Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/75-16 | 315/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.01 (863.9) | 33.36 (847.4) | -0.65 (-16.5) -1.9% |
| Width inches (mm) | 12.01 (305) | 12.4 (315) | 0.39 (10) 3.3% |
| Circum. inches (mm) | 106.85 (2714.02) | 104.81 (2662.19) | -2.04 (-51.84) -1.9% |
| Sidewall Height inches (mm) | 9.01 (228.75) | 8.68 (220.5) | -0.32 (-8.25) -3.6% |
| Revolutions per mile (km) | 592.97 (368.46) | 604.52 (375.63) | 11.55 (7.17) 1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.62 mph (31.57 km/h) |
| 25 mph (40.23 km/h) | 24.52 mph (39.47 km/h) |
| 30 mph (48.28 km/h) | 29.43 mph (47.36 km/h) |
| 35 mph (56.33 km/h) | 34.33 mph (55.25 km/h) |
| 40 mph (64.37 km/h) | 39.24 mph (63.14 km/h) |
| 45 mph (72.42 km/h) | 44.14 mph (71.04 km/h) |
| 50 mph (80.47 km/h) | 49.05 mph (78.93 km/h) |
| 55 mph (88.51 km/h) | 53.95 mph (86.82 km/h) |
| 60 mph (96.56 km/h) | 58.85 mph (94.72 km/h) |
| 65 mph (104.61 km/h) | 63.76 mph (102.61 km/h) |
| 70 mph (112.65 km/h) | 68.66 mph (110.5 km/h) |
| 75 mph (120.7 km/h) | 73.57 mph (118.4 km/h) |
| 80 mph (128.75 km/h) | 78.47 mph (126.29 km/h) |
| 85 mph (136.79 km/h) | 83.38 mph (134.18 km/h) |
| 90 mph (144.84 km/h) | 88.28 mph (142.07 km/h) |
| 95 mph (152.89 km/h) | 93.19 mph (149.97 km/h) |
| 100 mph (160.93 km/h) | 98.09 mph (157.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1538 | 1787 | 1925 | 2010 | 2101 | 2167 | 2239 | 2324 | 2442 | 2560 | 2691 | 2795 | 2985 | 3195 | 3358 | 3463 | 3522 | 3738 | 4039 | 4694 |
Better Fuel Economy Factory Ratios Increased Power
