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Comparison: Westlake Sport SA-37 vs. Pirelli P ZERO PZ4 vs. Goodyear Efficient Grip Performance 2 vs. Michelin Primacy 5

Test Profile

Westlake
Sport SA-37
Pirelli
P ZERO PZ4
Goodyear
Efficient Grip Performance 2
Michelin
Primacy 5
Number of tests
2
14
18
5
Best position
#14
#2
#1
#1
Average position
14.5
5.5
6.1
4.8
Latest test
2020
2025
2024
2026
Available sizes
63
700
47
158

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
Confidence
Westlake Sport SA-37
62%
Pirelli P ZERO PZ4
83%
Goodyear Efficient Grip Performance 2
78%
Michelin Primacy 5
85%
Wet braking
Westlake Sport SA-37
45%
Pirelli P ZERO PZ4
78%
Goodyear Efficient Grip Performance 2
78%
Michelin Primacy 5
87%
Wet circle cornering
Westlake Sport SA-37
100%
Pirelli P ZERO PZ4
89%
Goodyear Efficient Grip Performance 2
89%
Aquaplaning - cross
Westlake Sport SA-37
90%
Pirelli P ZERO PZ4
68%
Goodyear Efficient Grip Performance 2
74%
Michelin Primacy 5
87%
Aquaplaning - longitudal
Westlake Sport SA-37
60%
Pirelli P ZERO PZ4
76%
Goodyear Efficient Grip Performance 2
70%
Michelin Primacy 5
92%
Dry
Confidence
Westlake Sport SA-37
85%
Pirelli P ZERO PZ4
77%
Goodyear Efficient Grip Performance 2
76%
Michelin Primacy 5
87%
Dry braking
Westlake Sport SA-37
78%
Pirelli P ZERO PZ4
80%
Goodyear Efficient Grip Performance 2
74%
Michelin Primacy 5
77%
Dry handling
Westlake Sport SA-37
95%
Pirelli P ZERO PZ4
82%
Goodyear Efficient Grip Performance 2
78%
Michelin Primacy 5
89%
Comfort
Confidence
Westlake Sport SA-37
80%
Pirelli P ZERO PZ4
75%
Goodyear Efficient Grip Performance 2
82%
Michelin Primacy 5
95%
Exterior noise
Westlake Sport SA-37
80%
Pirelli P ZERO PZ4
77%
Goodyear Efficient Grip Performance 2
75%
Michelin Primacy 5
91%
Comfort
Westlake Sport SA-37
65%
Pirelli P ZERO PZ4
80%
Goodyear Efficient Grip Performance 2
90%
Costs
Confidence
Westlake Sport SA-37
32%
Pirelli P ZERO PZ4
52%
Goodyear Efficient Grip Performance 2
83%
Michelin Primacy 5
86%
Rolling resistance
Westlake Sport SA-37
32%
Pirelli P ZERO PZ4
59%
Goodyear Efficient Grip Performance 2
84%
Michelin Primacy 5
86%

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