Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/10-15 | 305/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28 (711.2) | 27.01 (686) | -0.99 (-25.2) -3.5% |
| Width inches (mm) | 10 (254) | 12.01 (305) | 2.01 (51) 20.1% |
| Circum. inches (mm) | 87.96 (2234.3) | 84.85 (2155.13) | -3.12 (-79.17) -3.5% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 6 (152.5) | -0.5 (-12.6) -7.6% |
| Revolutions per mile (km) | 720.29 (447.57) | 746.75 (464.01) | 26.46 (16.44) 3.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.29 mph (31.05 km/h) |
| 25 mph (40.23 km/h) | 24.11 mph (38.81 km/h) |
| 30 mph (48.28 km/h) | 28.94 mph (46.57 km/h) |
| 35 mph (56.33 km/h) | 33.76 mph (54.33 km/h) |
| 40 mph (64.37 km/h) | 38.58 mph (62.09 km/h) |
| 45 mph (72.42 km/h) | 43.41 mph (69.85 km/h) |
| 50 mph (80.47 km/h) | 48.23 mph (77.62 km/h) |
| 55 mph (88.51 km/h) | 53.05 mph (85.38 km/h) |
| 60 mph (96.56 km/h) | 57.87 mph (93.14 km/h) |
| 65 mph (104.61 km/h) | 62.7 mph (100.9 km/h) |
| 70 mph (112.65 km/h) | 67.52 mph (108.66 km/h) |
| 75 mph (120.7 km/h) | 72.34 mph (116.42 km/h) |
| 80 mph (128.75 km/h) | 77.17 mph (124.19 km/h) |
| 85 mph (136.79 km/h) | 81.99 mph (131.95 km/h) |
| 90 mph (144.84 km/h) | 86.81 mph (139.71 km/h) |
| 95 mph (152.89 km/h) | 91.63 mph (147.47 km/h) |
| 100 mph (160.93 km/h) | 96.46 mph (155.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1900 | 2208 | 2377 | 2483 | 2596 | 2677 | 2766 | 2871 | 3016 | 3162 | 3324 | 3453 | 3687 | 3946 | 4148 | 4278 | 4351 | 4617 | 4989 | 5798 |
Better Fuel Economy Factory Ratios Increased Power
