The 245/40R15 has an overall diameter of 57.7 cm. The T&RA recommended rim width for a 245mm section width is 7–9 inches, with a measuring rim of 8 inches. This page lists 55 compatible alternatives within 3% of the original diameter. Sizes are organized by wheel diameter. Within each section, the closest match per treadwidth is shown in italics. All sizes are theoretical and there may not be an actual production tire for the size.
245/40R15 Specifications
Sidewall Height
9.8 cm
Visible Sidewall
8.1 cm
3.2 in
Overall Diameter
57.7 cm
22.7 in
Current Tire Pricing
| Tire | Size | Price/Tire |
|---|---|---|
| Nankang Sportnex CR-SExtreme Performance Summer | 245/40R15 | $241.00 |
| Vitour Tempesta P1 P-01RExtreme Performance Summer | 245/40R15 | Check Price |
| Falken Azenis RT660+Extreme Performance Summer | 245/40R15 | $182.72 |
| BFGoodrich g-Force Rival +Extreme Performance Summer | 245/40R15 | $251.67 |
| BFGoodrich g-Force Rival S 1.5Extreme Performance Summer | 245/40R15 | $244.30 |
| Continental ExtremeContact ForceExtreme Performance Summer | 245/40R15 | $255.00 |
| Hankook Ventus R-S4Extreme Performance Summer | 245/40R15 | $187.23 |
Price availability updated May 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