Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12-16 | 305/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.05 (839.5) | 32.81 (833.4) | -0.24 (-6.1) -0.7% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 103.83 (2637.37) | 103.08 (2618.2) | -0.75 (-19.16) -0.7% |
| Sidewall Height inches (mm) | 8.53 (216.55) | 8.41 (213.5) | -0.12 (-3.05) -1.4% |
| Revolutions per mile (km) | 610.21 (379.17) | 614.67 (381.94) | 4.47 (2.78) 0.7% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.85 mph (31.95 km/h) |
| 25 mph (40.23 km/h) | 24.82 mph (39.94 km/h) |
| 30 mph (48.28 km/h) | 29.78 mph (47.93 km/h) |
| 35 mph (56.33 km/h) | 34.75 mph (55.92 km/h) |
| 40 mph (64.37 km/h) | 39.71 mph (63.91 km/h) |
| 45 mph (72.42 km/h) | 44.67 mph (71.89 km/h) |
| 50 mph (80.47 km/h) | 49.64 mph (79.88 km/h) |
| 55 mph (88.51 km/h) | 54.6 mph (87.87 km/h) |
| 60 mph (96.56 km/h) | 59.56 mph (95.86 km/h) |
| 65 mph (104.61 km/h) | 64.53 mph (103.85 km/h) |
| 70 mph (112.65 km/h) | 69.49 mph (111.84 km/h) |
| 75 mph (120.7 km/h) | 74.46 mph (119.82 km/h) |
| 80 mph (128.75 km/h) | 79.42 mph (127.81 km/h) |
| 85 mph (136.79 km/h) | 84.38 mph (135.8 km/h) |
| 90 mph (144.84 km/h) | 89.35 mph (143.79 km/h) |
| 95 mph (152.89 km/h) | 94.31 mph (151.78 km/h) |
| 100 mph (160.93 km/h) | 99.27 mph (159.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1564 | 1817 | 1957 | 2043 | 2137 | 2203 | 2276 | 2363 | 2483 | 2603 | 2736 | 2842 | 3035 | 3248 | 3415 | 3521 | 3581 | 3801 | 4107 | 4773 |
Better Fuel Economy Factory Ratios Increased Power
