245/40R15 Specifications
Overall Diameter
57.7 cm
22.7 in
Sidewall Height
9.8 cm
3.9 in
Visible Sidewall
8.1 cm
3.2 in
Closest Match per Treadwidth See all 14 sizes →
| Tire Size | % Diff | @ 60 mph |
|---|---|---|
| 235/40R15 | -1.4% | 59.2 mph |
| 245/40R15Original | +0.0% | 60.0 mph |
| 255/40R15 | +1.4% | 60.8 mph |
| 265/35R15 | -1.8% | 58.9 mph |
| 275/35R15 | -0.6% | 59.6 mph |
55 compatible alternatives within 3% of the original diameter, organized by wheel diameter. The closest match per tread width within each section is shown in italics. All sizes are theoretical and may not actually be produced. Click a size to verify commercial availability.
Current Tire Pricing
| Tire | Price / Tire |
|---|---|
| Nankang Sportnex CR-SExtreme Performance Summer | $241.00Tire Rack → |
| Vitour Tempesta P1 P-01RExtreme Performance Summer | Check PriceTire Rack → |
| Falken Azenis RT660+Extreme Performance Summer | $195.64Tire Rack → |
| BFGoodrich g-Force Rival +Extreme Performance Summer | $251.67Tire Rack → |
| BFGoodrich g-Force Rival S 1.5Extreme Performance Summer | $244.30Tire Rack → |
| Continental ExtremeContact ForceExtreme Performance Summer | $255.00Tire Rack → |
| Hankook Ventus R-S4Extreme Performance Summer | $187.23Tire Rack → |
Price availability updated June 2026. Actual prices may vary.
Tire Recommendations
Extreme Performance Summer
Track days, autocross, and maximum dry grip
Vitour Tempesta P1 P-01R
Treadwear: 200
How to Use This Information
- Stay within 3%: All listed tire sizes maintain proper speedometer accuracy and vehicle dynamics
- Consider aspect ratio: Lower numbers mean shorter sidewalls (better handling, harsher ride)
- Treadwidth matters: Wider tires typically offer more grip but may reduce fuel economy
- Check clearance: Ensure your vehicle has adequate wheel well and suspension clearance
Want to look up compatibility for a different tire size? Use our tire size compatibility lookup