ADAC summer tire test. Can there be only one winner?

It has excellent "tenacity" on dry pavement, and also copes well with the removal of water on wet surfaces. What summer tires are closest to the ideal? ADAC experts have verified this.

The spring lasted for several days, although neither the temperature nor the weather conditions indicate this. Not surprisingly, most drivers still have not changed tires from winter to summer. Considering that in our latitudes snowfall occurs even in April (and May can be white, as evidenced by 2011), such decisions can hardly be called careless. However, nothing stops you from thinking about buying a new set of tires. In this matter, the results of tests carried out by the German Automobile Club ADAC may be useful. Two tire sizes were offered: 195/65 R15 91V for compact cars and 215/65 R 16 H for SUVs.

Five categories

The tires were evaluated in five categories: dry driving, wet driving, noise, fuel economy (rolling resistance) and durability. With the exception of the wear measurement, all tests were carried out in a closed proving ground. Each product was randomly assigned a number to make the study anonymous.

In the case of dry driving performance, attention was paid in particular to on: the general behavior of the tire in straight-line driving, steering response, cornering safety and track change. The results of braking with ABS from 100 km/h to 1 km/h are also significant.

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When it came to the behavior of tires on wet surfaces, it was about driving in a circle at the maximum possible speed (driving time was measured, and the test driver subjectively assessed how the car behaves - including whether it has a tendency to understeer or oversteer), crossing as fast as possible (if possible) a wet, winding track 1900 m long (parameters are the same as above). Also evaluated were braking from 80 km/h to 20 km/h on asphalt and concrete pavements (braking started at 85 km/h and its distance was measured from reaching 80 km/h) and longitudinal aquaplaning (the speed at which a layer on the water, slipping front wheels exceeds 15% - the value resulting from the difference between the actual speed of the car and that which it should have in relation to the speed of the wheels) and lateral hydroplaning (lateral acceleration resulting from an increase in cornering speed from 65 km / h to 95 km/h every 5 km/h when driving on a 200 m circular track with a 20 m deep water pool 7 mm deep; the vehicle's behavior when starting to skid after exceeding the acceleration limit for this tire is also taken into account). Braking was carried out using a special rail that prevents deviation from the track. The advantage of the design is that each measurement can be repeated under the same conditions.

The noise tests assessed tire noise both from inside the vehicle (subjective opinion of two people seated inside while driving at 80 km/h and 20 km/h) and from outside (mixed noise according to ISO 362 on pavement that meets the requirements ISO 108). 44 while driving at 80 km/h with the engine off). The fuel consumption tests consisted of driving a 2 km distance three times at a constant speed of 100 km/h and measuring the fuel consumption.

Tire wear measurements were carried out mainly when driving in a convoy of several identical cars in the vicinity of Landsberg am Lech for a distance of 15 thousand kilometers. km (40% of the distance covered on motorways at speeds up to 150 km/h). Every 5 km, the tires were sent to a test bench, where the tread depth was measured at 7 points around the circumference of the tire using laser instruments. In addition, wear tests have been carried out in Bridgestone Laboratories.

The final score, ie.

In the case of a final rating, it should be taken into account that it is the result of the worst rating for one of the main criteria: “dry surface”, “wet surface”, “fuel consumption” and “wear resistance”. For example, if a tire scores 2,0 on three of the four criteria and only one on one (2,6), the final score cannot be higher than 2,6. In other words: the criterion that led to a decrease in the deposit is assigned a weight of 100%, and the rest 0%. This is to ensure that only tires that meet the specified requirements across all criteria receive a good rating and recommendation from ADAC. "Strong" tires have no chance of getting high marks only on some parameters, if at the same time they show obvious shortcomings on other criteria.

When the deposit has been reduced by many of the main criteria, the final score is set from the weakest scores. For example, if a tire model scores 2,0 on two of the six main criteria, 2,6 on one and 2,7 on the other, the overall score cannot be higher than 2,7. This method of determining the final score is intended to prevent a tire having one or more significant disadvantages from compensating for these disadvantages with clear advantages on other main criteria. It should be noted that the "noise" criterion is not taken into account in this method for determining the final grade.

For compact car

In the class of tires designed for vehicles such as the VW Golf (which was tested), Ford Focus or Renault Megane, 16 models were tested. Five "good", ten "satisfactory" and one "enough" ratings were given. Conclusions? Drivers who focus on keeping the car on wet surfaces should choose the Continental ContiPremiumContact 5, and car enthusiasts who focus on good driving performance on dry pavement should choose the Dunlop Sport BluResponse. The Michelin Energy Saver+ provides very high mileage (but you have to put up with poor results in the wet). In the fuel economy category, the GT Radial Champiro FE1 scored the highest, which is also the quietest.

Have an off-road vehicle

For tires selected for use in compact SUVs (such as the VW Tiguan and Nissan Qashqai), 15 models were tested. Dunlop and Continental products were not included because, as ADAC explains, they would only be comparable to some other models with a slightly more off-road character. Two tires were rated “good”, eleven “fair”, one “enough” and one “insufficient”, which was associated with terrible behavior on wet surfaces, especially in tests of braking, maneuvering and driving in a circle / w bends. The experts of the German Automobile Club noted that six tire models had the designation M + S (Mud and Snow). They are given to tires designed to drive through mud and snow. And although it is often interpreted as winter, as representatives of ADAC point out, this is not quite the correct interpretation. This applies to all season tyres, not just winter tyres. This is confirmed by traction and braking measurements, which were additionally subjected to the above six tires (the results were not taken into account in the points). They show that in practice only two models have satisfactory performance on snowy surfaces. Therefore, experts recommend choosing SUV tires for use in winter with those that, in addition to marking M + S, also have a snowflake symbol indicating that they are winter tires.

Summer tires 195/65 R15 91V

Make a Model	dry surface	wet surface	Noise	Fuel consumption	Durability	final grade
Percentage in final grade	20%	40%	10%	10%	20%	100%
Pirelli Cinturato P1 Verde	2,1	2,0	2,9	2,3	1,5	2,1
Bridgestone Turanza T001	1,7	2,1	3,4	1,9	2,5	2,2
Continental ContiPremiumContact 5	1,8	1,9	3,1	2,4	2,5	2,2
Goodyear EfficientGrip Performance	1,6	2,1	3,5	1,9	2,5	2,2
Esa-Tekar Spirit 5 hp^*	2,5	2,3	3,2	2,0	2,5	2,5
Dunlop Sport BluResponse	1,5	2,6^**	3,2	1,9	2,5	2,6
Nokian Line	2,2	2,6^**	3,5	2,3	2,0	2,6
Fredestein Sports Truck 5	2,6	2,8^**	3,2	2,0	1,0	2,8
PrecisionAce 2 AH03	2,5	2,2	3,1	2,5	3,0^**	3,0
Kumho Ecowing ES01 KH27	2,3	2,7	3,2	1,8	3,0^**	3,0
Michelin Energy Saving+	1,9	3,0^**	3,2	1,8	0,5	3,0
Sava Intense HP	2,2	3,0^**	3,2	2,1	1,5	3,0
Semperite Comfort Life 2	2,9	3,0^**	3,4	1,8	2,0	3,0
Hankook Wind Prime 3 K125	1,8	3,3^**	3,0	2,2	2,5	3,3
Maxis Premitra HP5	1,9	2,3	3,2	2,3	3,5^**	3,5
GT Radial Champiro FE1	2,9	4,0^**	2,8	1,6	1,5	4,0

0,5-1,5 - Great, 1,6-2,5 - Fine, 2,6-3,5 - satisfactory, 3,6-4,5 - sufficient 4,6-5,5 - insufficient

Distributed by Tecar International Trade GmbH

Note that has a direct impact on the final grade

Summer tires 215/65 R16 H

Make a Model	dry surface	wet surface	Noise	Fuel consumption	Durability	final grade
Percentage in final grade	20%	40%	10%	10%	20%	100%
Goodyear EfficientGrip SUV	2,0	2,0	3,0	2,3	2,0	2,1
Cooper Zeon 4XS Sport	2,2	2,5	3,1	2,3	2,5	2,5
Destination Firestone HP	1,7	2,8^*	3,1	2,1	2,5	2,8
Nokian Line SUV XL	2,1	2,6	3,2	2,8^*	2,5	2,8
Pirelli Scorpio Green XL	1,8	2,8^*	3,1	2,1	1,5	2,8
SUV Semperit Comfort-Life 2	2,4	2,9^*	3,2	1,9	2,0	2,9
Uniroyal Rain Expert 3 SUV	3,0^*	2,0	3,1	2,1	2,5	3,0
Barum Bravuris 4 × 4	3,1^*	2,7	3,0	2,1	2,0	3,1
General Grabber GT	2,3	3,1^*	3,1	2,0	2,0	3,1
Apollo Apterra X/P	3,2	3,3^*	3,0	2,0	2,0	3,3
Hankook Dynapro HP2 RA33	2,3	3,3^*	2,8	1,9	2,0	3,3
BF Goodrich g-Grip SUV	2,0	3,4^*	3,2	1,5	2,0	3,4
Bridgestone Dueler H / P Sport	1,6	3,5^*	2,9	2,0	2,0	3,5
Michelin Latitude Tour HP	2,3	3,9^*	3,1	1,9	0,5	3,9
Yokohama Geolandar SUV	2,9	5,5^*	2,9	1,7	1,5	5,5