Continental UltraContact NXT is a summer tyre made in total of 22 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/55 R17 is 10mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (255). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (215mm), which results in 118.25mm sidewall height. In 215/55 R17, there is only one possible speed index for Continental UltraContact NXT - "W", which is good for speeds up to 270 km/h. Latest test in 215/55 R17 was held by Automotorsport in 2025, where UltraContact NXT received rating "Outstanding" and finished on the 1. place. It was tested on a Audi A5.
Relevant tyre tests in same or similiar dimension (215/55 R17)
Automotorsport Summer tyre test 2025 215/55 R17 outstanding Ranked #1 of 6The Continental UltraContact NXT secured the top position out of six competitors, earning an 'Outstanding' rating in the evaluation. It impressed the testers with its particularly balanced overall performance, featuring the shortest braking distances and secure, well-balanced handling on wet surfaces. On dry asphalt, the tire displayed pronounced understeering with high cornering stability and offered low rolling resistance. It excelled notably in disciplines like dry handling, objective dry handling, dry lane changing, and wet braking. A minor shortcoming was noted in braking on dry surfaces, but overall, the tire demonstrated an exemplary performance.