Are Subarus Reliable? An overview of the brand

Are Subarus Reliable? A Comprehensive Look at Known Problems, Repair Costs, and Brand Comparison

Subaru, known for its all-wheel-drive (AWD) vehicles and boxer engines, enjoys a reputation for building rugged and practical cars. Subaru is often praised for its rugged, practical designs and dependable performance in challenging conditions. However, like all automakers, Subaru has faced some recurring issues that can impact its reliability. This article explores Subaru’s known problems, highlights the affected model years, and compares the brand’s reliability to other manufacturers. These are the flaws you must know about,when asking, are Subarus reliable?

Subaru’s Head Gasket Failure Issue

A common concern for anyone researching, are Subarus reliable?, is the head gasket failure associated with Subaru’s EJ-Series 2.5L boxer engines. This problem was particularly prevalent in models produced between the late 1990s and early 2010s. These engines, found in the Outback, Forester, and Impreza, were prone to head gasket failures, but the issue was mostly limited to non-turbocharged versions of the EJ-Series Phase II engines.

Cause of the Head Gasket Problem

Subaru used single-layer composite gaskets coated with graphite, which tended to fail between 100,000 and 150,000 miles. On dual-overhead cam (DOHC) engines, coolant would leak into the combustion chamber and burn with the fuel. In single-overhead-cam (SOHC) engines, the gasket failure caused coolant and oil to leak externally.

The Fix: Multi-Layer Steel Gaskets

Subaru addressed the head gasket issue with an improved gasket design from 2010 onward, significantly reducing the risk in newer models. However, those considering older Subarus should be cautious. The cost to fix a head gasket failure typically runs around $3,000.

Subaru’s CVT Transmission Problems

Another factor to consider when asking are Subarus reliable? is the widespread issue with the brand’s Continuously Variable Transmission (CVT). While CVTs offer benefits in fuel efficiency, all CVTs have proven more prone to failure than traditional automatic transmissions, affecting Subaru’s reliability ratings during the 2010s.

The most common issue with Subaru’s CVT involves worn shift control solenoids within the valve body. Unfortunately, Subaru’s design does not allow for solenoid replacement, requiring the entire valve body to be replaced instead. The good news is that Subaru has offered an extended warranty on CVTs through the 2017 model year. Models from 2018 onward benefit from a redesigned valve body that addresses this problem.

Transmission Comparison

When comparing Subaru to other automakers using CVT technology, the brand’s transmission reliability falls behind Toyota, which also uses CVTs but has fewer reported issues. Brands like Mazda, which still rely on conventional automatic transmissions, tend to score higher in reliability.

Subaru’s Oil Consumption Problem (2011-2015)

Subaru also faced challenges with excessive oil consumption in certain models produced between 2011 and 2015, mainly affecting vehicles equipped with the FB-Series engines, including the Forester, Outback, and Crosstrek. Faulty piston rings were responsible for this issue, leading to higher-than-normal oil consumption. In severe cases, drivers reported needing to top off their oil every 1,000 to 2,000 miles.

Affected Models and Repair Costs

Affected models include the 2011-2015 Subaru Forester, Outback, Impreza, and Crosstrek. The estimated repair cost for piston ring replacement ranges from $2,500 to $3,500. While Subaru did address this problem through warranty repairs, potential buyers of used models should remain cautious.

General Reliability of Subaru

Subaru generally ranks above average in reliability according to studies conducted by Consumer Reports and J.D. Power. The brand’s symmetrical AWD system is a core strength, offering superior handling in adverse conditions. Subaru vehicles are also known for their longevity, with many models surpassing 200,000 miles with regular maintenance.

How Subaru’s Reliability Compares to Other Brands

When evaluating are Subarus reliable?, it’s helpful to compare the brand with others in terms of long-term reliability. Subaru consistently ranks higher than average but falls short of top-tier brands like Toyota, Lexus, and Mazda. While Subaru has dealt with head gasket, oil consumption, and CVT transmission problems, the brand’s simple engineering and AWD system continue to appeal to drivers who need reliability in harsh conditions.

Long-Term Durability

Subaru’s reliability shines in its long-term durability. Thanks to the AWD system, Subaru vehicles are often driven in challenging environments, including areas with heavy snowfall or off-road terrain. Many Subaru models have loyal followings due to their ability to handle adverse conditions while maintaining a long service life, often reaching 200,000 miles or more.

Conclusion: Are Subarus Reliable?

Many people remain loyal to Subaru due to its strong fuel efficiency, low cost of ownership, and excellent safety features. Despite the higher repair costs sometimes associated with the well-known head gasket issues in the boxer engine, Subarus are known for their longevity, often surpassing 200,000 miles. Additionally, used Subarus are considered safe and reliable choices, making them ideal for new drivers.

In conclusion, Subaru is generally a reliable brand, particularly in terms of longevity, safety, and handling in adverse conditions. However, some specific models and years have faced significant mechanical issues, including head gasket failures, CVT transmission problems, and excessive oil consumption. These issues can lead to costly repairs, making it essential for potential buyers to research specific model years prone to such problems carefully.

Subaru’s overall reliability is favorable compared to other brands, but it falls short of the near-flawless reputation enjoyed by Toyota and Honda. Nevertheless, Subaru remains an excellent choice for drivers who prioritize AWD performance, safety, and long-term durability. For those considering a Subaru, it is advisable to avoid the problematic model years and choose newer models with improved designs.

In short, are Subarus reliable? Yes, they are, but like any brand, understanding the specific challenges associated with certain models is crucial for making an informed decision. Regular maintenance and awareness of known issues can help keep any Subaru running smoothly for the long haul.

For another opinion on Subaru vehicles, see this post from TorqueNews.com

©, 2024 Rick Muscoplat