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

Test Profile

Westlake
Sport SA-37
Goodyear
Efficient Grip Performance 2
Pirelli
P ZERO PZ4
Michelin
Primacy 5
Number of tests
2
18
14
5
Best position
#14
#1
#2
#1
Average position
14.5
6.1
5.5
4.8
Latest test
2020
2024
2025
2026
Available sizes
63
47
700
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%
Goodyear Efficient Grip Performance 2
78%
Pirelli P ZERO PZ4
83%
Michelin Primacy 5
85%
Aquaplaning - longitudal
Westlake Sport SA-37
60%
Goodyear Efficient Grip Performance 2
70%
Pirelli P ZERO PZ4
76%
Michelin Primacy 5
92%
Wet braking
Westlake Sport SA-37
45%
Goodyear Efficient Grip Performance 2
78%
Pirelli P ZERO PZ4
78%
Michelin Primacy 5
87%
Wet circle cornering
Westlake Sport SA-37
100%
Goodyear Efficient Grip Performance 2
89%
Pirelli P ZERO PZ4
89%
Aquaplaning - cross
Westlake Sport SA-37
90%
Goodyear Efficient Grip Performance 2
74%
Pirelli P ZERO PZ4
68%
Michelin Primacy 5
87%
Dry
Confidence
Westlake Sport SA-37
85%
Goodyear Efficient Grip Performance 2
76%
Pirelli P ZERO PZ4
77%
Michelin Primacy 5
87%
Dry braking
Westlake Sport SA-37
78%
Goodyear Efficient Grip Performance 2
74%
Pirelli P ZERO PZ4
80%
Michelin Primacy 5
77%
Dry handling
Westlake Sport SA-37
95%
Goodyear Efficient Grip Performance 2
78%
Pirelli P ZERO PZ4
82%
Michelin Primacy 5
89%
Comfort
Confidence
Westlake Sport SA-37
80%
Goodyear Efficient Grip Performance 2
82%
Pirelli P ZERO PZ4
75%
Michelin Primacy 5
95%
Exterior noise
Westlake Sport SA-37
80%
Goodyear Efficient Grip Performance 2
75%
Pirelli P ZERO PZ4
77%
Michelin Primacy 5
91%
Comfort
Westlake Sport SA-37
65%
Goodyear Efficient Grip Performance 2
90%
Pirelli P ZERO PZ4
80%
Costs
Confidence
Westlake Sport SA-37
32%
Goodyear Efficient Grip Performance 2
83%
Pirelli P ZERO PZ4
52%
Michelin Primacy 5
86%
Rolling resistance
Westlake Sport SA-37
32%
Goodyear Efficient Grip Performance 2
84%
Pirelli P ZERO PZ4
59%
Michelin Primacy 5
86%

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