Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-12 | 130/60-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.61 (472.8) | 18.14 (460.8) | -0.47 (-12) -2.5% |
| Width inches (mm) | 4.72 (120) | 5.12 (130) | 0.39 (10) 8.3% |
| Circum. inches (mm) | 58.48 (1485.35) | 56.99 (1447.65) | -1.48 (-37.7) -2.5% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.07 (78) | -0.24 (-6) -7.1% |
| Revolutions per mile (km) | 1083.48 (673.24) | 1111.7 (690.78) | 28.22 (17.53) 2.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.49 mph (31.37 km/h) |
| 25 mph (40.23 km/h) | 24.37 mph (39.21 km/h) |
| 30 mph (48.28 km/h) | 29.24 mph (47.06 km/h) |
| 35 mph (56.33 km/h) | 34.11 mph (54.9 km/h) |
| 40 mph (64.37 km/h) | 38.98 mph (62.74 km/h) |
| 45 mph (72.42 km/h) | 43.86 mph (70.58 km/h) |
| 50 mph (80.47 km/h) | 48.73 mph (78.43 km/h) |
| 55 mph (88.51 km/h) | 53.6 mph (86.27 km/h) |
| 60 mph (96.56 km/h) | 58.48 mph (94.11 km/h) |
| 65 mph (104.61 km/h) | 63.35 mph (101.95 km/h) |
| 70 mph (112.65 km/h) | 68.22 mph (109.8 km/h) |
| 75 mph (120.7 km/h) | 73.1 mph (117.64 km/h) |
| 80 mph (128.75 km/h) | 77.97 mph (125.48 km/h) |
| 85 mph (136.79 km/h) | 82.84 mph (133.32 km/h) |
| 90 mph (144.84 km/h) | 87.72 mph (141.17 km/h) |
| 95 mph (152.89 km/h) | 92.59 mph (149.01 km/h) |
| 100 mph (160.93 km/h) | 97.46 mph (156.85 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
