Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/85-19 | 175/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.69 (652.6) | 25.2 (640.1) | -0.49 (-12.5) -1.9% |
| Width inches (mm) | 3.94 (100) | 6.89 (175) | 2.95 (75) 75% |
| Circum. inches (mm) | 80.72 (2050.2) | 79.17 (2010.93) | -1.55 (-39.27) -1.9% |
| Sidewall Height inches (mm) | 3.35 (85) | 3.1 (78.75) | -0.25 (-6.25) -7.4% |
| Revolutions per mile (km) | 784.97 (487.76) | 800.3 (497.28) | 15.33 (9.52) 2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.62 mph (31.57 km/h) |
| 25 mph (40.23 km/h) | 24.52 mph (39.46 km/h) |
| 30 mph (48.28 km/h) | 29.43 mph (47.36 km/h) |
| 35 mph (56.33 km/h) | 34.33 mph (55.25 km/h) |
| 40 mph (64.37 km/h) | 39.23 mph (63.14 km/h) |
| 45 mph (72.42 km/h) | 44.14 mph (71.03 km/h) |
| 50 mph (80.47 km/h) | 49.04 mph (78.93 km/h) |
| 55 mph (88.51 km/h) | 53.95 mph (86.82 km/h) |
| 60 mph (96.56 km/h) | 58.85 mph (94.71 km/h) |
| 65 mph (104.61 km/h) | 63.75 mph (102.6 km/h) |
| 70 mph (112.65 km/h) | 68.66 mph (110.5 km/h) |
| 75 mph (120.7 km/h) | 73.56 mph (118.39 km/h) |
| 80 mph (128.75 km/h) | 78.47 mph (126.28 km/h) |
| 85 mph (136.79 km/h) | 83.37 mph (134.17 km/h) |
| 90 mph (144.84 km/h) | 88.28 mph (142.07 km/h) |
| 95 mph (152.89 km/h) | 93.18 mph (149.96 km/h) |
| 100 mph (160.93 km/h) | 98.08 mph (157.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2037 | 2366 | 2548 | 2661 | 2782 | 2869 | 2964 | 3077 | 3233 | 3389 | 3562 | 3701 | 3952 | 4229 | 4446 | 4585 | 4663 | 4949 | 5347 | 6214 |
Better Fuel Economy Factory Ratios Increased Power
