Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/100-18 | 110/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.45 (697.2) | 26.8 (680.6) | -0.65 (-16.6) -2.4% |
| Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
| Circum. inches (mm) | 86.23 (2190.32) | 84.18 (2138.17) | -2.05 (-52.15) -2.4% |
| Sidewall Height inches (mm) | 4.72 (120) | 3.9 (99) | -0.83 (-21) -17.5% |
| Revolutions per mile (km) | 734.75 (456.55) | 752.67 (467.69) | 17.92 (11.14) 2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.52 mph (31.42 km/h) |
| 25 mph (40.23 km/h) | 24.4 mph (39.28 km/h) |
| 30 mph (48.28 km/h) | 29.29 mph (47.13 km/h) |
| 35 mph (56.33 km/h) | 34.17 mph (54.99 km/h) |
| 40 mph (64.37 km/h) | 39.05 mph (62.84 km/h) |
| 45 mph (72.42 km/h) | 43.93 mph (70.7 km/h) |
| 50 mph (80.47 km/h) | 48.81 mph (78.55 km/h) |
| 55 mph (88.51 km/h) | 53.69 mph (86.41 km/h) |
| 60 mph (96.56 km/h) | 58.57 mph (94.26 km/h) |
| 65 mph (104.61 km/h) | 63.45 mph (102.12 km/h) |
| 70 mph (112.65 km/h) | 68.33 mph (109.97 km/h) |
| 75 mph (120.7 km/h) | 73.21 mph (117.83 km/h) |
| 80 mph (128.75 km/h) | 78.1 mph (125.68 km/h) |
| 85 mph (136.79 km/h) | 82.98 mph (133.54 km/h) |
| 90 mph (144.84 km/h) | 87.86 mph (141.39 km/h) |
| 95 mph (152.89 km/h) | 92.74 mph (149.25 km/h) |
| 100 mph (160.93 km/h) | 97.62 mph (157.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1915 | 2225 | 2396 | 2502 | 2616 | 2698 | 2788 | 2893 | 3040 | 3187 | 3350 | 3480 | 3717 | 3978 | 4181 | 4312 | 4385 | 4654 | 5029 | 5844 |
Better Fuel Economy Factory Ratios Increased Power
