The 2.5-liter Toyota 2AR-FXE engine has been assembled since 2011 at enterprises in Japan and the USA and put on hybrid versions of the concern’s popular models, including those under the Lexus brand. The unit is very economical, as it works on the Atkinson cycle and is equipped with a Dual VVT-i system.
The AR family includes engines: 6AR‑FSE, 8AR‑FTS, 2AR‑FE, 2AR‑FXE, 2AR‑FSE, 5AR‑FE, 1AR‑FE.
The engine was installed on:
- Toyota Alphard AH30 since 2015;
- Toyota Avalon XX40 in 2012 – 2018;
- Toyota Camry XV50 in 2011 – 2017;
- Toyota Harrier XU60 since 2013;
- Toyota RAV4 XA40 in 2012 – 2018;
- Lexus ES 300h XV60 in 2012 – 2018;
- Lexus NX 300h AZ10 since 2014.
Specifications
| Production years | since 2011 |
| Displacement, cc | 2494 |
| Fuel system | injector MPI |
| Power output, hp | 152 – 161 |
| Torque output, Nm | 206 – 213 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 90 |
| Piston stroke, mm | 98 |
| Compression ratio | 12.5 |
| Features | Hybrid |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Dual VVT-i |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.4 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Toyota Avalon Hybrid 2015) — city — highway — combined |
6.0 5.9 5.9 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 149 |
Disadvantages of the 2AR-FXE engine
- The reliability of the engine is at a high level, it has almost no weak points;
- Of all the nodes up to 100 thousand km, only a water pump can fail;
- A number of owners complain about the crackling of the VVT-i clutches, but only during a cold start;
- Closer to 200 thousand kilometers, a single-row timing chain can stretch.
