Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/80-10 | 120/90-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 16.3 (414) | 18.5 (470) | 2.2 (56) 13.5% |
| Width inches (mm) | 3.94 (100) | 4.72 (120) | 0.79 (20) 20% |
| Circum. inches (mm) | 51.21 (1300.62) | 58.13 (1476.55) | 6.93 (175.93) 13.5% |
| Sidewall Height inches (mm) | 3.15 (80) | 4.25 (108) | 1.1 (28) 35% |
| Revolutions per mile (km) | 1237.37 (768.86) | 1089.94 (677.25) | -147.43 (-91.61) -11.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.71 mph (36.54 km/h) |
| 25 mph (40.23 km/h) | 28.38 mph (45.68 km/h) |
| 30 mph (48.28 km/h) | 34.06 mph (54.81 km/h) |
| 35 mph (56.33 km/h) | 39.73 mph (63.95 km/h) |
| 40 mph (64.37 km/h) | 45.41 mph (73.08 km/h) |
| 45 mph (72.42 km/h) | 51.09 mph (82.22 km/h) |
| 50 mph (80.47 km/h) | 56.76 mph (91.35 km/h) |
| 55 mph (88.51 km/h) | 62.44 mph (100.49 km/h) |
| 60 mph (96.56 km/h) | 68.12 mph (109.62 km/h) |
| 65 mph (104.61 km/h) | 73.79 mph (118.76 km/h) |
| 70 mph (112.65 km/h) | 79.47 mph (127.89 km/h) |
| 75 mph (120.7 km/h) | 85.14 mph (137.03 km/h) |
| 80 mph (128.75 km/h) | 90.82 mph (146.16 km/h) |
| 85 mph (136.79 km/h) | 96.5 mph (155.3 km/h) |
| 90 mph (144.84 km/h) | 102.17 mph (164.43 km/h) |
| 95 mph (152.89 km/h) | 107.85 mph (173.57 km/h) |
| 100 mph (160.93 km/h) | 113.53 mph (182.7 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
