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Comparison: Triangle EffeXWinter TW421 vs. Goodyear Efficient Grip Performance vs. Michelin e.Primacy vs. Bridgestone Potenza Sport

Budget
TriangleTriangle

EffeXWinter TW421

0.7
R13
Goodyear Efficient Grip PerformancePremium
GoodyearGoodyear

Efficient Grip Performance

3.8
R14 – R20
Michelin e.PrimacyPremium
MichelinMichelin

e.Primacy

7.1
R15 – R21
Bridgestone Potenza SportPremium
BridgestoneBridgestone

Potenza Sport

8.7
R17 – R22
Also compare with
SportContact 7 UltraContact NXT Ventus Evo

Test Profile

Triangle
EffeXWinter TW421
Goodyear
Efficient Grip Performance
Michelin
e.Primacy
Bridgestone
Potenza Sport
Number of tests
1
16
4
23
Best position
#7
#3
#3
#1
Average position
7.0
5.5
12.0
3.3
Latest test
2025
2023
2025
2025
Available sizes
—
153
111
192

Wet

Wet
Triangle EffeXWinter TW421
60%
Goodyear Efficient Grip Performance
81%
Michelin e.Primacy
66%
Bridgestone Potenza Sport
89%
Aquaplaning - longitudal
Triangle EffeXWinter TW421
67%
Goodyear Efficient Grip Performance
86%
Michelin e.Primacy
68%
Bridgestone Potenza Sport
79%
Wet braking
Triangle EffeXWinter TW421
60%
Goodyear Efficient Grip Performance
76%
Michelin e.Primacy
70%
Bridgestone Potenza Sport
86%
Wet circle cornering
Triangle EffeXWinter TW421
62%
Goodyear Efficient Grip Performance
81%
Michelin e.Primacy
64%
Bridgestone Potenza Sport
92%
Wet handling
Triangle EffeXWinter TW421
65%
Goodyear Efficient Grip Performance
87%
Michelin e.Primacy
63%
Bridgestone Potenza Sport
93%
Aquaplaning - cross
Triangle EffeXWinter TW421
25%
Goodyear Efficient Grip Performance
89%
Michelin e.Primacy
56%
Bridgestone Potenza Sport
75%

Dry

Dry
Triangle EffeXWinter TW421
77%
Goodyear Efficient Grip Performance
83%
Michelin e.Primacy
80%
Bridgestone Potenza Sport
88%
Dry lane changing
Triangle EffeXWinter TW421
57%
Goodyear Efficient Grip Performance
78%
Michelin e.Primacy
93%
Bridgestone Potenza Sport
86%
Dry braking
Triangle EffeXWinter TW421
95%
Goodyear Efficient Grip Performance
83%
Michelin e.Primacy
83%
Bridgestone Potenza Sport
88%

Snow

Snow
Triangle EffeXWinter TW421
52%

Costs

Costs
Triangle EffeXWinter TW421
44%
Goodyear Efficient Grip Performance
73%
Michelin e.Primacy
100%
Bridgestone Potenza Sport
61%
Rolling resistance
Triangle EffeXWinter TW421
73%
Goodyear Efficient Grip Performance
86%
Michelin e.Primacy
100%
Bridgestone Potenza Sport
58%
Mileage
Triangle EffeXWinter TW421
18%
Goodyear Efficient Grip Performance
64%
Michelin e.Primacy
100%
Bridgestone Potenza Sport
85%

Comfort

Comfort
Triangle EffeXWinter TW421
68%
Goodyear Efficient Grip Performance
77%
Michelin e.Primacy
88%
Bridgestone Potenza Sport
80%
Exterior noise
Triangle EffeXWinter TW421
68%
Goodyear Efficient Grip Performance
75%
Michelin e.Primacy
90%
Bridgestone Potenza Sport
70%
Comfort
Triangle EffeXWinter TW421
75%
Goodyear Efficient Grip Performance
75%
Michelin e.Primacy
70%
Bridgestone Potenza Sport
79%

Dimensions and prices

Compare prices across all available dimensions for these tyres.

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