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Insight Horizon Media

Which Subaru engine is the most reliable?

Author

Michael Henderson

Published Mar 09, 2026

Which Subaru engine is the most reliable?

The next-generation 2023 STI will likely be powered by the reliable 2.4-liter turbocharged engine currently used in the 2022 Ascent, 2022 Outback, 2022 Legacy, and all-new naturally-aspirated 2.4-liter in the 2022 BRZ sports coupe….Subaru Reliability – The Most Reliable And Least Reliable Years And Models.

New ForesterForester Cabin
Forester rearForester front

What Subaru has a EJ22 engine?

Impreza
EJ22 (2.2L Boxer Turbo/NA) Usage: Impreza 95-01. Legacy 90-99, Outback 95-96.

Is the EJ22 SOHC?

The EJ22T is 91-94 USDM Legacy Turbo engine. The power is 165 hp. It has SOHC aluminum cylinder heads, oil sprayer inside the block, fully closed deck and no intercooler. Its power is 280 hp at 6000 rpm and 268 lb-ft of torque at 3200 rpm.

Which Subarus have engine problems?

Engine Computer Issues – 2019 Recall #1 The models affected were Imprezas, model years 2017, 2018, 2019; and the Crosstrek, model years 2018 and 2019. Subaru will address the issue by updating the computer software and replacing the coils and fuses required.

How much HP can a EJ25 handle?

300 whp: The EJ20/EJ25 engines can handle 300 whp maximum with stock internals with no further modifications other than a proper fuel management tune.

Which EJ engine is the best?

As far as the best years, obviiously the STi engine and 6 speed manual trans is the best. Boost is about 16-17 psi stock and they were rated at 290-300hp/tq. It also has brembo bigger brakes and the 5×114.

Is EJ22 closed deck?

EJ22 Closed Deck Block. There are no longer any new closed deck blocks available to buy. We source low mileage blocks from a number of sources, and prepare them ourselves ready for your build.

What engine does the 22B have?

EJ22G engine
The 22B had the EJ22G engine (note, the internal Subaru material states the closed-deck block comes from a version III EJ20G). This means the displacement was increased from 2.0 L (1,994 cc) to 2.2 L (2,212 cc), bored up to 96.9 mm (3.81 in).

What is the most reliable year for Subaru?

CR and IIHS say the best used Subaru models are the Subaru Forester (2016 or newer), Subaru Outback (2014 or newer), Subaru Crosstrek (2018 or newer), Subaru Impreza (2014 or newer), and Subaru Legacy (2013 or newer). If you cannot buy a new model now, which is the best year if you shop for a three-year-old SUV?

What year did Subaru fix head gasket problems?

Subaru is aware of the head gasket issues and in 2014 began outfitting all their models with different head gaskets that have rectified the issue. Pro-Tip: Before your factory warranty expires, it’s a good idea to have your Subaru completely checked out to ensure everything is working the way it should.

How reliable is the EJ22 motor?

I don’t know of any cars that came with a “bad” EJ22 motor The EJ22 has always been pretty reliable in its 3 forms: 1) The Phase I, beginning with the 1990 Legacy. SOHC, dual-port, non-interference, hydraulic lifters, 9.5:1 CR, 130hp. 2) The EJ22T, beginning with the 1991 Legacy Turbo and ending with the 1994 Legacy Turbo.

What does EJ22 mean on a Subaru Impreza?

In 1989, Subaru started producing EJ22 for their Impreza and Legacy models. A campaign to satisfy the consumers with continuous engine development in succession and modification throughout the years. The EJ family of engines is intended to replace the EA engines of the same automaker.

How much horsepower does a Subaru EJ22 have?

Naturally aspirated and turbocharged versions are available, ranging from 96 to 320 horsepower. The EJ22 is probably the most reliable Subaru motor in history. They are unstoppable.

What is the most reliable Subaru engine?

The EJ22 is probably the most reliable Subaru motor in history. They are unstoppable. Beginning in the 1997 model year, the 2.2 liter engine for 1997 Legacy and Impreza models had internal and external changes that yield an approximately 10% increase in power and 3% increase in fuel economy.