Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-17 | 105/95-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.87 (631.8) | 24.85 (631.3) | -0.02 (-0.5) -0.1% |
| Width inches (mm) | 4.92 (125) | 4.13 (105) | -0.79 (-20) -16% |
| Circum. inches (mm) | 78.14 (1984.86) | 78.08 (1983.29) | -0.06 (-1.57) -0.1% |
| Sidewall Height inches (mm) | 3.94 (100) | 3.93 (99.75) | -0.01 (-0.25) -0.2% |
| Revolutions per mile (km) | 810.81 (503.81) | 811.45 (504.21) | 0.64 (0.4) 0.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.98 mph (32.16 km/h) |
| 25 mph (40.23 km/h) | 24.98 mph (40.2 km/h) |
| 30 mph (48.28 km/h) | 29.98 mph (48.24 km/h) |
| 35 mph (56.33 km/h) | 34.97 mph (56.28 km/h) |
| 40 mph (64.37 km/h) | 39.97 mph (64.32 km/h) |
| 45 mph (72.42 km/h) | 44.96 mph (72.36 km/h) |
| 50 mph (80.47 km/h) | 49.96 mph (80.4 km/h) |
| 55 mph (88.51 km/h) | 54.96 mph (88.44 km/h) |
| 60 mph (96.56 km/h) | 59.95 mph (96.48 km/h) |
| 65 mph (104.61 km/h) | 64.95 mph (104.52 km/h) |
| 70 mph (112.65 km/h) | 69.94 mph (112.57 km/h) |
| 75 mph (120.7 km/h) | 74.94 mph (120.61 km/h) |
| 80 mph (128.75 km/h) | 79.94 mph (128.65 km/h) |
| 85 mph (136.79 km/h) | 84.93 mph (136.69 km/h) |
| 90 mph (144.84 km/h) | 89.93 mph (144.73 km/h) |
| 95 mph (152.89 km/h) | 94.92 mph (152.77 km/h) |
| 100 mph (160.93 km/h) | 99.92 mph (160.81 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2065 | 2399 | 2583 | 2698 | 2821 | 2909 | 3005 | 3119 | 3278 | 3436 | 3612 | 3752 | 4007 | 4288 | 4508 | 4648 | 4728 | 5017 | 5422 | 6300 |
Better Fuel Economy Factory Ratios Increased Power
