Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-13 | 145/80-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.5 (546.2) | 19.13 (486) | -2.37 (-60.2) -11% |
| Width inches (mm) | 5.31 (135) | 5.71 (145) | 0.39 (10) 7.4% |
| Circum. inches (mm) | 67.56 (1715.94) | 60.11 (1526.81) | -7.45 (-189.12) -11% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.57 (116) | 0.31 (8) 7.4% |
| Revolutions per mile (km) | 937.88 (582.77) | 1054.05 (654.96) | 116.17 (72.19) 12.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.8 mph (28.64 km/h) |
| 25 mph (40.23 km/h) | 22.24 mph (35.8 km/h) |
| 30 mph (48.28 km/h) | 26.69 mph (42.96 km/h) |
| 35 mph (56.33 km/h) | 31.14 mph (50.12 km/h) |
| 40 mph (64.37 km/h) | 35.59 mph (57.28 km/h) |
| 45 mph (72.42 km/h) | 40.04 mph (64.44 km/h) |
| 50 mph (80.47 km/h) | 44.49 mph (71.6 km/h) |
| 55 mph (88.51 km/h) | 48.94 mph (78.76 km/h) |
| 60 mph (96.56 km/h) | 53.39 mph (85.92 km/h) |
| 65 mph (104.61 km/h) | 57.84 mph (93.08 km/h) |
| 70 mph (112.65 km/h) | 62.28 mph (100.24 km/h) |
| 75 mph (120.7 km/h) | 66.73 mph (107.4 km/h) |
| 80 mph (128.75 km/h) | 71.18 mph (114.56 km/h) |
| 85 mph (136.79 km/h) | 75.63 mph (121.72 km/h) |
| 90 mph (144.84 km/h) | 80.08 mph (128.88 km/h) |
| 95 mph (152.89 km/h) | 84.53 mph (136.04 km/h) |
| 100 mph (160.93 km/h) | 88.98 mph (143.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
