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Comparison: Triangle EffeXWinter TW421 vs. Cooper Zeon CS8 vs. Michelin Primacy 4+

Budget
TriangleTriangle

EffeXWinter TW421

0.7
R13
Cooper Zeon CS8Upper-middle
CooperCooper

Zeon CS8

2.8
R15 – R19
Michelin Primacy 4+Premium
MichelinMichelin

Primacy 4+

7.6
R16 – R21
Also compare with
Cinturato (C3) PremiumContact 7 Pilot Sport 5

Test Profile

Triangle
EffeXWinter TW421
Cooper
Zeon CS8
Michelin
Primacy 4+
Number of tests
1
14
13
Best position
#7
#9
#1
Average position
7.0
19.7
4.3
Latest test
2025
2024
2025
Available sizes
—
147
123

Wet

Wet
Triangle EffeXWinter TW421
60%
Cooper Zeon CS8
78%
Michelin Primacy 4+
76%
Wet circle cornering
Triangle EffeXWinter TW421
62%
Cooper Zeon CS8
76%
Michelin Primacy 4+
80%
Wet handling
Triangle EffeXWinter TW421
65%
Cooper Zeon CS8
86%
Michelin Primacy 4+
80%
Aquaplaning - cross
Triangle EffeXWinter TW421
25%
Cooper Zeon CS8
79%
Michelin Primacy 4+
75%
Aquaplaning - longitudal
Triangle EffeXWinter TW421
67%
Cooper Zeon CS8
84%
Michelin Primacy 4+
79%
Wet braking
Triangle EffeXWinter TW421
60%
Cooper Zeon CS8
75%
Michelin Primacy 4+
80%

Dry

Dry
Triangle EffeXWinter TW421
77%
Cooper Zeon CS8
72%
Michelin Primacy 4+
79%
Dry braking
Triangle EffeXWinter TW421
95%
Cooper Zeon CS8
59%
Michelin Primacy 4+
86%
Dry lane changing
Triangle EffeXWinter TW421
57%
Cooper Zeon CS8
75%
Michelin Primacy 4+
74%

Snow

Snow
Triangle EffeXWinter TW421
52%

Costs

Costs
Triangle EffeXWinter TW421
44%
Cooper Zeon CS8
52%
Michelin Primacy 4+
78%
Mileage
Triangle EffeXWinter TW421
18%
Cooper Zeon CS8
63%
Michelin Primacy 4+
84%
Rolling resistance
Triangle EffeXWinter TW421
73%
Cooper Zeon CS8
49%
Michelin Primacy 4+
82%

Comfort

Comfort
Triangle EffeXWinter TW421
68%
Cooper Zeon CS8
80%
Michelin Primacy 4+
87%
Exterior noise
Triangle EffeXWinter TW421
68%
Cooper Zeon CS8
80%
Michelin Primacy 4+
75%

Dimensions and prices

Compare prices across all available dimensions for these tyres.

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