Engine Toyota 2AR-FSE

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.

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 Crown S210 in 2012 – 2018;
  • Lexus IS 300h XE30 since 2013;
  • Lexus GS 300h L10 since 2013.

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 98
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

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.

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