Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/90-19 | 120/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.09 (662.6) | 27.5 (698.6) | 1.42 (36) 5.4% |
| Width inches (mm) | 3.94 (100) | 4.72 (120) | 0.79 (20) 20% |
| Circum. inches (mm) | 81.95 (2081.62) | 86.41 (2194.72) | 4.45 (113.1) 5.4% |
| Sidewall Height inches (mm) | 3.54 (90) | 4.25 (108) | 0.71 (18) 20% |
| Revolutions per mile (km) | 773.12 (480.39) | 733.28 (455.64) | -39.84 (-24.76) -5.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.09 mph (33.94 km/h) |
| 25 mph (40.23 km/h) | 26.36 mph (42.42 km/h) |
| 30 mph (48.28 km/h) | 31.63 mph (50.9 km/h) |
| 35 mph (56.33 km/h) | 36.9 mph (59.39 km/h) |
| 40 mph (64.37 km/h) | 42.17 mph (67.87 km/h) |
| 45 mph (72.42 km/h) | 47.44 mph (76.36 km/h) |
| 50 mph (80.47 km/h) | 52.72 mph (84.84 km/h) |
| 55 mph (88.51 km/h) | 57.99 mph (93.32 km/h) |
| 60 mph (96.56 km/h) | 63.26 mph (101.81 km/h) |
| 65 mph (104.61 km/h) | 68.53 mph (110.29 km/h) |
| 70 mph (112.65 km/h) | 73.8 mph (118.77 km/h) |
| 75 mph (120.7 km/h) | 79.07 mph (127.26 km/h) |
| 80 mph (128.75 km/h) | 84.35 mph (135.74 km/h) |
| 85 mph (136.79 km/h) | 89.62 mph (144.23 km/h) |
| 90 mph (144.84 km/h) | 94.89 mph (152.71 km/h) |
| 95 mph (152.89 km/h) | 100.16 mph (161.19 km/h) |
| 100 mph (160.93 km/h) | 105.43 mph (169.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1866 | 2168 | 2335 | 2438 | 2549 | 2628 | 2716 | 2819 | 2962 | 3105 | 3264 | 3391 | 3621 | 3875 | 4074 | 4201 | 4272 | 4534 | 4899 | 5693 |
Better Fuel Economy Factory Ratios Increased Power
