Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 29.5/10.5-15 | 305/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.51 (749.46) | 29.41 (747) | -0.1 (-2.46) -0.3% |
| Width inches (mm) | 10.51 (267) | 12.01 (305) | 1.5 (38) 14.2% |
| Circum. inches (mm) | 92.7 (2354.5) | 92.39 (2346.77) | -0.3 (-7.73) -0.3% |
| Sidewall Height inches (mm) | 7.25 (184.23) | 7.2 (183) | -0.05 (-1.23) -0.7% |
| Revolutions per mile (km) | 683.52 (424.72) | 685.77 (426.12) | 2.25 (1.4) 0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.93 mph (32.08 km/h) |
| 25 mph (40.23 km/h) | 24.92 mph (40.1 km/h) |
| 30 mph (48.28 km/h) | 29.9 mph (48.12 km/h) |
| 35 mph (56.33 km/h) | 34.89 mph (56.14 km/h) |
| 40 mph (64.37 km/h) | 39.87 mph (64.16 km/h) |
| 45 mph (72.42 km/h) | 44.85 mph (72.18 km/h) |
| 50 mph (80.47 km/h) | 49.84 mph (80.2 km/h) |
| 55 mph (88.51 km/h) | 54.82 mph (88.22 km/h) |
| 60 mph (96.56 km/h) | 59.8 mph (96.24 km/h) |
| 65 mph (104.61 km/h) | 64.79 mph (104.26 km/h) |
| 70 mph (112.65 km/h) | 69.77 mph (112.28 km/h) |
| 75 mph (120.7 km/h) | 74.75 mph (120.3 km/h) |
| 80 mph (128.75 km/h) | 79.74 mph (128.33 km/h) |
| 85 mph (136.79 km/h) | 84.72 mph (136.35 km/h) |
| 90 mph (144.84 km/h) | 89.7 mph (144.37 km/h) |
| 95 mph (152.89 km/h) | 94.69 mph (152.39 km/h) |
| 100 mph (160.93 km/h) | 99.67 mph (160.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1745 | 2027 | 2183 | 2280 | 2384 | 2458 | 2540 | 2636 | 2770 | 2904 | 3052 | 3171 | 3386 | 3624 | 3810 | 3928 | 3995 | 4240 | 4582 | 5325 |
Better Fuel Economy Factory Ratios Increased Power
