Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 125/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 22.87 (581) | 0.43 (11) 1.9% |
| Width inches (mm) | 5.31 (135) | 4.92 (125) | -0.39 (-10) -7.4% |
| Circum. inches (mm) | 70.5 (1790.71) | 71.86 (1825.27) | 1.36 (34.56) 1.9% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.94 (100) | 0.22 (5.5) 5.8% |
| Revolutions per mile (km) | 898.72 (558.44) | 881.7 (547.86) | -17.02 (-10.57) -1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.39 mph (32.81 km/h) |
| 25 mph (40.23 km/h) | 25.48 mph (41.01 km/h) |
| 30 mph (48.28 km/h) | 30.58 mph (49.21 km/h) |
| 35 mph (56.33 km/h) | 35.68 mph (57.41 km/h) |
| 40 mph (64.37 km/h) | 40.77 mph (65.62 km/h) |
| 45 mph (72.42 km/h) | 45.87 mph (73.82 km/h) |
| 50 mph (80.47 km/h) | 50.96 mph (82.02 km/h) |
| 55 mph (88.51 km/h) | 56.06 mph (90.22 km/h) |
| 60 mph (96.56 km/h) | 61.16 mph (98.42 km/h) |
| 65 mph (104.61 km/h) | 66.25 mph (106.63 km/h) |
| 70 mph (112.65 km/h) | 71.35 mph (114.83 km/h) |
| 75 mph (120.7 km/h) | 76.45 mph (123.03 km/h) |
| 80 mph (128.75 km/h) | 81.54 mph (131.23 km/h) |
| 85 mph (136.79 km/h) | 86.64 mph (139.43 km/h) |
| 90 mph (144.84 km/h) | 91.74 mph (147.64 km/h) |
| 95 mph (152.89 km/h) | 96.83 mph (155.84 km/h) |
| 100 mph (160.93 km/h) | 101.93 mph (164.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2244 | 2607 | 2807 | 2931 | 3065 | 3160 | 3265 | 3390 | 3561 | 3733 | 3924 | 4077 | 4354 | 4659 | 4898 | 5051 | 5137 | 5452 | 5891 | 6846 |
Better Fuel Economy Factory Ratios Increased Power
