Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/75-16 | 305/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.6 (878.9) | 34.01 (863.9) | -0.59 (-15) -1.7% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 108.71 (2761.15) | 106.85 (2714.02) | -1.86 (-47.12) -1.7% |
| Sidewall Height inches (mm) | 9.3 (236.25) | 9.01 (228.75) | -0.3 (-7.5) -3.2% |
| Revolutions per mile (km) | 582.85 (362.17) | 592.97 (368.46) | 10.12 (6.29) 1.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.66 mph (31.64 km/h) |
| 25 mph (40.23 km/h) | 24.57 mph (39.55 km/h) |
| 30 mph (48.28 km/h) | 29.49 mph (47.46 km/h) |
| 35 mph (56.33 km/h) | 34.4 mph (55.37 km/h) |
| 40 mph (64.37 km/h) | 39.32 mph (63.28 km/h) |
| 45 mph (72.42 km/h) | 44.23 mph (71.18 km/h) |
| 50 mph (80.47 km/h) | 49.15 mph (79.09 km/h) |
| 55 mph (88.51 km/h) | 54.06 mph (87 km/h) |
| 60 mph (96.56 km/h) | 58.98 mph (94.91 km/h) |
| 65 mph (104.61 km/h) | 63.89 mph (102.82 km/h) |
| 70 mph (112.65 km/h) | 68.81 mph (110.73 km/h) |
| 75 mph (120.7 km/h) | 73.72 mph (118.64 km/h) |
| 80 mph (128.75 km/h) | 78.63 mph (126.55 km/h) |
| 85 mph (136.79 km/h) | 83.55 mph (134.46 km/h) |
| 90 mph (144.84 km/h) | 88.46 mph (142.37 km/h) |
| 95 mph (152.89 km/h) | 93.38 mph (150.28 km/h) |
| 100 mph (160.93 km/h) | 98.29 mph (158.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1509 | 1753 | 1888 | 1971 | 2061 | 2125 | 2196 | 2280 | 2395 | 2511 | 2639 | 2742 | 2928 | 3134 | 3294 | 3397 | 3455 | 3667 | 3962 | 4604 |
Better Fuel Economy Factory Ratios Increased Power
