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Subaru

Japan

Subaru is the quirky Japanese brand known for boxer engines, standard AWD, and a fiercely loyal owner community. Popular with outdoor enthusiasts and residents of snowy regions, Subarus are practical and capable but have some well-documented engine issues that buyers should be aware of.

3.5/5

Reliability Rating

$617/year

Avg. Annual Repair Cost

4

Models Covered

Reliability Rating

3.5/5 — Average

Subaru vehicles have average reliability. Some models are excellent while others have known issues — model selection is important.

Common Subaru Problems

Head Gasket Failure

High
$1,500 – $3,000

Subaru's boxer engines are notorious for external head gasket leaks. The 2.5L EJ25 engine uses a multi-layer steel gasket that can fail, causing external oil and coolant leaks.

Years affected: 1999-2011

External oil leak
Coolant leak
Overheating
Sweet smell from engine bay
Coolant level dropping

Oil Consumption (FB25 Engine)

Moderate
$0 – $3,000

The newer FB25 2.5L engine can consume excessive oil between changes. Subaru extended the warranty for some affected models.

Years affected: 2011-2017

Low oil between changes
Oil consumption 1 qt per 3,000 mi
Blue smoke

CVT Transmission Issues

Moderate
$0 – $5,000

Subaru's Lineartronic CVT can exhibit shuddering, hesitation, and premature failure. Subaru extended the CVT warranty to 10 years/100,000 miles.

Years affected: 2012-2019

Shuddering
Hesitation
Whining noise
Vibration at highway speed

Maintenance Tips for Subaru Owners

  • If you have a 2.5L EJ25 engine, have the head gaskets inspected at every oil change. Catching a leak early saves thousands.
  • Change the CVT fluid every 25,000-30,000 miles — much sooner than Subaru's recommended 60,000-mile interval.
  • Subaru boxer engines need valve cover gasket replacement around 100,000 miles — budget for it.
  • Check for oil leaks at every service. The boxer engine layout makes leaks harder to spot but easier to fix.

Subaru Models

Subaru Parts & Repair Notes

⚙️Timing Belt / Timing Chain
$500 – $2,000

Subaru 2.5L engines use timing belts. Replace every 105,000 miles along with the water pump. The 2.0L FA20 (BRZ/86) uses a timing chain.

⚙️Head Gasket
$1,000 – $3,000

Subaru 2.5L EJ25 engines (1999-2011) are notorious for external head gasket leaks. It's a when-not-if repair. Budget $1,500-$3,000 and have it done proactively if buying a used Subaru.

🛑Brake Calipers
$200 – $600 per caliper

Subaru rear brake calipers are known for seizing, especially in rust-belt states. Regular slide pin lubrication helps.

🔧Wheel Bearing
$200 – $600 per wheel

Subaru wheel bearings are a known weak point, especially on older Imprezas and Foresters. They often need replacement by 80,000 miles. Budget $200-$450 per wheel.

⛓️Transmission Fluid
$100 – $400

Subaru CVTs need fluid changes every 25,000-30,000 miles — much sooner than the 60,000-mile recommendation. This dramatically extends CVT life.

⛓️CV Axle (CV Joint / Half Shaft)
$200 – $600 per axle

Subaru AWD systems have 4 CV axles. Inner CV joints can develop a clunk when shifting due to the AWD system. Budget $200-$400 per axle.

Fuel Pump
$400 – $1,000

2018-2020 models from multiple Japanese manufacturers are covered under the Denso fuel pump recall. The fuel pump impeller can crack, causing stalling. Check NHTSA.gov for your specific vehicle.

🛞Tires
$400 – $1,200 (set of 4)

Subaru AWD systems require all four tires to match in circumference. Replace all four tires at once, or match the tread depth of existing tires within 2/32 inch.

Buying Advice for Subaru

Subarus are excellent vehicles for AWD capability and practicality, but know the engine generation you're buying. The 2012+ FB25 engine fixed the head gasket issue but introduced oil consumption. The 2019+ models seem to have resolved both issues. Best value: 2018-2021 Crosstrek or Forester with the FB25 — prices are reasonable and the CVT warranty covers you. Avoid 2005-2009 Outbacks and Foresters with the EJ25 unless head gaskets have been replaced.

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