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- Pattern PHI
- Size 255/40 R18
- Load Index 99
- Year 2024
AED 380.00
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Accelera PHI 255/40 R18 99Y XL is a high-performance summer tyre designed for responsive steering, dry-road stability, wet-road handling and confident high-speed driving. This specification combines a 255 mm section width, 40-series profile and 18-inch rim with a reinforced 99Y XL service description. The 99 load index corresponds to a maximum load of 775 kg per tyre, while the Y speed rating is suitable for speeds up to 300 km/h under the applicable conditions.
About Accelera PHI 255/40 R18 99Y
The Accelera PHI is a performance-oriented tyre featuring a dynamic medium lateral groove, straight medium rib and dedicated shoulder blocks. These elements are designed to improve wet handling and rolling resistance, dry-road stability and flexibility, while the shoulder blocks support cornering stability and noise reduction.
Tread Design and Steering Response
The straight medium rib provides a stable central contact area and supports steering precision and flexibility on dry roads. The shoulder blocks are designed to improve cornering and manoeuvring stability, making the PHI suitable for performance-oriented passenger cars.
Dry Road Performance
The wide 255 mm footprint and 40-series profile provide a balanced combination of road contact, steering response and everyday driving comfort. The reinforced XL construction supports the higher load capacity associated with this specification.
Wet Road Performance
The dynamic medium lateral groove is designed to improve wet handling and rolling resistance by assisting water movement through the tread area. Actual wet braking and traction depend on road conditions, tyre pressure, vehicle condition and driving style.
Cornering and Highway Stability
The dedicated shoulder blocks support cornering stability and manoeuvring control. Combined with the 18-inch rim and performance-oriented tread design, the 255/40 R18 configuration is suited to drivers seeking responsive road handling and stable high-speed performance.
Who Should Consider This Tyre?
Accelera PHI 255/40 R18 99Y XL is suited to drivers looking for a summer performance tyre with responsive steering, stable dry-road behaviour and practical wet-road performance. Always confirm that the complete 255/40 R18 99Y XL specification matches the vehicle manufacturer's approved tyre size and load requirements before purchase.
| Tyre Criterion | Details |
|---|---|
| Brand | Accelera |
| Model | PHI |
| Tread Pattern | Dynamic medium lateral groove, straight medium rib and shoulder blocks |
| Complete Tyre Size | 255/40 ZR18 99Y XL |
| Rim Size | 18 inch |
| Load Index | 99 (775 kg maximum load per tyre) |
| Speed Rating | Y (up to 300 km/h) |
| Tyre Type | Summer Performance |
| Vehicle Type | Passenger Car |
| XL / Reinforced | Yes |
| Maximum Inflation Pressure | 51 PSI |
| Measuring Rim Width | 9.0 inch |
| Section Width | 270 mm / approx. 10.6 inch |
| Overall Diameter | 653 mm / approx. 25.7 inch |
| Tread Depth | 9.5 mm / approx. 10/32 inch |
| UTQG Treadwear | 400 |
| UTQG Traction | A |
| UTQG Temperature | A |
| EU Rolling Resistance | C |
| EU Wet Grip | C |
| External Noise | 70 dB / A |
| Run-Flat | No |
| Expected Mileage | Not Specified |
| Country of Origin | Not Confirmed |
| Manufacturing Year | 2024 |
| Display Name | Accelera 255/40 R18 99Y PHI 2024 |
|---|---|
| Parts Category | Tyres |
| Brand | Accelera |
| Pattern | PHI |
| Tyre Size | 255/40 R18 |
| Load Index | 99 |
| Speed Index | Y (300 km/h) |
| Treadwear Mileage | Not Specified |
| Car Type | Passenger |
| Tyre Type | Summer |
| Traction | A |
| Treadwear | 400 |
| Temperature | A |
| Run Flat | No |
| Warranty Period | 1 Year Warranty |
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