Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/85-19 | 225/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.69 (652.6) | 26.97 (685.1) | 1.28 (32.5) 5% |
| Width inches (mm) | 3.94 (100) | 8.86 (225) | 4.92 (125) 125% |
| Circum. inches (mm) | 80.72 (2050.2) | 84.74 (2152.31) | 4.02 (102.1) 5% |
| Sidewall Height inches (mm) | 3.35 (85) | 3.99 (101.25) | 0.64 (16.25) 19.1% |
| Revolutions per mile (km) | 784.97 (487.76) | 747.73 (464.62) | -37.24 (-23.14) -4.7% |
225/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21 mph (33.79 km/h) |
| 25 mph (40.23 km/h) | 26.25 mph (42.24 km/h) |
| 30 mph (48.28 km/h) | 31.49 mph (50.68 km/h) |
| 35 mph (56.33 km/h) | 36.74 mph (59.13 km/h) |
| 40 mph (64.37 km/h) | 41.99 mph (67.58 km/h) |
| 45 mph (72.42 km/h) | 47.24 mph (76.03 km/h) |
| 50 mph (80.47 km/h) | 52.49 mph (84.47 km/h) |
| 55 mph (88.51 km/h) | 57.74 mph (92.92 km/h) |
| 60 mph (96.56 km/h) | 62.99 mph (101.37 km/h) |
| 65 mph (104.61 km/h) | 68.24 mph (109.82 km/h) |
| 70 mph (112.65 km/h) | 73.49 mph (118.26 km/h) |
| 75 mph (120.7 km/h) | 78.74 mph (126.71 km/h) |
| 80 mph (128.75 km/h) | 83.98 mph (135.16 km/h) |
| 85 mph (136.79 km/h) | 89.23 mph (143.61 km/h) |
| 90 mph (144.84 km/h) | 94.48 mph (152.05 km/h) |
| 95 mph (152.89 km/h) | 99.73 mph (160.5 km/h) |
| 100 mph (160.93 km/h) | 104.98 mph (168.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1903 | 2211 | 2381 | 2486 | 2599 | 2680 | 2769 | 2874 | 3020 | 3166 | 3328 | 3457 | 3692 | 3951 | 4154 | 4283 | 4356 | 4623 | 4996 | 5806 |
Better Fuel Economy Factory Ratios Increased Power
