Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/70-13 | 120/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.17 (512.2) | 21.56 (547.6) | 1.39 (35.4) 6.9% |
| Width inches (mm) | 5.12 (130) | 4.72 (120) | -0.39 (-10) -7.7% |
| Circum. inches (mm) | 63.35 (1609.12) | 67.73 (1720.34) | 4.38 (111.21) 6.9% |
| Sidewall Height inches (mm) | 3.58 (91) | 3.78 (96) | 0.2 (5) 5.5% |
| Revolutions per mile (km) | 1000.14 (621.46) | 935.48 (581.28) | -64.65 (-40.17) -6.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.38 mph (34.41 km/h) |
| 25 mph (40.23 km/h) | 26.73 mph (43.01 km/h) |
| 30 mph (48.28 km/h) | 32.07 mph (51.62 km/h) |
| 35 mph (56.33 km/h) | 37.42 mph (60.22 km/h) |
| 40 mph (64.37 km/h) | 42.76 mph (68.82 km/h) |
| 45 mph (72.42 km/h) | 48.11 mph (77.43 km/h) |
| 50 mph (80.47 km/h) | 53.46 mph (86.03 km/h) |
| 55 mph (88.51 km/h) | 58.8 mph (94.63 km/h) |
| 60 mph (96.56 km/h) | 64.15 mph (103.23 km/h) |
| 65 mph (104.61 km/h) | 69.49 mph (111.84 km/h) |
| 70 mph (112.65 km/h) | 74.84 mph (120.44 km/h) |
| 75 mph (120.7 km/h) | 80.18 mph (129.04 km/h) |
| 80 mph (128.75 km/h) | 85.53 mph (137.65 km/h) |
| 85 mph (136.79 km/h) | 90.87 mph (146.25 km/h) |
| 90 mph (144.84 km/h) | 96.22 mph (154.85 km/h) |
| 95 mph (152.89 km/h) | 101.57 mph (163.45 km/h) |
| 100 mph (160.93 km/h) | 106.91 mph (172.06 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
