Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 305/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 26.81 (680.9) | -0.35 (-9) -1.3% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 85.33 (2167.38) | 84.22 (2139.11) | -1.11 (-28.27) -1.3% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 5.4 (137.25) | -0.18 (-4.5) -3.2% |
| Revolutions per mile (km) | 742.53 (461.38) | 752.34 (467.48) | 9.81 (6.1) 1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.74 mph (31.77 km/h) |
| 25 mph (40.23 km/h) | 24.67 mph (39.71 km/h) |
| 30 mph (48.28 km/h) | 29.61 mph (47.65 km/h) |
| 35 mph (56.33 km/h) | 34.54 mph (55.59 km/h) |
| 40 mph (64.37 km/h) | 39.48 mph (63.53 km/h) |
| 45 mph (72.42 km/h) | 44.41 mph (71.48 km/h) |
| 50 mph (80.47 km/h) | 49.35 mph (79.42 km/h) |
| 55 mph (88.51 km/h) | 54.28 mph (87.36 km/h) |
| 60 mph (96.56 km/h) | 59.22 mph (95.3 km/h) |
| 65 mph (104.61 km/h) | 64.15 mph (103.24 km/h) |
| 70 mph (112.65 km/h) | 69.09 mph (111.18 km/h) |
| 75 mph (120.7 km/h) | 74.02 mph (119.13 km/h) |
| 80 mph (128.75 km/h) | 78.96 mph (127.07 km/h) |
| 85 mph (136.79 km/h) | 83.89 mph (135.01 km/h) |
| 90 mph (144.84 km/h) | 88.83 mph (142.95 km/h) |
| 95 mph (152.89 km/h) | 93.76 mph (150.89 km/h) |
| 100 mph (160.93 km/h) | 98.7 mph (158.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1915 | 2224 | 2395 | 2501 | 2615 | 2697 | 2786 | 2892 | 3039 | 3186 | 3348 | 3479 | 3715 | 3976 | 4179 | 4310 | 4383 | 4652 | 5027 | 5841 |
Better Fuel Economy Factory Ratios Increased Power
