Quick Answer: Is The Subaru Boxer Engine Reliable?

Why are boxer engines unreliable?

Due to the low, wide mount, the boxer engine can prove difficult to service.

Even changing spark plugs can be a substantial job.

However, boxer engines are known for their reliability, and should require less service than most other engine types..

Why do Subaru engines fail?

Below are a few of the reasons why many believe Subaru Piston ringlands fail. At the end of the day, the biggest reason is excess heat and pressure generated by engine knock, detonation, or pre-ignition.

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.

Why are Subaru engines so noisy?

The release of the high-pressure combustion gasses entering the exhaust system causes this noise. Depending on several different inputs into the ECU, such as engine coolant temperature and throttle opening angle, this noise could occur until the engine coolant temperature reaches the desired temperature.

Is Subaru better than Toyota?

They both sell vehicles that provide great reliability, value, and performance. Subaru vehicles are famous for their focus on safety, something Toyota is also now addressing. When you compare models head-to-head, you’ll be convinced that Subaru is a better value and a more durable vehicle.

What is the most reliable Subaru?

The 2020 Subaru Crosstrek It prevails as both the best overall as well as the most reliable. Redesigned in 2018, the Crosstrek has proved itself by earning a 5 out of five reliability rating from CR in every year of its new generation so far.

Why does Subaru still use boxer engines?

Subaru is dedicated to making the drivability of its cars better and better, and the boxer power unit is one of the reasons it has smoother acceleration. Unlike a standard V-shaped engine, the boxer is positioned horizontally and reciprocates the horizontal pistons.

What year Subaru has head gasket problems?

The breakdown of the affected models are the Subaru Forester from 1999-2010, Impreza from 1999 to 2011, Outback from 2000-2011, Legacy from 2000-2009, and Baja from 2003-2005. The wide range of Subaru head gasket problems means that numerous models have engine issues.

What are common problems with Subarus?

The Most Common Subaru ProblemsProblems with Air Conditioning O-Rings. One common problem facing the owners of is the problem of the vehicle’s air conditioning working properly. … Problems with the Inner Joint Boots. … Problems with the Head Gaskets. … Problems with Front Suspension. … Collins Automotive.

Do Subarus have engine problems?

The Subaru EJ25 2.5-liter Boxer is the engine that has experienced the most problems for the Japanese automaker. … But some 2001-2009 engines still had the problem. Consumer Reports says the older Subaru models using this engine will typically start to have head gasket issues around 90,000 to 150,000 miles.

Is the Subaru 2.5 a good engine?

Despite Subaru’s track record for reliable vehicles, their 2.5 L engine has become almost infamous in the automobile industry for having problems. Specifically, these engines have been susceptible to leaking head gaskets and it was such an ongoing issue that it almost became a joke amongst mechanics.

Do Subarus hold their value?

Subaru has been awarded Kelley Blue Book’s best resale value in overall brand. … Subaru won in the compact car category with its “Impreza”, midsize with the “Legacy”, and its “Forester”, “Crosstrek”, and “Outback” SUV’s. The average new car will only retain 37% of its value after 5-years.

Are boxer engines more powerful?

Boxer engines derive several performance advantages inherent to their design, since the center of gravity on an opposed engine is much lower to the ground compared to an in-line or V design. … Lower profile also makes power transmission more even, as the engine is on a plane closer to the rest of the drive-train.

How long do Subaru boxer 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.

Which Subaru engines to avoid?

Subaru 2.5-L Turbo Four Cylinder Owners of 2009-14 Subaru Impreza WRX and WRX STI models have launched a class-action lawsuit, alleging the pistons and PCV (positive crankcase ventilation) systems in the high-performance 2.5-L turbocharged engines may overheat or malfunction, requiring a king’s ransom in repairs.

What year Subaru is the best?

CR and IIHS say the best Subaru models are the Subaru Forester (2016 or newer), Subaru Outback (2013 or newer), Subaru Crosstrek (2018 or newer), Subaru Impreza (2014 or newer), and Subaru Legacy (2013 or newer).

What is wrong with the Subaru Forester?

The main Subaru Forester problems for the engine category in the 2017 model include the car stalling while accelerating, the excessive oil consumption, and the car having unintended acceleration.

Why are boxer engines bad?

On one hand, the boxer engines provide an unmatched performance to a sports car. However, the wide configuration makes it a bit hard to work on these mechanically. Besides, the obstruction of airflow they create in the engine area might even lead to their failure at high speeds.

What Subaru engine is the best?

Review the 4 Best Subaru Engines to Buy Both New and UsedSubaru FB20D. Figure 2: This 2.0L FB20D from Subaru is the beating heart of the modern Impreza. Source: J-Spec Auto. … Subaru EZ36D. Figure 4: The EZ36D engine. … Subaru EJ257. This cute little guy is the Subaru EJ257 engine. … Subaru EJ20T WRX STI. Figure 7: An EJ20T engine solidly housed in an Impreza STI.

Is the Subaru boxer engine good?

Porsche is the only other automaker that uses the flat, H-shaped, opposed-piston “boxer” engine. It’s a good design and it’s winning awards. Subaru’s 2.0-liter turbo boxer WRX just picked up its second consecutive Wards 10 Best engines award. … They will continue to use the engine to power their vehicles.

Do Subarus have alot of problems?

The most common problem Subaru Outback owners may face is serious vibration and shuddering in the engine. Many reported the vibrations upon acceleration specifically. … Those who experienced these issues owned Outback models with an average of 112,000 miles.