2021 Subaru Legacy

The 2021 Subaru Legacy is a mid-size sedan known for its standard all-wheel drive and comfortable ride. Engine options included a 2.5-liter naturally aspirated four-cylinder engine producing 182 horsepower and 176 lb-ft of torque, and a 2.4-liter turbocharged four-cylinder engine that generates 260 horsepower and 277 lb-ft of torque. Both engines are paired with a Lineartronic CVT (Continuously Variable Transmission). Some owners appreciate the Legacy’s spacious interior, standard safety features, and all-weather capability. Common dislikes include the unremarkable styling and the CVT’s performance, which can feel sluggish at times.

Engine

2.5L Naturally Aspirated Engine

• Excessive Oil Consumption
  • Description/Symptoms: Some owners have reported higher than expected oil consumption, requiring more frequent oil top-offs between scheduled oil changes. The symptoms can include the low oil pressure warning light illuminating or noticing a burning oil smell.
  • Solution: Regular oil level checks and top-offs as needed. In severe cases, engine repair or replacement may be required.
  • Estimated Cost to Fix: For minor top-offs, the cost is minimal (cost of oil). Engine repair or replacement can range from $3,000-$7,000+ depending on the extent of the damage.
  • Recalls: None Found

2.4L Turbocharged Engine

• No Issues Found

Transmission

Lineartronic CVT (Both Engine Options)

• Harsh or Jerky Shifting
  • Description/Symptoms: Some owners have reported experiencing harsh or jerky shifting, particularly at lower speeds or during acceleration. This can manifest as a noticeable lurch or hesitation.
  • Solution: Software update to the TCU may help. In other cases, replacing the valve body may solve the issue. In severe cases, the transmission may need to be replaced.
  • Estimated Cost to Fix: TCU software update is usually covered by the dealership. Valve body replacement can range from $1,500 - $3,000. Transmission replacement can cost $4,000+.
  • Recalls: None Found
• CVT Chain Stretching/Failure
  • Description/Symptoms: The CVT chain can stretch or fail prematurely, leading to transmission slipping, reduced acceleration, and potential complete transmission failure.
  • Solution: Transmission replacement is typically required.
  • Estimated Cost to Fix: $4,000+
  • Recalls: None Found

Suspension

• No Issues Found

Electrical

• Infotainment System Freezing/Lagging
  • Description/Symptoms: The infotainment system can freeze, become unresponsive, or exhibit significant lag when performing various functions.
  • Solution: Software updates from the dealer. In severe cases, the head unit may need replacement.
  • Estimated Cost to Fix: Software updates are usually covered by the dealership. Head unit replacement can range from $500 - $1,500+.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Premature battery drain, especially when the vehicle is not driven for extended periods. This can result in difficulty starting the engine.
  • Solution: Ensure all accessories are turned off. A parasitic draw test can be performed to locate the source of the drain. Replacing the battery with a higher quality one can help if the issue persists.
  • Estimated Cost to Fix: $100 - $300+ for a new battery, depending on the brand and type.
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Sunroof Rattling/Creaking
  • Description/Symptoms: The sunroof may exhibit rattling or creaking noises when driving over bumps or uneven surfaces.
  • Solution: Lubrication of the sunroof tracks and seals. In some cases, adjustment or replacement of the sunroof components may be necessary.
  • Estimated Cost to Fix: Lubrication may be a minor expense. Component replacement can range from $200 - $800+.
  • Recalls: None Found

Summary

The 2021 Subaru Legacy has some reported issues, with the most common concerns relating to the transmission, infotainment system, and, in some cases, excessive oil consumption on the 2.5L engine. While some fixes are relatively inexpensive (software updates, lubrication), others like transmission or engine repairs can be costly. The potential for CVT issues should be a key consideration for potential buyers, as well as regularly monitoring the oil levels.