Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/70-16 | 315/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.81 (833.4) | 33.36 (847.4) | 0.55 (14) 1.7% |
| Width inches (mm) | 12.01 (305) | 12.4 (315) | 0.39 (10) 3.3% |
| Circum. inches (mm) | 103.08 (2618.2) | 104.81 (2662.19) | 1.73 (43.98) 1.7% |
| Sidewall Height inches (mm) | 8.41 (213.5) | 8.68 (220.5) | 0.28 (7) 3.3% |
| Revolutions per mile (km) | 614.67 (381.94) | 604.52 (375.63) | -10.16 (-6.31) -1.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.34 mph (32.73 km/h) |
| 25 mph (40.23 km/h) | 25.42 mph (40.91 km/h) |
| 30 mph (48.28 km/h) | 30.5 mph (49.09 km/h) |
| 35 mph (56.33 km/h) | 35.59 mph (57.27 km/h) |
| 40 mph (64.37 km/h) | 40.67 mph (65.46 km/h) |
| 45 mph (72.42 km/h) | 45.76 mph (73.64 km/h) |
| 50 mph (80.47 km/h) | 50.84 mph (81.82 km/h) |
| 55 mph (88.51 km/h) | 55.92 mph (90 km/h) |
| 60 mph (96.56 km/h) | 61.01 mph (98.18 km/h) |
| 65 mph (104.61 km/h) | 66.09 mph (106.36 km/h) |
| 70 mph (112.65 km/h) | 71.18 mph (114.55 km/h) |
| 75 mph (120.7 km/h) | 76.26 mph (122.73 km/h) |
| 80 mph (128.75 km/h) | 81.34 mph (130.91 km/h) |
| 85 mph (136.79 km/h) | 86.43 mph (139.09 km/h) |
| 90 mph (144.84 km/h) | 91.51 mph (147.27 km/h) |
| 95 mph (152.89 km/h) | 96.6 mph (155.46 km/h) |
| 100 mph (160.93 km/h) | 101.68 mph (163.64 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
