Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-19 | 315/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.92 (734.6) | 27.68 (703.1) | -1.24 (-31.5) -4.3% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 90.86 (2307.81) | 86.96 (2208.85) | -3.9 (-98.96) -4.3% |
| Sidewall Height inches (mm) | 4.96 (126) | 4.34 (110.25) | -0.62 (-15.75) -12.5% |
| Revolutions per mile (km) | 697.35 (433.31) | 728.59 (452.72) | 31.24 (19.41) 4.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.14 mph (30.81 km/h) |
| 25 mph (40.23 km/h) | 23.93 mph (38.51 km/h) |
| 30 mph (48.28 km/h) | 28.71 mph (46.21 km/h) |
| 35 mph (56.33 km/h) | 33.5 mph (53.91 km/h) |
| 40 mph (64.37 km/h) | 38.28 mph (61.61 km/h) |
| 45 mph (72.42 km/h) | 43.07 mph (69.32 km/h) |
| 50 mph (80.47 km/h) | 47.86 mph (77.02 km/h) |
| 55 mph (88.51 km/h) | 52.64 mph (84.72 km/h) |
| 60 mph (96.56 km/h) | 57.43 mph (92.42 km/h) |
| 65 mph (104.61 km/h) | 62.21 mph (100.12 km/h) |
| 70 mph (112.65 km/h) | 67 mph (107.82 km/h) |
| 75 mph (120.7 km/h) | 71.78 mph (115.53 km/h) |
| 80 mph (128.75 km/h) | 76.57 mph (123.23 km/h) |
| 85 mph (136.79 km/h) | 81.36 mph (130.93 km/h) |
| 90 mph (144.84 km/h) | 86.14 mph (138.63 km/h) |
| 95 mph (152.89 km/h) | 90.93 mph (146.33 km/h) |
| 100 mph (160.93 km/h) | 95.71 mph (154.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1854 | 2154 | 2320 | 2422 | 2533 | 2612 | 2698 | 2801 | 2943 | 3085 | 3243 | 3369 | 3598 | 3850 | 4047 | 4174 | 4245 | 4505 | 4868 | 5657 |
Better Fuel Economy Factory Ratios Increased Power
