Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/70-16 | 33/12.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.81 (833.4) | 33.03 (838.88) | 0.22 (5.48) 0.7% |
| Width inches (mm) | 12.01 (305) | 12.52 (318) | 0.51 (13) 4.3% |
| Circum. inches (mm) | 103.08 (2618.2) | 103.76 (2635.42) | 0.68 (17.22) 0.7% |
| Sidewall Height inches (mm) | 8.41 (213.5) | 8.51 (216.24) | 0.11 (2.74) 1.3% |
| Revolutions per mile (km) | 614.67 (381.94) | 610.66 (379.45) | -4.02 (-2.5) -0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.13 mph (32.4 km/h) |
| 25 mph (40.23 km/h) | 25.16 mph (40.5 km/h) |
| 30 mph (48.28 km/h) | 30.2 mph (48.6 km/h) |
| 35 mph (56.33 km/h) | 35.23 mph (56.7 km/h) |
| 40 mph (64.37 km/h) | 40.26 mph (64.8 km/h) |
| 45 mph (72.42 km/h) | 45.3 mph (72.9 km/h) |
| 50 mph (80.47 km/h) | 50.33 mph (81 km/h) |
| 55 mph (88.51 km/h) | 55.36 mph (89.1 km/h) |
| 60 mph (96.56 km/h) | 60.39 mph (97.2 km/h) |
| 65 mph (104.61 km/h) | 65.43 mph (105.3 km/h) |
| 70 mph (112.65 km/h) | 70.46 mph (113.4 km/h) |
| 75 mph (120.7 km/h) | 75.49 mph (121.49 km/h) |
| 80 mph (128.75 km/h) | 80.53 mph (129.59 km/h) |
| 85 mph (136.79 km/h) | 85.56 mph (137.69 km/h) |
| 90 mph (144.84 km/h) | 90.59 mph (145.79 km/h) |
| 95 mph (152.89 km/h) | 95.62 mph (153.89 km/h) |
| 100 mph (160.93 km/h) | 100.66 mph (161.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1554 | 1805 | 1944 | 2030 | 2123 | 2189 | 2262 | 2348 | 2467 | 2586 | 2718 | 2824 | 3015 | 3227 | 3392 | 3498 | 3558 | 3776 | 4080 | 4741 |
Better Fuel Economy Factory Ratios Increased Power
