Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/60-15 | 325/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.94 (735) | 27.8 (706) | -1.14 (-29) -3.9% |
| Width inches (mm) | 11.61 (295) | 12.8 (325) | 1.18 (30) 10.2% |
| Circum. inches (mm) | 90.91 (2309.07) | 87.32 (2217.96) | -3.59 (-91.11) -3.9% |
| Sidewall Height inches (mm) | 6.97 (177) | 6.4 (162.5) | -0.57 (-14.5) -8.2% |
| Revolutions per mile (km) | 696.97 (433.07) | 725.6 (450.86) | 28.63 (17.79) 4.1% |
325/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.21 mph (30.92 km/h) |
| 25 mph (40.23 km/h) | 24.01 mph (38.65 km/h) |
| 30 mph (48.28 km/h) | 28.82 mph (46.38 km/h) |
| 35 mph (56.33 km/h) | 33.62 mph (54.1 km/h) |
| 40 mph (64.37 km/h) | 38.42 mph (61.83 km/h) |
| 45 mph (72.42 km/h) | 43.22 mph (69.56 km/h) |
| 50 mph (80.47 km/h) | 48.03 mph (77.29 km/h) |
| 55 mph (88.51 km/h) | 52.83 mph (85.02 km/h) |
| 60 mph (96.56 km/h) | 57.63 mph (92.75 km/h) |
| 65 mph (104.61 km/h) | 62.44 mph (100.48 km/h) |
| 70 mph (112.65 km/h) | 67.24 mph (108.21 km/h) |
| 75 mph (120.7 km/h) | 72.04 mph (115.94 km/h) |
| 80 mph (128.75 km/h) | 76.84 mph (123.67 km/h) |
| 85 mph (136.79 km/h) | 81.65 mph (131.4 km/h) |
| 90 mph (144.84 km/h) | 86.45 mph (139.13 km/h) |
| 95 mph (152.89 km/h) | 91.25 mph (146.86 km/h) |
| 100 mph (160.93 km/h) | 96.05 mph (154.58 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
