Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-19 | 100/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.5 (698.6) | 22.3 (566.4) | -5.2 (-132.2) -18.9% |
| Width inches (mm) | 4.72 (120) | 3.94 (100) | -0.79 (-20) -16.7% |
| Circum. inches (mm) | 86.41 (2194.72) | 70.06 (1779.4) | -16.35 (-415.32) -18.9% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.15 (80) | -1.1 (-28) -25.9% |
| Revolutions per mile (km) | 733.28 (455.64) | 904.43 (561.99) | 171.15 (106.35) 23.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.22 mph (26.1 km/h) |
| 25 mph (40.23 km/h) | 20.27 mph (32.62 km/h) |
| 30 mph (48.28 km/h) | 24.32 mph (39.14 km/h) |
| 35 mph (56.33 km/h) | 28.38 mph (45.67 km/h) |
| 40 mph (64.37 km/h) | 32.43 mph (52.19 km/h) |
| 45 mph (72.42 km/h) | 36.48 mph (58.72 km/h) |
| 50 mph (80.47 km/h) | 40.54 mph (65.24 km/h) |
| 55 mph (88.51 km/h) | 44.59 mph (71.76 km/h) |
| 60 mph (96.56 km/h) | 48.65 mph (78.29 km/h) |
| 65 mph (104.61 km/h) | 52.7 mph (84.81 km/h) |
| 70 mph (112.65 km/h) | 56.75 mph (91.34 km/h) |
| 75 mph (120.7 km/h) | 60.81 mph (97.86 km/h) |
| 80 mph (128.75 km/h) | 64.86 mph (104.38 km/h) |
| 85 mph (136.79 km/h) | 68.91 mph (110.91 km/h) |
| 90 mph (144.84 km/h) | 72.97 mph (117.43 km/h) |
| 95 mph (152.89 km/h) | 77.02 mph (123.96 km/h) |
| 100 mph (160.93 km/h) | 81.08 mph (130.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2302 | 2674 | 2879 | 3007 | 3144 | 3242 | 3350 | 3477 | 3653 | 3829 | 4025 | 4182 | 4466 | 4780 | 5024 | 5181 | 5269 | 5592 | 6043 | 7022 |
Better Fuel Economy Factory Ratios Increased Power
