Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-14 | 140/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.34 (516.6) | 20.72 (526.2) | 0.38 (9.6) 1.9% |
| Width inches (mm) | 4.53 (115) | 5.51 (140) | 0.98 (25) 21.7% |
| Circum. inches (mm) | 63.9 (1622.95) | 65.08 (1653.11) | 1.19 (30.16) 1.9% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 3.86 (98) | 0.69 (17.5) 21.7% |
| Revolutions per mile (km) | 991.62 (616.16) | 973.53 (604.92) | -18.09 (-11.24) -1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.37 mph (32.79 km/h) |
| 25 mph (40.23 km/h) | 25.46 mph (40.98 km/h) |
| 30 mph (48.28 km/h) | 30.56 mph (49.18 km/h) |
| 35 mph (56.33 km/h) | 35.65 mph (57.37 km/h) |
| 40 mph (64.37 km/h) | 40.74 mph (65.57 km/h) |
| 45 mph (72.42 km/h) | 45.84 mph (73.77 km/h) |
| 50 mph (80.47 km/h) | 50.93 mph (81.96 km/h) |
| 55 mph (88.51 km/h) | 56.02 mph (90.16 km/h) |
| 60 mph (96.56 km/h) | 61.11 mph (98.36 km/h) |
| 65 mph (104.61 km/h) | 66.21 mph (106.55 km/h) |
| 70 mph (112.65 km/h) | 71.3 mph (114.75 km/h) |
| 75 mph (120.7 km/h) | 76.39 mph (122.94 km/h) |
| 80 mph (128.75 km/h) | 81.49 mph (131.14 km/h) |
| 85 mph (136.79 km/h) | 86.58 mph (139.34 km/h) |
| 90 mph (144.84 km/h) | 91.67 mph (147.53 km/h) |
| 95 mph (152.89 km/h) | 96.77 mph (155.73 km/h) |
| 100 mph (160.93 km/h) | 101.86 mph (163.93 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
