Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/65-15 | 325/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.1 (764.5) | 27.8 (706) | -2.3 (-58.5) -7.7% |
| Width inches (mm) | 11.61 (295) | 12.8 (325) | 1.18 (30) 10.2% |
| Circum. inches (mm) | 94.56 (2401.75) | 87.32 (2217.96) | -7.24 (-183.78) -7.7% |
| Sidewall Height inches (mm) | 7.55 (191.75) | 6.4 (162.5) | -1.15 (-29.25) -15.3% |
| Revolutions per mile (km) | 670.07 (416.36) | 725.6 (450.86) | 55.52 (34.5) 8.3% |
325/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.47 mph (29.72 km/h) |
| 25 mph (40.23 km/h) | 23.09 mph (37.15 km/h) |
| 30 mph (48.28 km/h) | 27.7 mph (44.59 km/h) |
| 35 mph (56.33 km/h) | 32.32 mph (52.02 km/h) |
| 40 mph (64.37 km/h) | 36.94 mph (59.45 km/h) |
| 45 mph (72.42 km/h) | 41.56 mph (66.88 km/h) |
| 50 mph (80.47 km/h) | 46.17 mph (74.31 km/h) |
| 55 mph (88.51 km/h) | 50.79 mph (81.74 km/h) |
| 60 mph (96.56 km/h) | 55.41 mph (89.17 km/h) |
| 65 mph (104.61 km/h) | 60.03 mph (96.6 km/h) |
| 70 mph (112.65 km/h) | 64.64 mph (104.03 km/h) |
| 75 mph (120.7 km/h) | 69.26 mph (111.46 km/h) |
| 80 mph (128.75 km/h) | 73.88 mph (118.9 km/h) |
| 85 mph (136.79 km/h) | 78.5 mph (126.33 km/h) |
| 90 mph (144.84 km/h) | 83.11 mph (133.76 km/h) |
| 95 mph (152.89 km/h) | 87.73 mph (141.19 km/h) |
| 100 mph (160.93 km/h) | 92.35 mph (148.62 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1847 | 2145 | 2310 | 2412 | 2522 | 2601 | 2687 | 2789 | 2931 | 3072 | 3229 | 3355 | 3583 | 3834 | 4031 | 4157 | 4227 | 4487 | 4848 | 5634 |
Better Fuel Economy Factory Ratios Increased Power
