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Comparison: Triangle EffeXWinter TW421 vs. GoodYear Efficientgrip Performance 2 vs. Michelin Primacy 4+ vs. Bridgestone Potenza Sport

Test Profile

Triangle
EffeXWinter TW421
GoodYear
Efficientgrip Performance 2
Michelin
Primacy 4+
Bridgestone
Potenza Sport
Number of tests
1
4
13
23
Best position
#7
#2
#1
#1
Average position
7.0
3.3
4.3
3.3
Latest test
2025
2026
2025
2025
Available sizes
40
123
192
Wet
Triangle EffeXWinter TW421
60%
GoodYear Efficientgrip Performance 2
82%
Michelin Primacy 4+
76%
Bridgestone Potenza Sport
89%
Aquaplaning - longitudal
Triangle EffeXWinter TW421
67%
GoodYear Efficientgrip Performance 2
71%
Michelin Primacy 4+
79%
Bridgestone Potenza Sport
79%
Wet braking
Triangle EffeXWinter TW421
60%
GoodYear Efficientgrip Performance 2
84%
Michelin Primacy 4+
80%
Bridgestone Potenza Sport
86%
Wet circle cornering
Triangle EffeXWinter TW421
62%
GoodYear Efficientgrip Performance 2
81%
Michelin Primacy 4+
80%
Bridgestone Potenza Sport
92%
Wet handling
Triangle EffeXWinter TW421
65%
GoodYear Efficientgrip Performance 2
81%
Michelin Primacy 4+
80%
Bridgestone Potenza Sport
93%
Aquaplaning - cross
Triangle EffeXWinter TW421
25%
GoodYear Efficientgrip Performance 2
73%
Michelin Primacy 4+
75%
Bridgestone Potenza Sport
75%
Dry
Triangle EffeXWinter TW421
77%
GoodYear Efficientgrip Performance 2
79%
Michelin Primacy 4+
79%
Bridgestone Potenza Sport
88%
Dry lane changing
Triangle EffeXWinter TW421
57%
GoodYear Efficientgrip Performance 2
75%
Michelin Primacy 4+
74%
Bridgestone Potenza Sport
86%
Dry braking
Triangle EffeXWinter TW421
95%
GoodYear Efficientgrip Performance 2
82%
Michelin Primacy 4+
86%
Bridgestone Potenza Sport
88%
Snow
Triangle EffeXWinter TW421
52%
Costs
Triangle EffeXWinter TW421
44%
GoodYear Efficientgrip Performance 2
88%
Michelin Primacy 4+
78%
Bridgestone Potenza Sport
61%
Rolling resistance
Triangle EffeXWinter TW421
73%
GoodYear Efficientgrip Performance 2
81%
Michelin Primacy 4+
82%
Bridgestone Potenza Sport
58%
Mileage
Triangle EffeXWinter TW421
18%
GoodYear Efficientgrip Performance 2
99%
Michelin Primacy 4+
84%
Bridgestone Potenza Sport
85%
Comfort
Triangle EffeXWinter TW421
68%
GoodYear Efficientgrip Performance 2
78%
Michelin Primacy 4+
87%
Bridgestone Potenza Sport
80%
Exterior noise
Triangle EffeXWinter TW421
68%
GoodYear Efficientgrip Performance 2
80%
Michelin Primacy 4+
75%
Bridgestone Potenza Sport
70%
Comfort
Triangle EffeXWinter TW421
75%
GoodYear Efficientgrip Performance 2
90%
Bridgestone Potenza Sport
79%

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