Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-12 | 130/75-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.56 (496.8) | 19.68 (499.8) | 0.12 (3) 0.6% |
| Width inches (mm) | 4.72 (120) | 5.12 (130) | 0.39 (10) 8.3% |
| Circum. inches (mm) | 61.45 (1560.74) | 61.82 (1570.17) | 0.37 (9.42) 0.6% |
| Sidewall Height inches (mm) | 3.78 (96) | 3.84 (97.5) | 0.06 (1.5) 1.6% |
| Revolutions per mile (km) | 1031.14 (640.72) | 1024.95 (636.87) | -6.19 (-3.85) -0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.12 mph (32.38 km/h) |
| 25 mph (40.23 km/h) | 25.15 mph (40.48 km/h) |
| 30 mph (48.28 km/h) | 30.18 mph (48.57 km/h) |
| 35 mph (56.33 km/h) | 35.21 mph (56.67 km/h) |
| 40 mph (64.37 km/h) | 40.24 mph (64.76 km/h) |
| 45 mph (72.42 km/h) | 45.27 mph (72.86 km/h) |
| 50 mph (80.47 km/h) | 50.3 mph (80.95 km/h) |
| 55 mph (88.51 km/h) | 55.33 mph (89.05 km/h) |
| 60 mph (96.56 km/h) | 60.36 mph (97.14 km/h) |
| 65 mph (104.61 km/h) | 65.39 mph (105.24 km/h) |
| 70 mph (112.65 km/h) | 70.42 mph (113.33 km/h) |
| 75 mph (120.7 km/h) | 75.45 mph (121.43 km/h) |
| 80 mph (128.75 km/h) | 80.48 mph (129.53 km/h) |
| 85 mph (136.79 km/h) | 85.51 mph (137.62 km/h) |
| 90 mph (144.84 km/h) | 90.54 mph (145.72 km/h) |
| 95 mph (152.89 km/h) | 95.57 mph (153.81 km/h) |
| 100 mph (160.93 km/h) | 100.6 mph (161.91 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
