Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 70/90-19 | 100/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.96 (608.6) | 26.09 (662.6) | 2.13 (54) 8.9% |
| Width inches (mm) | 2.76 (70) | 3.94 (100) | 1.18 (30) 42.9% |
| Circum. inches (mm) | 75.27 (1911.97) | 81.95 (2081.62) | 6.68 (169.65) 8.9% |
| Sidewall Height inches (mm) | 2.48 (63) | 3.54 (90) | 1.06 (27) 42.9% |
| Revolutions per mile (km) | 841.72 (523.02) | 773.12 (480.39) | -68.6 (-42.62) -8.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.77 mph (35.04 km/h) |
| 25 mph (40.23 km/h) | 27.22 mph (43.8 km/h) |
| 30 mph (48.28 km/h) | 32.66 mph (52.56 km/h) |
| 35 mph (56.33 km/h) | 38.11 mph (61.32 km/h) |
| 40 mph (64.37 km/h) | 43.55 mph (70.09 km/h) |
| 45 mph (72.42 km/h) | 48.99 mph (78.85 km/h) |
| 50 mph (80.47 km/h) | 54.44 mph (87.61 km/h) |
| 55 mph (88.51 km/h) | 59.88 mph (96.37 km/h) |
| 60 mph (96.56 km/h) | 65.32 mph (105.13 km/h) |
| 65 mph (104.61 km/h) | 70.77 mph (113.89 km/h) |
| 70 mph (112.65 km/h) | 76.21 mph (122.65 km/h) |
| 75 mph (120.7 km/h) | 81.65 mph (131.41 km/h) |
| 80 mph (128.75 km/h) | 87.1 mph (140.17 km/h) |
| 85 mph (136.79 km/h) | 92.54 mph (148.93 km/h) |
| 90 mph (144.84 km/h) | 97.99 mph (157.69 km/h) |
| 95 mph (152.89 km/h) | 103.43 mph (166.45 km/h) |
| 100 mph (160.93 km/h) | 108.87 mph (175.21 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
