TÜV SÜD – Tire Test 2017 255/50 R19 – Dunlop Sport Maxx RT2 SUV Tire Performance Test acc. to PPP 90023A:2014 Test Period: October 2017 Report No. 713117618D-06 TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TIRE DETAILS DIMENSION: 255/50 R19 TIRE BRANDS / PATTERNS IN THE TEST: REFERENCE TIRE: COMPETITORS: DUNLOP BRIDGESTONE MICHELIN PIRELLI SPORT MAXX RT2 SUV DUELER H/P SPORT LATITUDE SPORT 3 P ZERO ROSSO 107 Y, DOT K5 3917 107 Y, DOT EJVU DCH 0417 - 1717 107 W, DOT F3XX 013X 0917 - 1217 103 W, DOT 9364 N274 0417 • The test samples of Dunlop Sport Maxx RT2 SUV were provided for the test by the client. • All other tires were purchased in the normal market by TÜV SÜD. • TÜV SÜD randomly selected the tires for the individual tests. TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 2 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST DETAILS ▪ Test Locations - Wet & Dry: GPG Mireval (F), ATP Papenburg (D) - Noise: Uni Neubiberg (D) - Rolling Resistance: TÜV SÜD PS Garching (D) ▪ Test Vehicles - Braking, LWG, Aquaplaning in curve: BMW X5 30d - Handling: BMW X5 40d - Noise: Audi Q7 3.0 TDI - Aquaplaning straight-line: Mazda Tribute ▪ Procedure and Evaluation - In all tests, the control tire is tested repeatedly in the progress of the test to detect and consider changes of the ambient test parameters and correct its performance by linear interpolation. - Generally, all tires in a test are primarily evaluated in relation to the control tire. - The performance is expressed as a percentage value, calculated on the basis of the measured and corrected test data. - In this present evaluation, the performance of each tire is assessed relative to the reference tire (Dunlop ≙ 100%). - In all evaluations, a percentage value >100% means better and <100% means worse. TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 3 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ AQUAPLANING STRAIGHT-LINE - Water depth: ~ 8mm - Aquaplaning speed at 15% slip difference - Result Dunlop Sport Maxx RT2 SUV: Ø Aquaplaning speed: 70.5 km/h AQUAPLANING STRAIGHT-LINE PERFORMANCE * [%] 80% 85% 90% 95% 100% 105% DUNLOP SPORT MAXX RT2 SUV 100,0% BRIDGESTONE DUELER H/P SPORT 98,9% MICHELIN LATITUDE SPORT 3 100,6% PIRELLI P ZERO ROSSO 94,7% *) The calculation of the percentage performance is based on the aquaplaning speed. TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 4 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ AQUAPLANING IN CURVE - ESP off - Radius: 100 m - Water depth: ~ 8 mm - Result Dunlop Sport Maxx RT2 SUV: Ø Integral A / alat max: 77.4 / 2.74 m/s² AQUAPLANING IN CURVE PERFORMANCE * [%] 80% 85% 90% 95% 100% 105% DUNLOP SPORT MAXX RT2 SUV 100,0% BRIDGESTONE DUELER H/P SPORT 87,0% MICHELIN LATITUDE SPORT 3 97,0% PIRELLI P ZERO ROSSO 81,1% *) The calculation of the percentage performance is based on the lateral acceleration. TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 5 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ WET BRAKING HIGH µ - ABS-braking - Speed range: 80 to 20 km/h - Tested on high µ wet surface - Result Dunlop Sport Maxx RT2 SUV: Ø Stopping distance / mean deceleration: 21.2 m / 10.90 m/s² WET BRAKING PERFORMANCE * [%] STOPPING DISTANCE [m], 80-0 km/h ** RESIDUAL SPEED WHEN DU STOPPED [km/h] *** 80% 90% 100% 20 22 24 26 0 10 20 30 DUNLOP SPORT MAXX 100,0% 22,7 RT2 SUV BRIDGESTONE 91,9% 24,7 22,7 DUELER H/P SPORT MICHELIN LATITUDE 94,7% 23,9 18,4 SPORT 3 PIRELLI P ZERO 91,0% 24,9 24,0 ROSSO *) The calculation of the percentage performance is based on the mean deceleration values resulting from the measured braking distances. **) The extrapolation is based on the corrected mean deceleration values resulting from the measured braking distances. ***) The calculation of the residual speed is based on the extrapolated stopping distance (80-0 km/h) and the mean deceleration values resulting from the measured braking distances. TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 6 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ WET BRAKING LOW µ - ABS-braking - Speed range: 80 to 20 km/h - Tested on low µ wet surface - Result Dunlop Sport Maxx RT2 SUV: Ø Stopping distance / mean deceleration: 29.3 m / 7.90 m/s² WET BRAKING PERFORMANCE * [%] STOPPING DISTANCE [m], 80-0 km/h ** RESIDUAL SPEED WHEN DU STOPPED [km/h] *** 80% 90% 100% 25 30 35 40 0 10 20 30 40 DUNLOP SPORT 100,0% 31,3 MAXX RT2 SUV BRIDGESTONE 86,4% 36,2 29,5 DUELER H/P SPORT MICHELIN LATITUDE 91,3% 34,3 23,6 SPORT 3 PIRELLI P ZERO 84,9% 36,9 31,1 ROSSO *) The calculation of the percentage performance is based on the mean deceleration values resulting from the measured braking distances. **) The extrapolation is based on the mean corrected deceleration values resulting from the measured braking distances. ***) The calculation of the residual speed is based on the extrapolated stopping distance (80-0 km/h) and the mean deceleration values resulting from the measured braking distances. TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 7 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ LATERAL WET GRIP - ESP off - Circle radius: 42 m - Test surface: wet asphalt circle - Result Dunlop Sport Maxx RT2 SUV: Ø Lap time / mean lateral acceleration: 16.01 sec / 6.47 m/s² LATERAL WET GRIP - LAP TIMES * [sec] 15 16 17 18 DUNLOP SPORT MAXX RT2 SUV 16,01 BRIDGESTONE DUELER H/P SPORT 17,42 MICHELIN LATITUDE SPORT 3 16,78 PIRELLI P ZERO ROSSO 17,51 *) The calculation of the lap times is based on the mean lateral acceleration values and the percentage performances. TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 8 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ WET HANDLING - ESP off - Subjective assessment & lap times - Handling track with wet asphalt, length: 1700 m - Result Dunlop Sport Maxx RT2 SUV: Ø Speed: 88.8 km/h Ø Rating (out of max. 10): 8.64 WET HANDLING PERFORMANCE * [%] 80% 85% 90% 95% 100% 105% DUNLOP SPORT MAXX RT2 SUV 100,0% BRIDGESTONE DUELER H/P SPORT 96,4% MICHELIN LATITUDE SPORT 3 97,5% PIRELLI P ZERO ROSSO 96,6% *) The calculation of the percentage performance is based on the speed and the rating scores (at the ratio 2:1). TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 9 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ DRY BRAKING - ABS-braking - Speed range: 100 to 0 km/h - Test surface: dry asphalt - Result Dunlop Sport Maxx RT2 SUV: Ø Stopping distance / mean deceleration: 34.3 m / 11.24m/s² DRY BRAKING PERFORMANCE * [%] STOPPING DISTANCE [m], 100-0 km/h RESIDUAL SPEED WHEN DU STOPPED [km/h] ** 80% 90% 100% 31 33 35 37 0 10 20 30 DUNLOP SPORT MAXX 100,0% 34,3 RT2 SUV BRIDGESTONE 95,7% 35,9 20,8 DUELER H/P SPORT MICHELIN LATITUDE 96,5% 35,6 18,7 SPORT 3 PIRELLI P ZERO 95,3% 36,0 21,5 ROSSO *) The calculation of the percentage performance is based on the mean deceleration values resulting from the measured braking distances. **) The calculation of the residual speed is based on the measured braking distances and the mean deceleration values resulting from the measured braking distances. TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 10 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ DRY HANDLING - ESP off - Subjective assessment & lap times - Handling track with dry asphalt, length: 3100 m - Result Dunlop Sport Maxx RT2 SUV: Ø Speed: 105.8 km/h Ø Rating (out of max. 10): 8.30 DRY HANDLING PERFORMANCE * [%] 80% 85% 90% 95% 100% 105% DUNLOP SPORT MAXX RT2 SUV 100,0% BRIDGESTONE DUELER H/P SPORT 100,3% MICHELIN LATITUDE SPORT 3 98,8% PIRELLI P ZERO ROSSO 97,9% *) The calculation of the percentage performance is based on the speed and the rating scores (at the ratio 2:1). TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 11 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ ROLLING RESISTANCE - Acc. to ISO 28580 / EC 1222/2009 - Electrical power method - Load & Inflation: 780 kg (XL) / 700 kg - 2.50 bar (XL) / 2.10 bar - Result Dunlop Sport Maxx RT2 SUV RR-Force FR = 63.9 N RR-Coefficient cR = 8.36 kg/t (≙ EC Label RRC = 8.1) ROLLING RESISTANCE EC LABEL VALUE CR [kg/t] 6,0 7,0 8,0 9,0 10,0 DUNLOP SPORT MAXX RT2 SUV 8,1 BRIDGESTONE DUELER H/P SPORT 10,0 MICHELIN LATITUDE SPORT 3 8,2 PIRELLI P ZERO ROSSO 8,6 TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 12 Tire Test TÜV SÜD PS – 2017 Report No. 713117618D-06 TEST RESULTS ▪ PASS-BY NOISE - In accordance to ECE R117 - Reference speed: 80 km/h - Load & Inflation FA / RA: 1370 kg / 1390 kg - 2.00 bar / 2.00 bar - Result Dunlop Sport Maxx RT2 SUV: LR(Jref) = 70.7 dB(A) Noise level acc. ECE R117 = 69 dB(A) TIRE ROLLING NOISE (measured, normalized values) [dB(A)] The resulting type approval values are given in brackets. 69 70 71 72 73 DUNLOP SPORT MAXX RT2 SUV 70,7 (69) BRIDGESTONE DUELER H/P SPORT 71,0 (70) MICHELIN LATITUDE SPORT 3 72,6 (71) PIRELLI P ZERO ROSSO 71,8 (70) TÜVTÜV SÜDSÜD AutomotiveProduct Service GmbH GmbH Page 13.