Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-19 | 355/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.2 (640.1) | 30.18 (766.6) | 4.98 (126.5) 19.8% |
| Width inches (mm) | 12.4 (315) | 13.98 (355) | 1.57 (40) 12.7% |
| Circum. inches (mm) | 79.17 (2010.93) | 94.82 (2408.34) | 15.65 (397.41) 19.8% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 5.59 (142) | 2.49 (63.25) 80.3% |
| Revolutions per mile (km) | 800.3 (497.28) | 668.24 (415.22) | -132.06 (-82.06) -16.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.95 mph (38.55 km/h) |
| 25 mph (40.23 km/h) | 29.94 mph (48.18 km/h) |
| 30 mph (48.28 km/h) | 35.93 mph (57.82 km/h) |
| 35 mph (56.33 km/h) | 41.92 mph (67.46 km/h) |
| 40 mph (64.37 km/h) | 47.91 mph (77.1 km/h) |
| 45 mph (72.42 km/h) | 53.89 mph (86.73 km/h) |
| 50 mph (80.47 km/h) | 59.88 mph (96.37 km/h) |
| 55 mph (88.51 km/h) | 65.87 mph (106.01 km/h) |
| 60 mph (96.56 km/h) | 71.86 mph (115.64 km/h) |
| 65 mph (104.61 km/h) | 77.85 mph (125.28 km/h) |
| 70 mph (112.65 km/h) | 83.83 mph (134.92 km/h) |
| 75 mph (120.7 km/h) | 89.82 mph (144.55 km/h) |
| 80 mph (128.75 km/h) | 95.81 mph (154.19 km/h) |
| 85 mph (136.79 km/h) | 101.8 mph (163.83 km/h) |
| 90 mph (144.84 km/h) | 107.79 mph (173.47 km/h) |
| 95 mph (152.89 km/h) | 113.77 mph (183.1 km/h) |
| 100 mph (160.93 km/h) | 119.76 mph (192.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1701 | 1976 | 2127 | 2222 | 2323 | 2395 | 2475 | 2569 | 2699 | 2829 | 2974 | 3090 | 3300 | 3531 | 3712 | 3828 | 3893 | 4132 | 4465 | 5188 |
Better Fuel Economy Factory Ratios Increased Power
