FA20/4U-GSE
Toyota · FA20 2.0 Boxer
2012–present
"GT86/GR86, BRZ. Subaru/Toyota co-developed boxer. Torque dip at 4000rpm on Gen 1 (fixed in GR86). Oil consumption. Head gasket (Subaru tradition). Good for a boxer."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
Head gasket (Subaru heritage)
▸Oil weep at head-block joint
Subaru boxer tradition. Less common than EJ.
Φλάντζα Subaru — λιγότερο συχνό από EJ.
Torque dip at 4000rpm (Gen 1)
▸Noticeable flat spot mid-range
Gen 1 (86/BRZ) design issue. Fixed in GR86/BRZ Gen 2.
Torque dip Gen 1 — λύθηκε στο GR86.
Models with FA20/4U-GSE 1
Related Guides
Other Toyota Engines
Tuning Potential
Turbo kits popular, supercharger
Frequently Asked Questions
Is the Toyota FA20/4U-GSE reliable?
The Toyota FA20/4U-GSE scores 76/100 with a verdict of ACCEPTABLE. It has 2 documented issues with total repair costs between €400 and €1,200.
What are the common problems with the FA20/4U-GSE?
The most common issues are:
- Head gasket (Subaru heritage) — moderate, repair cost €400–€1,200, 100,000 km–200,000 km
- Torque dip at 4000rpm (Gen 1) — minor, repair cost €0–€0, 0 km–0 km
What cars use the Toyota FA20/4U-GSE?
The FA20/4U-GSE is found in:
- GT86 (2012–2021)
How much does it cost to repair the FA20/4U-GSE?
Total potential repair costs for all 2 known issues range from €400 to €1,200. The most expensive issue is typically .
What years was the FA20/4U-GSE produced?
The Toyota FA20/4U-GSE was produced from 2012 to present. It is a 1998cc H4 petrol na engine.
Scores are calculated from documented issues, repair costs, and failure patterns across thousands of owner reports and technical sources. Learn about our methodology. Always inspect before you buy.