Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16.5 | 33/12.5-16.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.97 (786.6) | 33.03 (838.86) | 2.06 (52.26) 6.6% |
| Width inches (mm) | 9.65 (245) | 12.52 (318) | 2.87 (73) 29.8% |
| Circum. inches (mm) | 97.29 (2471.18) | 103.75 (2635.36) | 6.46 (164.18) 6.6% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 8.26 (209.88) | 1.03 (26.13) 14.2% |
| Revolutions per mile (km) | 651.25 (404.66) | 610.67 (379.45) | -40.57 (-25.21) -6.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.33 mph (34.33 km/h) |
| 25 mph (40.23 km/h) | 26.66 mph (42.91 km/h) |
| 30 mph (48.28 km/h) | 31.99 mph (51.49 km/h) |
| 35 mph (56.33 km/h) | 37.33 mph (60.07 km/h) |
| 40 mph (64.37 km/h) | 42.66 mph (68.65 km/h) |
| 45 mph (72.42 km/h) | 47.99 mph (77.23 km/h) |
| 50 mph (80.47 km/h) | 53.32 mph (85.81 km/h) |
| 55 mph (88.51 km/h) | 58.65 mph (94.39 km/h) |
| 60 mph (96.56 km/h) | 63.99 mph (102.98 km/h) |
| 65 mph (104.61 km/h) | 69.32 mph (111.56 km/h) |
| 70 mph (112.65 km/h) | 74.65 mph (120.14 km/h) |
| 75 mph (120.7 km/h) | 79.98 mph (128.72 km/h) |
| 80 mph (128.75 km/h) | 85.32 mph (137.3 km/h) |
| 85 mph (136.79 km/h) | 90.65 mph (145.88 km/h) |
| 90 mph (144.84 km/h) | 95.98 mph (154.46 km/h) |
| 95 mph (152.89 km/h) | 101.31 mph (163.05 km/h) |
| 100 mph (160.93 km/h) | 106.64 mph (171.63 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 | 3016 | 3227 | 3392 | 3498 | 3558 | 3776 | 4080 | 4742 |
Better Fuel Economy Factory Ratios Increased Power
