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Sports tire test 235/35 and 305/30 R19: five non-slip alternatives for the 911

Frank Herzog
Sports tire test 235/35 and 305/30 R19
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D ie tire dimension 235 /35 R19 has had its day? Perhaps on the front axle of the latest Porsche 911 series. But neither on the 997 911s, which are still widespread, nor on the Audi R8 or the Lamborghini Gallardo - not to mention countless compact athletes who can even wear this size all around. On the rear axle, of course, the Porsche relies on wider rubber, namely size 305/30 R19, which would clarify the test dimensions of the five sports tires to be compared.

Tires with sporty driving characteristics

Sport - this addition is known to have a lot these days. The five tire test aspirants - Continental Force Contact, Dunlop Sport Maxx Race, Michelin Pilot Sport Cup +, Pirelli P Zero Trofeo and Toyo Proxes R 888 but rightly so. Because the construction and the profile of this special species of tires are geared towards one primary goal: sporty driving characteristics, mainly in dry conditions.

Thus, the weighting of the tire test criteria is based on the purpose of a dry race track. Of the maximum 200 points to be awarded, 150 are allotted to the dry tests and a maximum of 50 to the driving tests in the wet.

Sports tires with disadvantages in wet conditions

However, the Toyo R 888 can only score a measly nine points at the wet maturity test points. The mixture of Porsche 911 and Toyo Proxes R 888 is simply out of the question on wet roads because it is almost impossible to drive.

The Conti Force Contact finds the compromise much better. He is able to travel adequately and above all safely to the racetrack even when it is wet, to turn fast laps there despite his objectively soft and safe driving behavior, and to start the journey home with enough remaining profile.

Sports tires on the Porsche 911 Carrera S

However, the two latest products in the ring are among the fastest burners on a closed track: the Pirelli and the Dunlop . The latter impresses above all with its extremely balanced driving behavior, which gives the 997-Carrera S the best possible neutrality and the Sport Maxx Race first place in the interim ranking.

But the new development leaves feathers when wet. Aquaplaning and braking are notas much her thing as there is a lack of wet grip at all, which shows the rather mediocre lap time. The Pirelli bites better in the wet, although the rear of the 911 is jagged as is the case with the Dunlop. But overall, the P Zero Trofeo copes better in wet conditions, stays on the Sport Maxx Race's feet when it is dry and thus secures the most points in the test.

Weight matters

And the Michelin? The sports tire still suffers from the slightly bitchy handling when it is wet and, despite its fascinatingly direct driving experience, can no longer mark the top in the test environment in dry conditions. At 42 kilograms - measured on a set of tires, without the forged Fuchs rims of course - the Frenchman and the Conti have the lowest mass. And weight, which we have known not only since the further development of the 911, ultimately also plays a decisive role for an athlete.

Conclusion:
In dry and wet conditions not right at the front, but the sum of its properties put the Pirelli P Zero Trofeo in first place in the sports tire test. The Italian proves to be quite useful on wet roads - although the load change reactions have to be parried quickly. In dry conditions, it marks the fastest time by a narrow margin. At the limit, the rear axle remains stable for a long time, the first direct turn is followed by a gentle tendency to understeer, which makes the Trofeo manageable

This is how the sports tire test evaluates: The tire with the best value per criterion receives the full points. In terms of steering precision, directness and responsiveness from the central position count, in terms of driving behavior, the greatest possible neutrality in the limit area.

Conclusion:
Nobody is more sociable than the Continental Force Contact in wet conditions - the average aquaplaning performance aside. But the driving behavior is free from pitfalls. On the other hand, the Conti lacks the subjective sharpness on dryness, which has absolutely no effect on the lap time in the tire test. The Force Contact is fast, even if it doesn't feel that much at the limit due to its slightly understeering behavior and the generally soft movement.

This is how the sports tire test evaluates: The tire with the best value per criterion each receives full points. In terms of steering precision, directness and responsiveness from the central position count, in terms of driving behavior, the greatest possible neutrality in the border area.

Conclusion:
Subjectively, the Michelin Pilot Sport Cup + is the sharpest in the alliance of tire test alternatives. The Frenchman offers that racing feeling, especially through his extremely direct, jagged turn-in behavior and the high level of grippure, but also requires a quick, knowledgeable hand on the steering wheel due to its jagged load change reactions. Although the aquaplaning performance is good, caution is advised in wet conditions because the grip on the rear axle breaks off relatively suddenly.

This is how the sports tire test evaluates: The tire with the best value per criterion receives the full number of points. When it comes to steering precision, directness and responsiveness from the central position count, and when it comes to driving behavior, the greatest possible neutrality in the border area.

Conclusion:
The brand new Dunlop Sport Maxx Race proves the Drying criteria in the tire test first place. In terms of lap time, it is one of the fastest in the comparison field, even if the differences here are marginal. Its absolutely neutral driving behavior at the limit is great - steering and braking behavior are also absolutely top. The other side of the coin, however, shows itself in the wet. Here the Sport Maxx Race lacks grip level. The Dunlop reacts relatively jaggedly to load changes, the aquaplaning performance is rather average.

This is how the sports tire test is evaluated: The tire with the best value per criterion receives the full number of points. In terms of steering precision, directness and responsiveness from the central position count, in terms of driving behavior, the greatest possible neutrality in the border area.

Conclusion:
In a nutshell: it is the same on a wet road Ride the Toyo R 888 in an egg dance. At first the 911 does not turn in, then the rear wedges suddenly at 40 km /h - not to mention the poor deceleration and the moderate aquaplaning properties. In dry conditions, the Toyo lacks steering precision compared to the competition, and here too the relatively loose rear of the Porsche 911 requires a lot of steering wheel work. The Toyo R 888 only comes out on top in the tire test when it comes to decelerating on dry tracks.

This is how the sports tire test is evaluated: The tire with the best value for each criterion receives full points. When it comes to steering precision, what counts is directness and responsiveness from the central position, and when it comes to driving behavior, the greatest possible neutrality in the limit range.

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