Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-19 | 335/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.2 (640.1) | 27.55 (699.8) | 2.35 (59.7) 9.3% |
| Width inches (mm) | 12.4 (315) | 13.19 (335) | 0.79 (20) 6.3% |
| Circum. inches (mm) | 79.17 (2010.93) | 86.55 (2198.49) | 7.38 (187.55) 9.3% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 5.28 (134) | 2.18 (55.25) 70.2% |
| Revolutions per mile (km) | 800.3 (497.28) | 732.02 (454.86) | -68.27 (-42.42) -8.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.87 mph (35.19 km/h) |
| 25 mph (40.23 km/h) | 27.33 mph (43.99 km/h) |
| 30 mph (48.28 km/h) | 32.8 mph (52.78 km/h) |
| 35 mph (56.33 km/h) | 38.26 mph (61.58 km/h) |
| 40 mph (64.37 km/h) | 43.73 mph (70.38 km/h) |
| 45 mph (72.42 km/h) | 49.2 mph (79.18 km/h) |
| 50 mph (80.47 km/h) | 54.66 mph (87.97 km/h) |
| 55 mph (88.51 km/h) | 60.13 mph (96.77 km/h) |
| 60 mph (96.56 km/h) | 65.6 mph (105.57 km/h) |
| 65 mph (104.61 km/h) | 71.06 mph (114.36 km/h) |
| 70 mph (112.65 km/h) | 76.53 mph (123.16 km/h) |
| 75 mph (120.7 km/h) | 82 mph (131.96 km/h) |
| 80 mph (128.75 km/h) | 87.46 mph (140.76 km/h) |
| 85 mph (136.79 km/h) | 92.93 mph (149.55 km/h) |
| 90 mph (144.84 km/h) | 98.39 mph (158.35 km/h) |
| 95 mph (152.89 km/h) | 103.86 mph (167.15 km/h) |
| 100 mph (160.93 km/h) | 109.33 mph (175.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1863 | 2164 | 2331 | 2434 | 2545 | 2624 | 2711 | 2814 | 2957 | 3099 | 3258 | 3385 | 3615 | 3868 | 4067 | 4193 | 4265 | 4526 | 4891 | 5684 |
Better Fuel Economy Factory Ratios Increased Power
