Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-19.5 | 225/75-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.97 (862.8) | 32.79 (832.8) | -1.18 (-30) -3.5% |
| Width inches (mm) | 9.65 (245) | 8.86 (225) | -0.79 (-20) -8.2% |
| Circum. inches (mm) | 106.72 (2710.57) | 103 (2616.32) | -3.71 (-94.25) -3.5% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 6.64 (168.75) | -0.59 (-15) -8.2% |
| Revolutions per mile (km) | 593.73 (368.93) | 615.12 (382.22) | 21.39 (13.29) 3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.3 mph (31.07 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.83 km/h) |
| 30 mph (48.28 km/h) | 28.96 mph (46.6 km/h) |
| 35 mph (56.33 km/h) | 33.78 mph (54.37 km/h) |
| 40 mph (64.37 km/h) | 38.61 mph (62.14 km/h) |
| 45 mph (72.42 km/h) | 43.44 mph (69.9 km/h) |
| 50 mph (80.47 km/h) | 48.26 mph (77.67 km/h) |
| 55 mph (88.51 km/h) | 53.09 mph (85.44 km/h) |
| 60 mph (96.56 km/h) | 57.91 mph (93.2 km/h) |
| 65 mph (104.61 km/h) | 62.74 mph (100.97 km/h) |
| 70 mph (112.65 km/h) | 67.57 mph (108.74 km/h) |
| 75 mph (120.7 km/h) | 72.39 mph (116.5 km/h) |
| 80 mph (128.75 km/h) | 77.22 mph (124.27 km/h) |
| 85 mph (136.79 km/h) | 82.04 mph (132.04 km/h) |
| 90 mph (144.84 km/h) | 86.87 mph (139.81 km/h) |
| 95 mph (152.89 km/h) | 91.7 mph (147.57 km/h) |
| 100 mph (160.93 km/h) | 96.52 mph (155.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1565 | 1818 | 1958 | 2045 | 2138 | 2205 | 2278 | 2365 | 2485 | 2604 | 2738 | 2844 | 3037 | 3251 | 3417 | 3524 | 3584 | 3803 | 4110 | 4776 |
Better Fuel Economy Factory Ratios Increased Power
