Common Problems with the
2021 Subaru BRZ

We've identified 2 known issues that can affect the 2021 Subaru BRZ. None are considered critical, but they're worth knowing about before you buy.

2
Known Issues
0
Serious
0
Moderate
2
Minor

The 2021 period has 1 more issue than the Subaru BRZ average across all year periods.

All Known Issues

High-Pressure Fuel Pump Chirping

MinorEngine

The direct-injection fuel pump produces a high-pitched chirping or "crickets" sound, especially when using low-octane fuel.

Estimated cost: £0 (Normal characteristic)Affects: 20122021Often appears around: Any

Typical symptoms

  • Rhythmic chirping from engine bay at idle
  • Noise goes away with high-octane (98/99) fuel

What to inspect before you buy

  • Listen at idle when the engine is warm
  • Ask the owner what fuel they use

Battery Drain and Weak OEM Battery

MinorElectrics & Electronics

Like many Subarus, the BRZ is equipped with a relatively weak battery from the factory that can die quickly if not driven often.

Estimated cost: £100–£150Affects: 20122023

Typical symptoms

  • Slow cranking
  • Flat battery after a week of sitting

What to inspect before you buy

  • Check the age and brand of the battery
  • Look for a higher-spec replacement

Buying Tips for the 2021 Subaru BRZ

  • Check the oil level religiously; these engines are sensitive to low oil and can suffer bearing failure if run low.
  • Listen for a "cricket" chirping sound from the engine bay, which is a harmless but annoying fuel pump trait.
  • On 2022+ models, be aware of "RTV" sealant issues in the oil pan which can clog the oil pickup.

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