Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 400/40-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 28.6 (726.4) | 1.44 (36.5) 5.3% |
| Width inches (mm) | 12.4 (315) | 15.75 (400) | 3.35 (85) 27% |
| Circum. inches (mm) | 85.33 (2167.38) | 89.84 (2282.05) | 4.51 (114.67) 5.3% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 6.3 (160) | 0.72 (18.25) 12.9% |
| Revolutions per mile (km) | 742.53 (461.38) | 705.22 (438.2) | -37.31 (-23.18) -5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.06 mph (33.89 km/h) |
| 25 mph (40.23 km/h) | 26.32 mph (42.36 km/h) |
| 30 mph (48.28 km/h) | 31.59 mph (50.83 km/h) |
| 35 mph (56.33 km/h) | 36.85 mph (59.31 km/h) |
| 40 mph (64.37 km/h) | 42.12 mph (67.78 km/h) |
| 45 mph (72.42 km/h) | 47.38 mph (76.25 km/h) |
| 50 mph (80.47 km/h) | 52.65 mph (84.72 km/h) |
| 55 mph (88.51 km/h) | 57.91 mph (93.2 km/h) |
| 60 mph (96.56 km/h) | 63.17 mph (101.67 km/h) |
| 65 mph (104.61 km/h) | 68.44 mph (110.14 km/h) |
| 70 mph (112.65 km/h) | 73.7 mph (118.61 km/h) |
| 75 mph (120.7 km/h) | 78.97 mph (127.09 km/h) |
| 80 mph (128.75 km/h) | 84.23 mph (135.56 km/h) |
| 85 mph (136.79 km/h) | 89.5 mph (144.03 km/h) |
| 90 mph (144.84 km/h) | 94.76 mph (152.5 km/h) |
| 95 mph (152.89 km/h) | 100.03 mph (160.98 km/h) |
| 100 mph (160.93 km/h) | 105.29 mph (169.45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1795 | 2085 | 2245 | 2344 | 2451 | 2528 | 2612 | 2711 | 2849 | 2986 | 3139 | 3261 | 3482 | 3727 | 3918 | 4040 | 4109 | 4361 | 4712 | 5476 |
Better Fuel Economy Factory Ratios Increased Power
