Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-19 | 110/100-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.5 (698.6) | 26.66 (677.2) | -0.84 (-21.4) -3.1% |
| Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
| Circum. inches (mm) | 86.41 (2194.72) | 83.76 (2127.49) | -2.65 (-67.23) -3.1% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.33 (110) | 0.08 (2) 1.9% |
| Revolutions per mile (km) | 733.28 (455.64) | 756.45 (470.04) | 23.17 (14.4) 3.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.2 km/h) |
| 25 mph (40.23 km/h) | 24.23 mph (39 km/h) |
| 30 mph (48.28 km/h) | 29.08 mph (46.8 km/h) |
| 35 mph (56.33 km/h) | 33.93 mph (54.6 km/h) |
| 40 mph (64.37 km/h) | 38.77 mph (62.4 km/h) |
| 45 mph (72.42 km/h) | 43.62 mph (70.2 km/h) |
| 50 mph (80.47 km/h) | 48.47 mph (78 km/h) |
| 55 mph (88.51 km/h) | 53.32 mph (85.8 km/h) |
| 60 mph (96.56 km/h) | 58.16 mph (93.6 km/h) |
| 65 mph (104.61 km/h) | 63.01 mph (101.4 km/h) |
| 70 mph (112.65 km/h) | 67.86 mph (109.2 km/h) |
| 75 mph (120.7 km/h) | 72.7 mph (117 km/h) |
| 80 mph (128.75 km/h) | 77.55 mph (124.8 km/h) |
| 85 mph (136.79 km/h) | 82.4 mph (132.6 km/h) |
| 90 mph (144.84 km/h) | 87.24 mph (140.4 km/h) |
| 95 mph (152.89 km/h) | 92.09 mph (148.2 km/h) |
| 100 mph (160.93 km/h) | 96.94 mph (156 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1925 | 2236 | 2408 | 2515 | 2630 | 2711 | 2802 | 2908 | 3055 | 3203 | 3367 | 3498 | 3735 | 3998 | 4202 | 4333 | 4407 | 4677 | 5054 | 5873 |
Better Fuel Economy Factory Ratios Increased Power
