Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/70-13 | 140/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.72 (526.2) | 21.82 (554.2) | 1.1 (28) 5.3% |
| Width inches (mm) | 5.51 (140) | 5.51 (140) | 0 (0) 0% |
| Circum. inches (mm) | 65.08 (1653.11) | 68.55 (1741.07) | 3.46 (87.96) 5.3% |
| Sidewall Height inches (mm) | 3.86 (98) | 4.41 (112) | 0.55 (14) 14.3% |
| Revolutions per mile (km) | 973.53 (604.92) | 924.34 (574.36) | -49.19 (-30.56) -5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.06 mph (33.9 km/h) |
| 25 mph (40.23 km/h) | 26.33 mph (42.37 km/h) |
| 30 mph (48.28 km/h) | 31.6 mph (50.85 km/h) |
| 35 mph (56.33 km/h) | 36.86 mph (59.32 km/h) |
| 40 mph (64.37 km/h) | 42.13 mph (67.8 km/h) |
| 45 mph (72.42 km/h) | 47.39 mph (76.27 km/h) |
| 50 mph (80.47 km/h) | 52.66 mph (84.75 km/h) |
| 55 mph (88.51 km/h) | 57.93 mph (93.22 km/h) |
| 60 mph (96.56 km/h) | 63.19 mph (101.7 km/h) |
| 65 mph (104.61 km/h) | 68.46 mph (110.17 km/h) |
| 70 mph (112.65 km/h) | 73.72 mph (118.65 km/h) |
| 75 mph (120.7 km/h) | 78.99 mph (127.12 km/h) |
| 80 mph (128.75 km/h) | 84.26 mph (135.6 km/h) |
| 85 mph (136.79 km/h) | 89.52 mph (144.07 km/h) |
| 90 mph (144.84 km/h) | 94.79 mph (152.55 km/h) |
| 95 mph (152.89 km/h) | 100.06 mph (161.02 km/h) |
| 100 mph (160.93 km/h) | 105.32 mph (169.5 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
