The 2.5-liter Toyota 2AR-FSE engine has been produced since 2012 in Japan and the USA and is installed on hybrid versions of popular rear-wheel drive sedans. The unit operates on the Atkinson cycle and is equipped with a combined injection system D4-S: a combination of direct and distributed.
AR family: 1AR-FE, 2AR-FE, 2AR-FSE, 2AR-FXE, 5AR-FE, 6AR-FSE, 8AR-FTS.
Specifications
| Production years | since 2012 |
| Displacement, cc | 2494 |
| Fuel system | combined injection D4-S |
| Power output, hp | 178 |
| Torque output, Nm | 221 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 90 |
| Piston stroke, mm | 98 |
| Compression ratio | 13.0 |
| 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 Lexus IS 300h 2015) — city — highway — combined |
4.6 4.6 4.4 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 151 |
The engine was installed on:
- Toyota Crown S210 in 2012 – 2018;
- Lexus IS 300h XE30 since 2013;
- Lexus GS 300h L10 since 2013.
Disadvantages of the 2AR-FSE engine
- This motor is considered one of the most reliable in its class;
- When starting the engine, a characteristic crackle from the VVT-i can be heard;
- The water pump sometimes gives up on a run of 50 – 80 thousand kilometers;
- After 200 thousand km, there is a high risk of stretching a single-row timing chain.
Frequently asked questions about the Toyota 2AR-FSE
How much power does the Toyota 2AR-FSE make?
The Toyota 2AR-FSE develops 178 hp and 221 Nm of torque.
How much oil does the Toyota 2AR-FSE take and which one?
Engine oil capacity: 4.4 liters. Recommended oil: 5W-30.
Does the Toyota 2AR-FSE have a timing belt or chain?
The Toyota 2AR-FSE uses a timing chain.
Is the Toyota 2AR-FSE turbocharged?
No, the Toyota 2AR-FSE is naturally aspirated.
Does the Toyota 2AR-FSE need valve clearance adjustment?
No, the Toyota 2AR-FSE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Toyota 2AR-FSE last?
The typical lifespan of the Toyota 2AR-FSE is ~300 000 km with proper maintenance.
What is the fuel consumption of the Toyota 2AR-FSE?
Lexus IS 300h 2015: city 4.6, highway 4.6, combined 4.4 L/100 km.
What cars was the Toyota 2AR-FSE installed on?
Toyota Crown S210 in 2012 - 2018; Lexus IS 300h XE30 since 2013; Lexus GS 300h L10 since 2013.
What are the common problems of the Toyota 2AR-FSE?
This motor is considered one of the most reliable in its class. When starting the engine, a characteristic crackle from the VVT-i can be heard. All known problems.
