What Subaru engines are the least reliable? Subaru Report has documented the EJ25 2.5-liter turbocharged Boxer engine has had reliability problems. Subaru had three lawsuits claiming an engine defect in 2012-2017 WRX and WRX STI models equipped with the EJ25 2.5-liter turbocharged four-cylinder engine.

Besides, How long do Subaru 2.5 engines last?

While results will vary and the big variable is always how well the car has been maintained, what I can tell you is a Subaru is capable of going 300,000 miles. And if you are a regular maintenance type of owner you should expect to get that type of mileage out of it.

Keeping this in mind, Is the new Subaru boxer engine reliable? The latest Subaru boxer engines are part of the FB series boxer engines. This engine series has done well in reliability tests, and specifically the FB20D has been praised for its reliability.

Are all Subaru 2.5 engines the same?

YES, they are all pretty much the same.

Which Subaru engines have head gasket problems?

They have identified four popular Subaru models with the potential to have this engine issue. CR says the 2001-2009 Subaru Forester, 2001-2009 Subaru Outback, 2006-2008 Subaru Impreza, and the 2006 Subaru Baja are more likely to need the head gaskets replaced than other models.

Is 100000 miles alot for a Subaru?

Most Subaru models can be trusted to run, without major issue, for about 150,000 to 200,000 miles. That’s as long as owners perform routine maintenance and care of those vehicles. … In the end, it still only boils down to specific driving habits, routine oil changes, and basic vehicle care efforts.

How many miles do most Subarus last?

Most vehicles made by Subaru tend to last about 150,000 miles all the way up to 200,000. These cars are known for being relatively cheap to repair and maintain over time.

What is the most reliable Subaru engine?


Review the 4 Best Subaru Engines to Buy Both New and Used

  • Subaru FB20D. Figure 2: This 2.0L FB20D from Subaru is the beating heart of the modern Impreza. …
  • Subaru EZ36D. Figure 4: The EZ36D engine. …
  • Subaru EJ257. This cute little guy is the Subaru EJ257 engine. …
  • Subaru EJ20T WRX STI.

Is the Subaru 3.0 a good engine?

Summarizing, the engine has proven itself as a good and reliable engine. The engine life is about 150,000-180,000 miles (250000-300000 km).

Is Boxer engine bad?

Boxer engines are large and complex that is their greatest fault. The engines have a larger widths when compared to an inline 4 or a V6. If you have ever replaced spark plugs on a Subaru those engines are shoehorned in very tight.

Is the Subaru 3.6 engine reliable?

This 3.6-liter engine has almost the same problems, which are characterized the 3.0l EZ30 engine. But we can say what the EZ36 is more reliable than its predecessor. The engine life is about 180,000 miles (300,000 km).

What is the difference between a Subaru 2.5 and a 2.5 i?

Key differences between the new Subaru Outback 2.5i and the 2.5i Limited are as follows: Dual-zone climate control is standard with the 2.5i Limited, but the 2.5i has manual air conditioning. The 2.5i trim level comes with 17-in. silver finish aluminum-alloy wheels, while the 2.5i Limited adds 18-in.

How are Subaru engines different?

Instead of pistons moving straight up and down, or at an angle like most engines, the pistons of the SUBARU BOXER® engine are laid flat and move parallel to the ground. The unique punch, counter-punch action is inherently smoother, and the low, horizontal layout is more balanced and stable.

Does Subaru 3.6 have head gasket problems?

Head gasket failures are less common on the Subaru 3.0 and 3.6 L H6 models like the Tribeca. They are also rare on the turbo models such as the turbo Baja, Impreza WRX, and Impreza WRX STI.

What is high mileage for a Subaru Outback?

The Subaru Outback is a reliable, durable vehicle that can last between 250,000 to 300,000 miles when properly maintained and driven conservatively.

Do Subarus break down a lot?

Subaru has experienced a lot of ups and downs over the last few years, and in 2016 the drop in their reliability was enough that they dropped to 18th out of 36 in the dependability scale as awarded by ReliabilityIndex. However, things have started to look up for them since then.

What is considered high mileage for a Subaru Forester?

Forbes says the new Subaru Forester is one of the top 5 vehicles to run for more than 250,000 miles.

Why are Subarus so unreliable?

One of the core reasons that Subaru reliability has dropped is due to the problems that the Outback and Legacy have had with in-car technology. This is a common reason for declining dependability in a number of makes and models since the early 2000s. Many cars today have a great deal of new and complex technology.

What are common problems with Subarus?


The Most Common Subaru Problems

  • Denso Fuel Pump Failure. …
  • CAN System Parasitic Drain on the Battery. …
  • Unintended Acceleration. …
  • Brake Light Switch Defect. …
  • Cracked Windshields. …
  • Subaru STARLINK Problems. …
  • Lineartronic CVT Reliability. …
  • Rodents Chew Subaru’s Soy Wires.

Do Subarus last as long as Toyotas?

Reliability is an important factor for car shopping because every driver wants their vehicle to last for as long as possible. Most people think of Toyota when considering reliability. … Subaru is also considered to be one of the most reliable car brands on the market.

Are Subaru engines reliable?

According to Consumer Reports, it has performed really well over the past few years in its predicted reliability tests, scoring mainly 5 out 5 in the Engine Major category, which accounts for major engine repairs like engine rebuilds or replacement, as well as cylinder head, head gasket, turbo or supercharger, and …

What is the best EJ engine?

Of all the engines in the EJ series, two are clear standouts when it comes to rebuilding for performance applications – the EJ257 and EJ207. The U.S.-marketed STI featured the EJ257, while the EJ207 is considered the holy grail from Japan.

Do Subaru 3.0 H6 have head gasket problems?

Head gasket failures are less common on the Subaru 3.0 and 3.6 L H6 models like the Tribeca. They are also rare on the turbo models such as the turbo Baja, Impreza WRX, and Impreza WRX STI.

Is the H6 3.0 a good engine?

The 3.0’s are a pretty solid power unit. I’ve just never been impressed with their power output or fuel economy. I wouldn’t consider them any more or less reliable then any other subaru engine.

Is the H6 reliable?

Hardly anything ever goes wrong with the H6. It’s very very reliable.