Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/70-18 | 130/55-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.17 (639.2) | 23.63 (600.2) | -1.54 (-39) -6.1% |
| Width inches (mm) | 5.12 (130) | 5.12 (130) | 0 (0) 0% |
| Circum. inches (mm) | 79.06 (2008.11) | 74.24 (1885.58) | -4.82 (-122.52) -6.1% |
| Sidewall Height inches (mm) | 3.58 (91) | 2.81 (71.5) | -0.77 (-19.5) -21.4% |
| Revolutions per mile (km) | 801.42 (497.98) | 853.5 (530.34) | 52.08 (32.36) 6.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.78 mph (30.22 km/h) |
| 25 mph (40.23 km/h) | 23.47 mph (37.78 km/h) |
| 30 mph (48.28 km/h) | 28.17 mph (45.33 km/h) |
| 35 mph (56.33 km/h) | 32.86 mph (52.89 km/h) |
| 40 mph (64.37 km/h) | 37.56 mph (60.45 km/h) |
| 45 mph (72.42 km/h) | 42.25 mph (68 km/h) |
| 50 mph (80.47 km/h) | 46.95 mph (75.56 km/h) |
| 55 mph (88.51 km/h) | 51.64 mph (83.11 km/h) |
| 60 mph (96.56 km/h) | 56.34 mph (90.67 km/h) |
| 65 mph (104.61 km/h) | 61.03 mph (98.23 km/h) |
| 70 mph (112.65 km/h) | 65.73 mph (105.78 km/h) |
| 75 mph (120.7 km/h) | 70.42 mph (113.34 km/h) |
| 80 mph (128.75 km/h) | 75.12 mph (120.89 km/h) |
| 85 mph (136.79 km/h) | 79.81 mph (128.45 km/h) |
| 90 mph (144.84 km/h) | 84.51 mph (136 km/h) |
| 95 mph (152.89 km/h) | 89.2 mph (143.56 km/h) |
| 100 mph (160.93 km/h) | 93.9 mph (151.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2172 | 2523 | 2717 | 2837 | 2967 | 3059 | 3161 | 3281 | 3447 | 3614 | 3799 | 3947 | 4215 | 4510 | 4741 | 4889 | 4972 | 5277 | 5703 | 6627 |
Better Fuel Economy Factory Ratios Increased Power
