Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 110/90-18 | 100/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.8 (655.2) | 26.09 (662.6) | 0.29 (7.4) 1.1% |
| Width inches (mm) | 4.33 (110) | 3.94 (100) | -0.39 (-10) -9.1% |
| Circum. inches (mm) | 81.04 (2058.37) | 81.95 (2081.62) | 0.92 (23.25) 1.1% |
| Sidewall Height inches (mm) | 3.9 (99) | 3.54 (90) | -0.35 (-9) -9.1% |
| Revolutions per mile (km) | 781.85 (485.82) | 773.12 (480.39) | -8.73 (-5.43) -1.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.23 mph (32.55 km/h) |
| 25 mph (40.23 km/h) | 25.28 mph (40.69 km/h) |
| 30 mph (48.28 km/h) | 30.34 mph (48.83 km/h) |
| 35 mph (56.33 km/h) | 35.4 mph (56.96 km/h) |
| 40 mph (64.37 km/h) | 40.45 mph (65.1 km/h) |
| 45 mph (72.42 km/h) | 45.51 mph (73.24 km/h) |
| 50 mph (80.47 km/h) | 50.56 mph (81.38 km/h) |
| 55 mph (88.51 km/h) | 55.62 mph (89.51 km/h) |
| 60 mph (96.56 km/h) | 60.68 mph (97.65 km/h) |
| 65 mph (104.61 km/h) | 65.73 mph (105.79 km/h) |
| 70 mph (112.65 km/h) | 70.79 mph (113.93 km/h) |
| 75 mph (120.7 km/h) | 75.85 mph (122.06 km/h) |
| 80 mph (128.75 km/h) | 80.9 mph (130.2 km/h) |
| 85 mph (136.79 km/h) | 85.96 mph (138.34 km/h) |
| 90 mph (144.84 km/h) | 91.02 mph (146.48 km/h) |
| 95 mph (152.89 km/h) | 96.07 mph (154.61 km/h) |
| 100 mph (160.93 km/h) | 101.13 mph (162.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1967 | 2286 | 2461 | 2570 | 2687 | 2771 | 2863 | 2972 | 3123 | 3273 | 3441 | 3575 | 3818 | 4086 | 4295 | 4429 | 4504 | 4780 | 5166 | 6003 |
Better Fuel Economy Factory Ratios Increased Power
