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Comparison: Westlake Sport SA-37 vs. Pirelli P ZERO PZ4

In this comparison, we are comparing a tyre from a manufacturer from China (Westlake) against a tyre from a manufacturer from Italy (Pirelli). Generally, Pirelli summer tyres are slightly better rated (78%) than Westlake (31%). The first tyre test of Westlake Sport SA-37 was done in 2016, compared to 2017 when was the Pirelli P ZERO PZ4 first tested.

Test Profile

Westlake
Sport SA-37
Pirelli
P ZERO PZ4
Number of tests
2
14
Best position
#14
#2
Average position
14.5
5.5
Latest test
2020
2025
Available sizes
63
700

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
Westlake Sport SA-37
62%
Pirelli P ZERO PZ4
83%
Wet circle cornering
Westlake Sport SA-37
100%
Pirelli P ZERO PZ4
89%
Aquaplaning - cross
Westlake Sport SA-37
90%
Pirelli P ZERO PZ4
68%
Aquaplaning - longitudal
Westlake Sport SA-37
60%
Pirelli P ZERO PZ4
76%
Wet braking
Westlake Sport SA-37
45%
Pirelli P ZERO PZ4
78%
Dry
Westlake Sport SA-37
85%
Pirelli P ZERO PZ4
77%
Dry steering response
Westlake Sport SA-37
93%
Pirelli P ZERO PZ4
84%
Dry braking
Westlake Sport SA-37
78%
Pirelli P ZERO PZ4
80%
Dry handling
Westlake Sport SA-37
95%
Pirelli P ZERO PZ4
82%
Comfort
Westlake Sport SA-37
80%
Pirelli P ZERO PZ4
75%
Exterior noise
Westlake Sport SA-37
80%
Pirelli P ZERO PZ4
77%
Costs
Westlake Sport SA-37
32%
Pirelli P ZERO PZ4
52%
Rolling resistance
Westlake Sport SA-37
32%
Pirelli P ZERO PZ4
59%

Dimensions and prices

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