Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 405/40-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 28.76 (730.4) | 1.59 (40.5) 5.9% |
| Width inches (mm) | 12.4 (315) | 15.94 (405) | 3.54 (90) 28.6% |
| Circum. inches (mm) | 85.33 (2167.38) | 90.34 (2294.62) | 5.01 (127.23) 5.9% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 6.38 (162) | 0.8 (20.25) 14.3% |
| Revolutions per mile (km) | 742.53 (461.38) | 701.36 (435.8) | -41.17 (-25.58) -5.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.17 mph (34.08 km/h) |
| 25 mph (40.23 km/h) | 26.47 mph (42.6 km/h) |
| 30 mph (48.28 km/h) | 31.76 mph (51.11 km/h) |
| 35 mph (56.33 km/h) | 37.05 mph (59.63 km/h) |
| 40 mph (64.37 km/h) | 42.35 mph (68.15 km/h) |
| 45 mph (72.42 km/h) | 47.64 mph (76.67 km/h) |
| 50 mph (80.47 km/h) | 52.94 mph (85.19 km/h) |
| 55 mph (88.51 km/h) | 58.23 mph (93.71 km/h) |
| 60 mph (96.56 km/h) | 63.52 mph (102.23 km/h) |
| 65 mph (104.61 km/h) | 68.82 mph (110.75 km/h) |
| 70 mph (112.65 km/h) | 74.11 mph (119.27 km/h) |
| 75 mph (120.7 km/h) | 79.4 mph (127.79 km/h) |
| 80 mph (128.75 km/h) | 84.7 mph (136.31 km/h) |
| 85 mph (136.79 km/h) | 89.99 mph (144.82 km/h) |
| 90 mph (144.84 km/h) | 95.28 mph (153.34 km/h) |
| 95 mph (152.89 km/h) | 100.58 mph (161.86 km/h) |
| 100 mph (160.93 km/h) | 105.87 mph (170.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1785 | 2073 | 2233 | 2332 | 2438 | 2514 | 2597 | 2696 | 2833 | 2970 | 3122 | 3243 | 3463 | 3706 | 3896 | 4018 | 4086 | 4337 | 4686 | 5446 |
Better Fuel Economy Factory Ratios Increased Power
