TÜV SÜD Automotive GmbH
TÜV SÜD Automotive Tire Test 2010
Benchmark Test – Goodyear Ultragrip 8 205/55 R16 91 HReport No. 76244609
Test Period: December 2010
TÜV SÜD Automotive GmbH Page 2
TEST TIRES:
DIMENSION: 205/55 R16 91 H M+S
Benchmark Test M+S – 2010 Report No. 76244609
TIRE DETAILS
GOODYEAR
ULTRAGRIP 8
CONTI
WINTERCONTACT TS830MICHELIN
ALPIN A4
TÜV SÜD Automotive GmbH Page 3
SCOPE OF TESTS
Wet Performance
- Braking (ABS, low & high µ)
-Aquaplaning (straight-line & in curve)
- Handling
Dry Performance
- Braking (ABS)
- Handling
Benchmark Test M+S – 2010 Report No. 76244609
Snow & Ice Performance
- Braking (ABS)
-Traction (ASR)
- Handling (Snow)
- Lateral grip (Ice)
TÜV SÜD Automotive GmbH Page 4
TEST DETAILS
Test Locations:
- Wet & Dry Performance: Goodyear PG Mireval (F)
- Ice & Snow Performance: Ice Rink Montpellier (F) & Test World Ivalo (Finland)
Acquisition and Evaluation of Results
- All tests were exclusively carried out by TÜV SÜD Automotive personnel
- Snow & ice tests were carried out twice
- Firstly, the performance of each tire is assessed relative to the best tire in each individual test (i.e. the performance of the
best tire ≙ 100%)
- Secondly, the performance of the Goodyear tire is assessed relative to the average performance of the two competitors (i.e. the
average performance of the competitors ≙ 100%)
- The conversion of the results into a percentage value is done in a way that >100% always means better, <100% means worse.
Test Vehicles
- Wet & Dry and Ice (indoor): VW Golf VI 1.4 TSI (160 hp / 118 kW)
- Ice(outdoor) & Snow: VW Golf VI 1.4 TSI (122 hp / 90kW)
Benchmark Test M+S – 2010 Report No. 76244609
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 5
BRAKING ON ICE
- ABS-braking, Test 1: Ice rink, artificial ice, Test 2: Ivalo, natural ice - indoor: 20 to 8 km/h, outdoor 25 to 5 km/h
- Ø Stopping distance of Goodyear Ultragrip 8 (corrected): 10.8m (indoor) , 16.5m (outdoor)
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
CONTI WINTERCONTACT TS830
AVERAGE OF COMPETITORS
GOODYEAR ULTRAGRIP 8
MICHELIN ALPIN A4
96%
100%
101%
104%
ICE BRAKING PERFORMANCE (Ø TEST 1&2) (RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 6
TRACTION ON ICE
- Acceleration ASR, Test 1: Ice rink, artificial ice, Test 2: Ivalo, natural ice - indoor: 8 to 18 km/h, outdoor 10 to 25 km/h
- Ø Time / Acceleration of Goodyear Ultragrip 8: 4.57s / 0.61m/s² (indoor) , 4.74 s / 0.88 m/s² (outdoor)
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
CONTI WINTERCONTACT TS830
AVERAGE OF COMPETITORS
GOODYEAR ULTRAGRIP 8
MICHELIN ALPIN A4
93%
100%
102%
107%
ICE TRACTION PERFORMANCE (Ø TEST 1&2) (RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 7
LATERAL GRIP ON ICE
- ESP off, Test 1: Ice rink, artificial ice, Test 2: Ivalo, natural ice - indoor: R= 9 m, outdoor R=25 m
- Ø Lap Time / Lat. Acceleration Goodyear Ultragrip 8: 19.1s / 0.98m/s² (indoor) , 22.1s / 2.03 m/s² (outdoor)
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
CONTI WINTERCONTACT TS830
AVERAGE OF COMPETITORS
GOODYEAR ULTRAGRIP 8
MICHELIN ALPIN A4
94%
100%
101%
106%
LATERAL GRIP ON ICE (Ø TEST 1&2) (RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 8
BRAKING ON SNOW
- ABS-braking on compressed snow, double test - 50 to 5 km/h
- Ø Stopping distance of Goodyear Ultragrip 8 (corrected): 25.7m (test 1) , 26.7m (test 2)
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
CONTI WINTER CONTACT TS830
AVERAGE OF COMPETITORS
MICHELIN ALPIN A4
GOODYEAR ULTRAGRIP 8
99%
100%
101%
103%
SNOW BRAKING PERFORMANCE (Ø TEST 1&2) (RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 9
TRACTION ON SNOW
- ASR acceleration on compressed snow, double test - 10 to 30 km/h
- Ø Time / Acceleration of Goodyear Ultragrip 8: 2.65 s / 2.09 m/s² (test 1) , 2.72 s / 2.04 m /s² (test 2)
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
CONTI WINTERCONTACT TS830
AVERAGE OF COMPETITORS
MICHELIN ALPIN A4
GOODYEAR ULTRAGRIP 8
98%
100%
102%
105%
SNOW TRACTION PERFORMANCE (Ø TEST 1&2) (RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 10
HANDLING ON SNOW
- ESP off (switch) - Subjective assessment & Lap times - Handling track with compressed snow, length 1300m
- Goodyear Ultragrip 8: Ø Speed : ~49.4 (test 1), 49.8 (test 2) km/h Ø Rating (out of max. 10): 8.2 (test 1) / 8.1 (test 2)
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
CONTI WINTERCONTACT TS830
AVERAGE OF COMPETITORS
MICHELIN ALPIN A4
GOODYEAR ULTRAGRIP 8
99%
100%
101%
102%
SNOW HANDLING, OVERALL PERFORMANCE (Ø TEST 1&2) (RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 11
AQUAPLANING STRAIGHT-LINE
- Water depth: ~ 8 mm - Aquaplaning speed at 15% slip difference
- Ø Aquaplaning speed of Goodyear Ultragrip 8: 86.9 km/h
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
CONTI WINTERCONTACT TS830
AVERAGE OF COMPETITORS
MICHELIN ALPIN A4
GOODYEAR ULTRAGRIP 8
100%
100%
100%
101%
AQUAPLANING STRAIGHT-LINE
(RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 12
AQUAPLANING IN CURVES
- Water depth: ~ 8 mm - R = 100m - Result based on Lateral Acceleration at va, lat -1.5
- Remaining transferable lateral acceleration of Goodyear Ultragrip 8: 3.36 m/s²
Benchmark Test M+S – 2010 Report No. 76244609
1,50
2,00
2,50
3,00
3,50
4,00
50 55 60 65 70 75 80 85
Tra
nsf
erab
le
late
ral a
ccel
erat
ion
[m
/s²]
Speed [km/h]
GRAPHS OF LATERAL ACCELERATION
Theoretical Theoretical -1,5m/s² GOODYEAR
CONTI MICHELIN80% 90% 100%
MICHELINALPIN A4
AVERAGE OF COMPETITORS
CONTI WINTERCONTACT TS830
GOODYEARULTRAGRIP 8
100%
100%
100%
116%
AQUAPLANING IN CURVE
(RELATIVE, AVERAGE OF COMP. = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 13
WET BRAKING high & low µ
- ABS-braking on two wet asphalt surfaces with different grip level - 80 to 20 km/h
- Ø Stopping distance of Goodyear Ultragrip 8 (corrected): 34.6m (high µ) , 40.4m (low µ)
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
MICHELIN ALPIN A4
AVERAGE OF COMPETITORS
CONTI WINTERCONTACT TS830
GOODYEAR ULTRAGRIP 8
MICHELIN ALPIN A4
AVERAGE OF COMPETITORS
CONTI WINTERCONTACT TS830
GOODYEAR ULTRAGRIP 8
98%
100%
102%
104%
99%
100%
101%
102%
WET BRAKING PERFORMANCE (RELATIVE, AVERAGE OF COMPETITORS = 100%)HIGH µ
LOW µ
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 14
WET HANDLING
- ESP off (switch) - Subjective assessment & Lap times - Handling track with wet asphalt, length 1700m
- Goodyear Ultragrip 8: Ø Speed : ~82.4 km/h Ø Rating (out of max. 10): 8.3
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
MICHELIN ALPIN A4
AVERAGE OF COMPETITORS
CONTI WINTERCONTACT TS830
GOODYEAR ULTRAGRIP 8
99%
100%
101%
102%
WET HANDLING, OVERALL PERFORMANCE
(RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 15
DRY BRAKING
- ABS-braking on dry asphalt surface - 100 – 0 km/h
- Ø Stopping distance of Goodyear Ultragrip 8 (corrected): 44.3 m
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
CONTI WINTERCONTACT TS830
AVERAGE OF COMPETITORS
GOODYEAR ULTRAGRIP 8
MICHELIN ALPIN A4
99%
100%
100%
101%
DRY BRAKING PERFORMANCE
(RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH
TEST RESULTS
Page 16
DRY HANDLING
- ESP off (switch) - Subjective assessment & Lap times - Handling track with dry asphalt, length 3300m
- Goodyear Ultragrip 8: Ø Speed : ~82.4 km/h Ø Rating (out of max. 10): 8.3
Benchmark Test M+S – 2010 Report No. 76244609
80% 90% 100%
MICHELIN ALPIN A4
GOODYEAR ULTRAGRIP 8
AVERAGE OF COMPETITORS
CONTI WINTERCONTACT TS830
100%
100%
100%
100%
DRY HANDLING, OVERALL PERFORMANCE
(RELATIVE, AVERAGE OF COMPETITORS = 100%)
TÜV SÜD Automotive GmbH Page 17
SUMMARY OF RESULTS (I)
Balance of Performance
Benchmark Test M+S – 2010 Report No. 76244609
Results relative to
the best tire (=100%)
in each test
GOODYEAR
ULTRAGRIP 8
CONTI
WINTERCONTACT
TS830
MICHELIN
ALPIN A4
BRAKING
ON ICE97% 92% 100%
TRACTION
ON ICE96% 87% 100%
LATERAL GRIP
ON ICE95% 89% 100%
BRAKING
ON SNOW100% 96% 98%
TRACTION
ON SNOW100% 93% 97%
HANDLING
ON SNOW100% 97% 99%
AQUAPLANING
STRAIGHT-LINE100% 99% 99%
AQUAPLANING
IN CURVE100% 86% 86%
WET BRAKING,
low µ100% 98% 94%
WET BRAKING,
high µ100% 100% 97%
WET HANDLING 100% 99% 98%
DRY BRAKING 100% 99% 100%
DRY HANDLING 99% 100% 99%
60%
70%
80%
90%
100%
BRAKING ON ICE
TRACTION ON ICE
LATERAL GRIP ON ICE
BRAKING ON SNOW
TRACTION ON SNOW
HANDLING ON SNOW
AQUAPL.STRAIGHT-LINE
AQUAPL.IN CURVE
WET BRAKING,low µ
WET BRAKING,high µ
WET HANDLING
DRY BRAKING
DRY HANDLING
GOODYEARULTRAGRIP 8
MICHELINALPIN A4
CONTIWINTERCONTACT TS830
TÜV SÜD Automotive GmbH Page 18
SUMMARY OF RESULTS (II)
GY UG8 vs. Competitors
Benchmark Test M+S – 2010 Report No. 76244609
Results relative to the
average performance (=100%)
of the two competitors
GOODYEAR
ULTRAGRIP 8
Ø PERFORMANCE
OF COMPETITORS
BRAKING
ON ICE101% 100%
TRACTION
ON ICE102% 100%
LATERAL GRIP
ON ICE101% 100%
BRAKING
ON SNOW103% 100%
TRACTION
ON SNOW105% 100%
HANDLING
ON SNOW102% 100%
AQUAPL.
STRAIGHT-LINE101% 100%
AQUAPL.
IN CURVE116% 100%
WET BRAKING,
low µ104% 100%
WET BRAKING,
high µ102% 100%
WET HANDLING 102% 100%
DRY BRAKING 100% 100%
DRY HANDLING 100% 100%
60%
70%
80%
90%
100%
110%
BRAKING ON ICE
TRACTION ON ICE
LATERAL GRIP ON ICE
BRAKING ON SNOW
TRACTION ON SNOW
HANDLING ON SNOW
AQUAPL.STRAIGHT-LINE
AQUAPL.IN CURVE
WET BRAKING,low µ
WET BRAKING,high µ
WET HANDLING
DRY BRAKING
DRY HANDLING
GOODYEARULTRAGRIP 8
Ø PERFORMANCE OF COMPETITOR TIRES
TÜV SÜD Automotive GmbH Page 19
SUMMARY OF RESULTS (III)
SPECIAL CONSIDERATIONS
Benchmark Test M+S – 2010 Report No. 76244609
BRAKING DISTANCES AND REMAINING SPEED
(corrected over the relative pro-/degression of the control or reference tire)
BRAKING SNOWGOODYEAR
ULTRAGRIP 8
AVERAGE OF
COMPETITORS
CONTI
WINTERCONTACT TS830
MICHELIN
ALPIN A4
Corrected distance 50 - 5 km/h (Test 1) 25,71 26,85 27,08 26,62
Remaining Speed (when GY UG 8 is 0) 0,00 10,23 11,25 9,22
Corrected distance 50 - 5 km/h (Test 2) 26,66 27,31 27,66 26,96
Remaining Speed (when GY UG 8 is 0) 0,00 7,38 9,51 5,25
Conclusion 1: The stopping distance of Goodyear UG8 is by average 1 meter shorter than the average stopping distance of the competitors in test.
Conclusion 2: When Goodyear Ultragrip 8 has stopped, the average speed of the competitors is still up to 10 km/h.
BRAKING WET, LOW µGOODYEAR
ULTRAGRIP 8
AVERAGE OF
COMPETITORS
CONTI
WINTERCONTACT TS830
MICHELIN
ALPIN A4
Corrected distance 80 - 20 km/h 40,42 42,02 41,15 42,90
Remaining Speed (when GY UG 8 is 0) 0,00 14,92 10,61 19,23
Conclusion 1: The stopping distance of Goodyear Ultragrip 8 is 1.6 meters shorter than the average stopping distance of the competitors in test.
Conclusion 2: When Goodyear Ultragrip 8 has stopped, the average speed of the competitors is still 15 km/h.
BRAKING WET, HIGH µGOODYEAR
ULTRAGRIP 8
AVERAGE OF
COMPETITORS
CONTI
WINTERCONTACT TS830
MICHELIN
ALPIN A4
Corrected distance 80 - 20 km/h 34,58 35,15 34,75 35,56
Remaining Speed (when GY UG 8 is 0) 0,00 9,38 5,49 13,26
Conclusion 1: The stopping distance of Goodyear Ultragrip 8 is 0.6 meters shorter than the average stopping distance of the competitors in test.
Conclusion 2: When Goodyear Ultragrip 8 has stopped, the average speed of the competitors is still 9 km/h.
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