Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/80-17 | 120/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.19 (639.8) | 23.61 (599.8) | -1.57 (-40) -6.3% |
| Width inches (mm) | 5.12 (130) | 4.72 (120) | -0.39 (-10) -7.7% |
| Circum. inches (mm) | 79.13 (2009.99) | 74.19 (1884.33) | -4.95 (-125.66) -6.3% |
| Sidewall Height inches (mm) | 4.09 (104) | 3.31 (84) | -0.79 (-20) -19.2% |
| Revolutions per mile (km) | 800.67 (497.51) | 854.07 (530.69) | 53.4 (33.18) 6.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.75 mph (30.17 km/h) |
| 25 mph (40.23 km/h) | 23.44 mph (37.72 km/h) |
| 30 mph (48.28 km/h) | 28.12 mph (45.26 km/h) |
| 35 mph (56.33 km/h) | 32.81 mph (52.81 km/h) |
| 40 mph (64.37 km/h) | 37.5 mph (60.35 km/h) |
| 45 mph (72.42 km/h) | 42.19 mph (67.89 km/h) |
| 50 mph (80.47 km/h) | 46.87 mph (75.44 km/h) |
| 55 mph (88.51 km/h) | 51.56 mph (82.98 km/h) |
| 60 mph (96.56 km/h) | 56.25 mph (90.52 km/h) |
| 65 mph (104.61 km/h) | 60.94 mph (98.07 km/h) |
| 70 mph (112.65 km/h) | 65.62 mph (105.61 km/h) |
| 75 mph (120.7 km/h) | 70.31 mph (113.15 km/h) |
| 80 mph (128.75 km/h) | 75 mph (120.7 km/h) |
| 85 mph (136.79 km/h) | 79.69 mph (128.24 km/h) |
| 90 mph (144.84 km/h) | 84.37 mph (135.79 km/h) |
| 95 mph (152.89 km/h) | 89.06 mph (143.33 km/h) |
| 100 mph (160.93 km/h) | 93.75 mph (150.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2173 | 2525 | 2719 | 2839 | 2969 | 3061 | 3163 | 3283 | 3450 | 3616 | 3801 | 3949 | 4217 | 4513 | 4745 | 4893 | 4976 | 5281 | 5706 | 6631 |
Better Fuel Economy Factory Ratios Increased Power
