VEP4 B5/B6 MHEV vs VEP4 T5 (B4204T23)
Side-by-side reliability comparison
Higher reliability score
VEP4 T5 (B4204T23)
BUY
78/100
+4 points over VEP4 B5/B6 MHEV
0
/ 100
ACCEPTABLE
VEP4 B5/B6 MHEV
Volvo
0
/ 100
BUY
VEP4 T5 (B4204T23)
Volvo
Specifications
VEP4 B5/B6 MHEV
VEP4 T5 (B4204T23)
Brand
Volvo
Volvo
Verdict
ACCEPTABLE
BUY
Reliability
74
78
Years
2020--present
2014--present
Displacement
1969 cc
1969 cc
Layout
I4
I4
Type
Petrol Turbo
Petrol Turbo
Power
250--300 hp
245--254 hp
Known Issues
2
3
Total Risk Cost
€1,200--€2,400
€1,900--€4,500
Character
VEP4 B5/B6 MHEV
"Mild hybrid twin-charged four. 48V system. Replaces T5/T6 naming. Smooth, efficient. Early data positive."
VEP4 T5 (B4204T23)
"New-gen Volvo four-cyl. Powers XC40 to XC90. Reliable but less character than old five. Adequate."
Issues Comparison
VEP4 B5/B6 MHEV 2
● MODERATE
48V MHEV battery / belt starter-generator
○ MINOR
Timing chain (low concern, modern)
VEP4 T5 (B4204T23) 3
▲ HIGH
Oil consumption — piston rings (2014-2016)
● MODERATE
Turbo diverter valve failure
○ MINOR
Engine / transmission mount wear