Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/80-15 | 130/20-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.19 (589) | 17.05 (433) | -6.14 (-156) -26.5% |
| Width inches (mm) | 5.12 (130) | 5.12 (130) | 0 (0) 0% |
| Circum. inches (mm) | 72.85 (1850.4) | 53.56 (1360.31) | -19.29 (-490.09) -26.5% |
| Sidewall Height inches (mm) | 4.09 (104) | 1.02 (26) | -3.07 (-78) -75% |
| Revolutions per mile (km) | 869.73 (540.42) | 1183.07 (735.13) | 313.34 (194.7) 36% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.7 mph (23.66 km/h) |
| 25 mph (40.23 km/h) | 18.38 mph (29.58 km/h) |
| 30 mph (48.28 km/h) | 22.05 mph (35.49 km/h) |
| 35 mph (56.33 km/h) | 25.73 mph (41.41 km/h) |
| 40 mph (64.37 km/h) | 29.41 mph (47.32 km/h) |
| 45 mph (72.42 km/h) | 33.08 mph (53.24 km/h) |
| 50 mph (80.47 km/h) | 36.76 mph (59.16 km/h) |
| 55 mph (88.51 km/h) | 40.43 mph (65.07 km/h) |
| 60 mph (96.56 km/h) | 44.11 mph (70.99 km/h) |
| 65 mph (104.61 km/h) | 47.78 mph (76.9 km/h) |
| 70 mph (112.65 km/h) | 51.46 mph (82.82 km/h) |
| 75 mph (120.7 km/h) | 55.14 mph (88.73 km/h) |
| 80 mph (128.75 km/h) | 58.81 mph (94.65 km/h) |
| 85 mph (136.79 km/h) | 62.49 mph (100.56 km/h) |
| 90 mph (144.84 km/h) | 66.16 mph (106.48 km/h) |
| 95 mph (152.89 km/h) | 69.84 mph (112.39 km/h) |
| 100 mph (160.93 km/h) | 73.51 mph (118.31 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
