Question: Are Boxer Engines Reliable?

How long do Subaru engines last?

How Many Miles Can I Get Out Of My Subaru.

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..

Is the Subaru boxer engine a Porsche?

Subaru is the only automaker on the planet that uses the boxer engine in its entire lineup. They use it in the Forester, Outback, Crosstrek, Impreza, WRX/STI, Legacy and BRZ. 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.

Why do Subaru engines sound different?

The Subaru boxer is of the horizontally-opposed flat design. … That’s only part of what gives it that unique sound, however, as it’s more about the design of the headers. The 2.5-liter Subaru engine makes use of something called unequal length headers, which are exactly what they sound like.

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.

Why do Subaru engines burn oil?

Over time the internal components of your engine such as the piston oil control rings, valve stem seals, valve guides and cylinder walls can all wear to the point where more oil is actually introduced into the combustion chamber than originally designed.

What do the 6 stars on Subaru mean?

Surely you’re already wondering, why are there only six stars in Subaru’s logo if it’s named after a constellation of seven daughters? … In Subaru’s logo, the large star symbolizes Fuji Heavy Industries and the five smaller stars indicate the five companies that merged to form FHI.

Is Boxer engine better than inline?

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. This allows for better lateral acceleration. In addition, the benefits to handling are enormous.

What are the advantages of a boxer engine?

Low Center Of Gravity Designed to lay horizontally in the engine bay, the Subaru Boxer Engine offers a lower center of gravity. This lower center of gravity provides for better balance and stability – offering better control.

Why do boxer engines burn oil?

Boxer engines can burn more oil. Oil more easily pools in the cylinder heads and can leak into the cylinder. Likewise, oil finds its way to the bottom of the cylinder and stays there longer vs gravity taking it down past the rings.

Is a boxer engine a flat 4?

The most common type of flat-four engine is the boxer-four engine, each pair of opposed cylinders moves inwards and outwards at the same time. A boxer-four engine has perfect primary and secondary balance, however the two cylinder heads means the design is more expensive to produce than an inline-four engine.

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.

Are boxer engines hard to work on?

The difficulty level of working on these engines will be defined by your mechanical ability and the type of work you plan on doing. Routine maintenance is fairly easy. … Naturally aspirated (non-turbo) engines are generally easier to work on as there are less components at play and more space under the hood.

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.

Do Subarus have alot of problems?

In 2016, Subaru scored a total VDS ranking of 166 (Problems per 100 Vehicles), in 2017, the Japanese automaker ranked 164 PP100 well below the industry average of 156. In 2018, Subaru slipped into the bottom quarter of all automakers with a 167 PP100 while the overall industry average improved 9 percent to 142.

Do boxer engines burn more oil?

Why do boxer engines burn oil? Boxer engines can burn more oil. Oil more easily pools in the cylinder heads and can leak into the cylinder. Likewise, oil finds its way to the bottom of the cylinder and stays there longer vs gravity taking it down past the rings.

Do Subaru engines burn oil?

FACT: Subaru designed today’s engines to operate longer between oil changes. After decades of reminding owners to change engine oil every 3,000 miles, engine and oil technologies now allow for up to six month or 6,000-mile maintenance intervals. FACT: Engines consume oil during normal operation.

How often does a Subaru need an oil change?

The newest Subaru cars will need an oil change after 6,000 miles or six months-whichever milestone you reach first. If you drive in severe conditions, you may want to change the engine oil at 3,000 miles or three months.

Why are boxer engines 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. Not all manufacturers want to work around that kind of width.

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.

Are Subarus hard to fix?

Yes, Subarus are more costly to fix. At least when compared to domestic brands, they are. Since there are fewer Subarus on the market, it is more difficult to find a mechanic who is familiar with all the models. … There are some fairly significant issues that have plagued many Subaru models in recent years.

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.