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Lexus 2AR-FXE specs: 2.5L (152 ci) 4-cylinder, 90 x 98 mm (3.5433 x 3.8583 in) bore and stroke. Rated 200 hp, 2013–2018. Used in the Toyota Camry. DOHC.
The Lexus 2AR-FXE is undersquare — the 3.8583" stroke exceeds the 3.5433" bore by 8.2% — a layout that trades peak RPM for leverage and torque low in the range. The 3.8583" stroke puts mean piston speed at 4,000 ft/min around 6,200 RPM, which is where a production bottom end is generally considered at its limit. Each of the 4 cylinders displaces 38.0 ci (623 cc).
It is one of 7 engines in the AR family, sitting between the 122 ci and 165 ci members. 6 factory variants share these dimensions, rated at 200 hp across 2013–2018.
| Displacement | 152 ci / 2.5 L |
|---|---|
| Bore | 3.5433" |
| Stroke | 3.8583" |
| Cylinders | 4 |
| Configuration | I4 |
| Bore/stroke ratio | 0.918 |
| Block material | aluminum |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 200 hp |
| Years | 2013–2018 |
| Year | Version | HP @ rpm | Torque @ rpm | Comp. |
|---|---|---|---|---|
| 2013 | 2AR-FXE net | 200 | — | — |
Factory specification sheet.
| Bore/stroke character | 0.918 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,858 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 38.0 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 |
|---|---|---|
| 2013 | 200 hp | 2AR-FXE |
| 2014 | 200 hp | 2AR-FXE |
| 2015 | — | 2AR-FXE |
| 2016 | — | 2AR-FXE |
| 2017 | — | 2AR-FXE |
| 2018 | — | 2AR-FXE |
4 factory vehicles, 2012–2018. Each year opens that model's engine table.