cylinders displaces 30.0 ci (492 cc).
It is one of 5 engines in the Volkswagen 120ci family, all of them 120 ci — the differences between them are in compression, heads and rating, not displacement. 4 factory variants share these dimensions, rated from 140 to 150 hp across 2012–2015.
| Displacement | 120 ci / 2 L |
|---|---|
| Bore | 3.189" |
| Stroke | 3.7598" |
| Cylinders | 4 |
| Configuration | I4 |
| Compression ratio | 16.2–16.5:1 (published figures vary) |
| Bore/stroke ratio | 0.848 |
| Fuel type | diesel |
|---|---|
| Advertised HP | 140–150 hp |
| Years | 2012–2015 |
| Bore/stroke character | 0.848 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,760 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 30.0 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 |
|---|---|---|
| 2012 | 140 hp | CKRA / CRUA |
| 2013 | 140 hp | CKRA / CRUA |
| 2014 | 140 hp | CKRA / CRUA |
| 2015 | 150 hp | CKRA / CRUA |
3 factory vehicles, 2011–2015. Each year opens that model's engine table.