You're viewing new Continental ExtremeContact Sport 02 Tire | 255/40R17 | SL | Manufacturer Part No 03125030000.
Continental ExtremeContact Sport 02 — 255/40R17 94W
The Continental ExtremeContact Sport 02 255/40R17 94W is a flagship ultra-high-performance summer tire engineered for sports coupes, performance saloons, and mid-size sports cars. The second generation of Continental's ExtremeContact Sport builds on the proven foundation of its predecessor with an upgraded SportPlus compound, revised asymmetric tread geometry, and optimised carcass construction — delivering measurably shorter braking distances, higher lateral grip, and improved treadwear compared to the original ExtremeContact Sport in the same size class.
Size Profile: 255/40R17 — Low-profile 40-series profile
The 255/40R17 specification targets sports coupes and performance saloons. Standard load construction is suited to the demands of this application — Standard load construction provides the optimum casing compliance for this application, delivering the right lateral stiffness and feedback characteristics for the performance driving demands of this vehicle class without over-stiffening the ride at road-use pressures. The low-profile 40-series profile provides low sidewall flex and precise steering feel: at 40-series, the sidewall height is 102mm — maintaining the balance of feedback and compliance ideal for performance driving in varied road conditions. The W speed rating confirms suitability up to 270 km/h, covering the full speed envelope of the performance cars in this application.
SportPlus Compound — Dry Dominance
The ExtremeContact Sport 02's updated SportPlus compound is formulated for the temperature range of warm-weather performance driving — from cool spring mornings above 7°C to the heat generated in the tire contact patch during sustained track-pace cornering. The compound's polymer structure maintains grip consistency as the tire heats through its operating range, avoiding the sudden breakaway that older-generation summer compounds can exhibit when pushed beyond their thermal window. On dry roads, the rigid outer shoulder blocks resist deformation under lateral loading, keeping the contact patch engaged with the road surface through the full arc of a corner and delivering the confident, linear grip increase that performance drivers rely on.
Wet Performance and Safety
Despite its performance summer classification, the ExtremeContact Sport 02 delivers compelling wet-weather safety for a tire optimised primarily for dry grip. The asymmetric tread's inner zone features wide circumferential drainage channels and angled lateral grooves that route water away from the contact patch at speed, resisting aquaplaning and maintaining grip during sudden summer downpours. Micro-sipes in the tread blocks add biting edges for wet-road adhesion, shortening braking distances on wet tarmac while maintaining the block rigidity needed for dry-road lateral grip — a balance that makes the Sport 02 a more usable daily-driver tire than equivalent track-focused summer compounds.
Vehicle Compatibility and Fitment Examples
The 255/40R17 94W is widely used and approved for sports coupes and performance saloons, including BMW M3 (E46) rear, Porsche 911 Carrera (996) rear, Nissan 370Z front, Audi RS4 (B5) rear. These are representative applications — always verify load index, speed rating, and any OE or vehicle-specific homologation requirements against your vehicle's door-jamb placard and owner manual. Staggered setups require front and rear sizes to be matched precisely to the manufacturer's specification; mixing aspect ratios or section widths on the same axle is not permitted. This tire is designed exclusively for summer use — do not use below 7°C, as the compound hardens significantly at low temperatures and traction is substantially reduced.
Installation and Performance Maintenance
Recommended rim width: 7.0J–9.0J. Set inflation pressure to the vehicle placard value — never inflate to the maximum pressure moulded on the sidewall. Performance tires are particularly sensitive to pressure deviations: under-inflation increases shoulder wear and reduces cornering stability, while over-inflation hardens the contact patch and reduces the tire's grip area during dynamic load transfer. For vehicles used on track, follow the vehicle manufacturer's or tire manufacturer's recommended track inflation protocol — cold track pressures typically differ from road pressures by 2–6 psi depending on circuit conditions. Inspect tread depth and sidewall condition after every track session; low-profile performance tires absorb circuit kerb impacts differently to road use and may develop internal carcass damage not visible externally. Minimum recommended replacement depth for wet-weather safety is 3mm.
