Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/65-15 | 30/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.1 (764.5) | 30.02 (762.6) | -0.07 (-1.9) -0.2% |
| Width inches (mm) | 11.61 (295) | 12.52 (318) | 0.91 (23) 7.8% |
| Circum. inches (mm) | 94.56 (2401.75) | 94.32 (2395.78) | -0.24 (-5.97) -0.2% |
| Sidewall Height inches (mm) | 7.55 (191.75) | 7.51 (190.8) | -0.04 (-0.95) -0.5% |
| Revolutions per mile (km) | 670.07 (416.36) | 671.74 (417.4) | 1.67 (1.04) 0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.95 mph (32.11 km/h) |
| 25 mph (40.23 km/h) | 24.94 mph (40.13 km/h) |
| 30 mph (48.28 km/h) | 29.93 mph (48.16 km/h) |
| 35 mph (56.33 km/h) | 34.91 mph (56.19 km/h) |
| 40 mph (64.37 km/h) | 39.9 mph (64.21 km/h) |
| 45 mph (72.42 km/h) | 44.89 mph (72.24 km/h) |
| 50 mph (80.47 km/h) | 49.88 mph (80.27 km/h) |
| 55 mph (88.51 km/h) | 54.86 mph (88.29 km/h) |
| 60 mph (96.56 km/h) | 59.85 mph (96.32 km/h) |
| 65 mph (104.61 km/h) | 64.84 mph (104.35 km/h) |
| 70 mph (112.65 km/h) | 69.83 mph (112.37 km/h) |
| 75 mph (120.7 km/h) | 74.81 mph (120.4 km/h) |
| 80 mph (128.75 km/h) | 79.8 mph (128.43 km/h) |
| 85 mph (136.79 km/h) | 84.79 mph (136.45 km/h) |
| 90 mph (144.84 km/h) | 89.78 mph (144.48 km/h) |
| 95 mph (152.89 km/h) | 94.76 mph (152.51 km/h) |
| 100 mph (160.93 km/h) | 99.75 mph (160.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1709 | 1986 | 2139 | 2233 | 2335 | 2408 | 2488 | 2582 | 2713 | 2844 | 2990 | 3106 | 3317 | 3550 | 3732 | 3848 | 3914 | 4154 | 4488 | 5216 |
Better Fuel Economy Factory Ratios Increased Power
