FA20/4U-GSE vs 1NZ-FXE
Side-by-side reliability comparison
Higher reliability score
1NZ-FXE
BEST
92/100
+16 points over FA20/4U-GSE
0
/ 100
ACCEPTABLE
FA20/4U-GSE
Toyota
0
/ 100
BEST
1NZ-FXE
Toyota
Specifications
FA20/4U-GSE
1NZ-FXE
Brand
Toyota
Toyota
Verdict
ACCEPTABLE
BEST
Reliability
76
92
Years
2012--present
2000--present
Displacement
1998 cc
1497 cc
Layout
H4
I4
Type
Petrol Na
Hybrid
Power
200--235 hp
74--78 hp
Known Issues
2
3
Total Risk Cost
€400--€1,200
€1,200--€4,100
Character
FA20/4U-GSE
"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."
1NZ-FXE
"Original Prius/Aqua/Yaris Hybrid. Atkinson cycle + electric motor. Millions of taxis prove 500k+ km is routine."
Issues Comparison
FA20/4U-GSE 2
● MODERATE
Head gasket (Subaru heritage)
○ MINOR
Torque dip at 4000rpm (Gen 1)
1NZ-FXE 3
● MODERATE
Inverter coolant pump failure (older Prius)
● MODERATE
Hybrid battery pack capacity fade
○ MINOR
EGR valve carbon fouling (older models)