Engine Toyota A25A-FKS

The 2.5-liter Toyota A25A-FKS or 2.5 D-4S engine has been produced by the concern only since 2017 and is installed on such popular models as Camry, RAV4 and Lexus ES250. There is a version of this power unit for bioethanol operation under the symbol A25A-FKB.

The Dynamic Force family also includes the engines: A25A-FKS, A25A-FXS, M15A‑FKS, M15A-FXE, M20A‑FKS, M20A-FXS, T24A-FTS.

The engine was installed on:

  • Toyota Avalon 5 (XX50) since 2018;
  • Toyota Camry 8 (XV70) since 2017;
  • Toyota RAV4 5 (XA50) since 2018;
  • Lexus ES250 7 (XZ10) since 2018;
  • Lexus NX250 2 (AZ20) since 2021.

Specifications

Production years since 2017
Displacement, cc 2487
Fuel system combined injection D4-S
Power output, hp 200 – 210
Torque output, Nm 240 – 250
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 87.5
Piston stroke, mm 103.4
Compression ratio 13.0
Features balancers
Hydraulic lifters yes
Timing drive chain
Phase regulator VVT-iE + VVT-i
Turbocharging no
Recommended engine oil 0W-20
Engine oil capacity, liter 4.5
Fuel type 95
Euro standards EURO 6
Fuel consumption, L/100 km (for Toyota Camry 2021)
— city
— highway
— combined
9.3
5.4
6.8
Engine lifespan, km ~250 000

Disadvantages of the A25A-FKS engine

  • Most of the complaints on specialized forums are related to various knocks or noise under the hood.
  • The most discussed engine problem is leaks in the EGR liquid cooler.
  • Sometimes this heat exchanger cracks and antifreeze seeps into the combustion chamber.
  • At high mileage, the EGR system is finally clogged with deposits and wedges.

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