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Comparison: Triangle EffeXWinter TW421 vs. Cooper Zeon CS8 vs. Michelin Primacy 5 vs. GoodYear Efficientgrip Performance 2 vs. Bridgestone Turanza T005 vs. GoodYear Efficientgrip Performance 2

Test Profile

Triangle
EffeXWinter TW421
Cooper
Zeon CS8
Michelin
Primacy 5
GoodYear
Efficientgrip Performance 2
Bridgestone
Turanza T005
GoodYear
Efficientgrip Performance 2
Number of tests
1
14
5
4
33
4
Best position
#7
#9
#1
#2
#1
#2
Average position
7.0
19.7
4.8
3.3
4.1
3.3
Latest test
2025
2024
2026
2026
2025
2026
Available sizes
147
158
40
658
40

These tyres were not tested together in the same test. The scores below are aggregated from different independent tests, so direct comparison should be taken with caution.

Wet
Triangle EffeXWinter TW421
60%
Cooper Zeon CS8
78%
Michelin Primacy 5
85%
GoodYear Efficientgrip Performance 2
82%
Bridgestone Turanza T005
83%
GoodYear Efficientgrip Performance 2
82%
Wet circle cornering
Triangle EffeXWinter TW421
62%
Cooper Zeon CS8
76%
GoodYear Efficientgrip Performance 2
81%
Bridgestone Turanza T005
86%
Wet handling
Triangle EffeXWinter TW421
65%
Cooper Zeon CS8
86%
Michelin Primacy 5
77%
GoodYear Efficientgrip Performance 2
81%
Bridgestone Turanza T005
89%
Aquaplaning - cross
Triangle EffeXWinter TW421
25%
Cooper Zeon CS8
79%
Michelin Primacy 5
87%
GoodYear Efficientgrip Performance 2
73%
Bridgestone Turanza T005
77%
Aquaplaning - longitudal
Triangle EffeXWinter TW421
67%
Cooper Zeon CS8
84%
Michelin Primacy 5
92%
GoodYear Efficientgrip Performance 2
71%
Bridgestone Turanza T005
80%
Wet braking
Triangle EffeXWinter TW421
60%
Cooper Zeon CS8
75%
Michelin Primacy 5
87%
GoodYear Efficientgrip Performance 2
84%
Bridgestone Turanza T005
79%
Dry
Triangle EffeXWinter TW421
77%
Cooper Zeon CS8
72%
Michelin Primacy 5
87%
GoodYear Efficientgrip Performance 2
79%
Bridgestone Turanza T005
83%
GoodYear Efficientgrip Performance 2
79%
Dry braking
Triangle EffeXWinter TW421
95%
Cooper Zeon CS8
59%
Michelin Primacy 5
77%
GoodYear Efficientgrip Performance 2
82%
Bridgestone Turanza T005
88%
Dry driving behavior
Triangle EffeXWinter TW421
20%
GoodYear Efficientgrip Performance 2
65%
Bridgestone Turanza T005
85%
Dry lane changing
Triangle EffeXWinter TW421
57%
Cooper Zeon CS8
75%
GoodYear Efficientgrip Performance 2
75%
Bridgestone Turanza T005
84%
Dry performance
Michelin Primacy 5
62%
GoodYear Efficientgrip Performance 2
81%
Bridgestone Turanza T005
83%
Snow
Triangle EffeXWinter TW421
52%
Costs
Triangle EffeXWinter TW421
44%
Cooper Zeon CS8
52%
Michelin Primacy 5
86%
GoodYear Efficientgrip Performance 2
88%
Bridgestone Turanza T005
81%
GoodYear Efficientgrip Performance 2
88%
Mileage
Triangle EffeXWinter TW421
18%
Cooper Zeon CS8
63%
Michelin Primacy 5
85%
GoodYear Efficientgrip Performance 2
99%
Bridgestone Turanza T005
69%
Rolling resistance
Triangle EffeXWinter TW421
73%
Cooper Zeon CS8
49%
Michelin Primacy 5
86%
GoodYear Efficientgrip Performance 2
81%
Bridgestone Turanza T005
93%
Comfort
Triangle EffeXWinter TW421
68%
Cooper Zeon CS8
80%
Michelin Primacy 5
95%
GoodYear Efficientgrip Performance 2
78%
Bridgestone Turanza T005
77%
GoodYear Efficientgrip Performance 2
78%
Exterior noise
Triangle EffeXWinter TW421
68%
Cooper Zeon CS8
80%
Michelin Primacy 5
91%
GoodYear Efficientgrip Performance 2
80%
Bridgestone Turanza T005
63%
Comfort
Triangle EffeXWinter TW421
75%
Cooper Zeon CS8
80%
GoodYear Efficientgrip Performance 2
90%
Bridgestone Turanza T005
66%

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