Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/70-17 | 135/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.99 (634.8) | 25.5 (647.8) | 0.51 (13) 2% |
| Width inches (mm) | 5.71 (145) | 5.31 (135) | -0.39 (-10) -6.9% |
| Circum. inches (mm) | 78.52 (1994.28) | 80.12 (2035.12) | 1.61 (40.84) 2% |
| Sidewall Height inches (mm) | 4 (101.5) | 4.25 (108) | 0.26 (6.5) 6.4% |
| Revolutions per mile (km) | 806.98 (501.43) | 790.78 (491.37) | -16.19 (-10.06) -2% |
135/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.41 mph (32.85 km/h) |
| 25 mph (40.23 km/h) | 25.51 mph (41.06 km/h) |
| 30 mph (48.28 km/h) | 30.61 mph (49.27 km/h) |
| 35 mph (56.33 km/h) | 35.72 mph (57.48 km/h) |
| 40 mph (64.37 km/h) | 40.82 mph (65.69 km/h) |
| 45 mph (72.42 km/h) | 45.92 mph (73.9 km/h) |
| 50 mph (80.47 km/h) | 51.02 mph (82.12 km/h) |
| 55 mph (88.51 km/h) | 56.13 mph (90.33 km/h) |
| 60 mph (96.56 km/h) | 61.23 mph (98.54 km/h) |
| 65 mph (104.61 km/h) | 66.33 mph (106.75 km/h) |
| 70 mph (112.65 km/h) | 71.43 mph (114.96 km/h) |
| 75 mph (120.7 km/h) | 76.54 mph (123.17 km/h) |
| 80 mph (128.75 km/h) | 81.64 mph (131.38 km/h) |
| 85 mph (136.79 km/h) | 86.74 mph (139.6 km/h) |
| 90 mph (144.84 km/h) | 91.84 mph (147.81 km/h) |
| 95 mph (152.89 km/h) | 96.95 mph (156.02 km/h) |
| 100 mph (160.93 km/h) | 102.05 mph (164.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | 2338 | 2518 | 2629 | 2749 | 2834 | 2929 | 3040 | 3194 | 3348 | 3520 | 3657 | 3905 | 4179 | 4393 | 4530 | 4607 | 4890 | 5284 | 6140 |
Better Fuel Economy Factory Ratios Increased Power
