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Comparison: Triangle EffeXWinter TW421 vs. Bridgestone Potenza Sport

Budget
TriangleTriangle

EffeXWinter TW421

0.7
R13
VS
Bridgestone Potenza SportPremium
BridgestoneBridgestone

Potenza Sport

8.7
R17 – R22
Also compare with
SportContact 7 Ventus Evo Pilot Sport 4 S
In this comparison, we are comparing a tyre from a manufacturer from (Triangle) against a tyre from a manufacturer from Japan (Bridgestone). Generally, Bridgestone winter tyres are slightly better rated (87%) than Triangle (15%). In this particular case, the Bridgestone Potenza Sport has a better rating of 87% compared to 7% of the Triangle EffeXWinter TW421. The first tyre test of Triangle EffeXWinter TW421 was done in 2025, compared to 2021 when was the Bridgestone Potenza Sport first tested.

Test Profile

Triangle
EffeXWinter TW421
Bridgestone
Potenza Sport
Number of tests
1
23
Best position
#7
#1
Average position
7.0
3.3
Latest test
2025
2025
Available sizes
—
192

Wet

Wet
Triangle EffeXWinter TW421
60%
Bridgestone Potenza Sport
89%
Aquaplaning - cross
Triangle EffeXWinter TW421
25%
Bridgestone Potenza Sport
75%
Aquaplaning - longitudal
Triangle EffeXWinter TW421
67%
Bridgestone Potenza Sport
79%
Wet braking
Triangle EffeXWinter TW421
60%
Bridgestone Potenza Sport
86%
Wet circle cornering
Triangle EffeXWinter TW421
62%
Bridgestone Potenza Sport
92%
Wet handling
Triangle EffeXWinter TW421
65%
Bridgestone Potenza Sport
93%

Dry

Dry
Triangle EffeXWinter TW421
77%
Bridgestone Potenza Sport
88%
Dry lane changing
Triangle EffeXWinter TW421
57%
Bridgestone Potenza Sport
86%
Dry braking
Triangle EffeXWinter TW421
95%
Bridgestone Potenza Sport
88%

Snow

Snow
Triangle EffeXWinter TW421
52%

Costs

Costs
Triangle EffeXWinter TW421
44%
Bridgestone Potenza Sport
61%
Rolling resistance
Triangle EffeXWinter TW421
73%
Bridgestone Potenza Sport
58%

Comfort

Comfort
Triangle EffeXWinter TW421
68%
Bridgestone Potenza Sport
80%
Exterior noise
Triangle EffeXWinter TW421
68%
Bridgestone Potenza Sport
70%
Comfort
Triangle EffeXWinter TW421
75%
Bridgestone Potenza Sport
79%

Dimensions and prices

Compare prices across all available dimensions for these tyres.

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