Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-18 | 130/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.61 (625.2) | 25.17 (639.2) | 0.55 (14) 2.2% |
| Width inches (mm) | 4.72 (120) | 5.12 (130) | 0.39 (10) 8.3% |
| Circum. inches (mm) | 77.33 (1964.12) | 79.06 (2008.11) | 1.73 (43.98) 2.2% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.58 (91) | 0.28 (7) 8.3% |
| Revolutions per mile (km) | 819.37 (509.13) | 801.42 (497.98) | -17.95 (-11.15) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.45 mph (32.91 km/h) |
| 25 mph (40.23 km/h) | 25.56 mph (41.13 km/h) |
| 30 mph (48.28 km/h) | 30.67 mph (49.36 km/h) |
| 35 mph (56.33 km/h) | 35.78 mph (57.59 km/h) |
| 40 mph (64.37 km/h) | 40.9 mph (65.82 km/h) |
| 45 mph (72.42 km/h) | 46.01 mph (74.04 km/h) |
| 50 mph (80.47 km/h) | 51.12 mph (82.27 km/h) |
| 55 mph (88.51 km/h) | 56.23 mph (90.5 km/h) |
| 60 mph (96.56 km/h) | 61.34 mph (98.72 km/h) |
| 65 mph (104.61 km/h) | 66.46 mph (106.95 km/h) |
| 70 mph (112.65 km/h) | 71.57 mph (115.18 km/h) |
| 75 mph (120.7 km/h) | 76.68 mph (123.4 km/h) |
| 80 mph (128.75 km/h) | 81.79 mph (131.63 km/h) |
| 85 mph (136.79 km/h) | 86.9 mph (139.86 km/h) |
| 90 mph (144.84 km/h) | 92.02 mph (148.08 km/h) |
| 95 mph (152.89 km/h) | 97.13 mph (156.31 km/h) |
| 100 mph (160.93 km/h) | 102.24 mph (164.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2039 | 2369 | 2552 | 2664 | 2786 | 2873 | 2968 | 3081 | 3237 | 3393 | 3567 | 3706 | 3957 | 4235 | 4452 | 4591 | 4669 | 4955 | 5355 | 6223 |
Better Fuel Economy Factory Ratios Increased Power
