Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/10-15 | 305/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28 (711.2) | 27.81 (706.3) | -0.19 (-4.9) -0.7% |
| Width inches (mm) | 10 (254) | 12.01 (305) | 2.01 (51) 20.1% |
| Circum. inches (mm) | 87.96 (2234.3) | 87.36 (2218.91) | -0.61 (-15.39) -0.7% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 5.4 (137.25) | -1.1 (-27.85) -16.9% |
| Revolutions per mile (km) | 720.29 (447.57) | 725.29 (450.67) | 5 (3.11) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.86 mph (31.97 km/h) |
| 25 mph (40.23 km/h) | 24.83 mph (39.96 km/h) |
| 30 mph (48.28 km/h) | 29.79 mph (47.95 km/h) |
| 35 mph (56.33 km/h) | 34.76 mph (55.94 km/h) |
| 40 mph (64.37 km/h) | 39.72 mph (63.93 km/h) |
| 45 mph (72.42 km/h) | 44.69 mph (71.92 km/h) |
| 50 mph (80.47 km/h) | 49.66 mph (79.91 km/h) |
| 55 mph (88.51 km/h) | 54.62 mph (87.9 km/h) |
| 60 mph (96.56 km/h) | 59.59 mph (95.9 km/h) |
| 65 mph (104.61 km/h) | 64.55 mph (103.89 km/h) |
| 70 mph (112.65 km/h) | 69.52 mph (111.88 km/h) |
| 75 mph (120.7 km/h) | 74.48 mph (119.87 km/h) |
| 80 mph (128.75 km/h) | 79.45 mph (127.86 km/h) |
| 85 mph (136.79 km/h) | 84.41 mph (135.85 km/h) |
| 90 mph (144.84 km/h) | 89.38 mph (143.84 km/h) |
| 95 mph (152.89 km/h) | 94.35 mph (151.83 km/h) |
| 100 mph (160.93 km/h) | 99.31 mph (159.83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1846 | 2144 | 2309 | 2411 | 2521 | 2600 | 2686 | 2788 | 2930 | 3071 | 3228 | 3354 | 3581 | 3833 | 4029 | 4155 | 4226 | 4485 | 4846 | 5631 |
Better Fuel Economy Factory Ratios Increased Power
