Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 31/10.5-16 | 33/12.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.93 (785.54) | 33.03 (838.88) | 2.1 (53.34) 6.8% |
| Width inches (mm) | 10.51 (267) | 12.52 (318) | 2.01 (51) 19.1% |
| Circum. inches (mm) | 97.16 (2467.85) | 103.76 (2635.42) | 6.6 (167.57) 6.8% |
| Sidewall Height inches (mm) | 7.46 (189.57) | 8.51 (216.24) | 1.05 (26.67) 14.1% |
| Revolutions per mile (km) | 652.12 (405.21) | 610.66 (379.45) | -41.47 (-25.77) -6.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.36 mph (34.37 km/h) |
| 25 mph (40.23 km/h) | 26.7 mph (42.97 km/h) |
| 30 mph (48.28 km/h) | 32.04 mph (51.56 km/h) |
| 35 mph (56.33 km/h) | 37.38 mph (60.15 km/h) |
| 40 mph (64.37 km/h) | 42.72 mph (68.75 km/h) |
| 45 mph (72.42 km/h) | 48.06 mph (77.34 km/h) |
| 50 mph (80.47 km/h) | 53.4 mph (85.93 km/h) |
| 55 mph (88.51 km/h) | 58.73 mph (94.52 km/h) |
| 60 mph (96.56 km/h) | 64.07 mph (103.12 km/h) |
| 65 mph (104.61 km/h) | 69.41 mph (111.71 km/h) |
| 70 mph (112.65 km/h) | 74.75 mph (120.3 km/h) |
| 75 mph (120.7 km/h) | 80.09 mph (128.9 km/h) |
| 80 mph (128.75 km/h) | 85.43 mph (137.49 km/h) |
| 85 mph (136.79 km/h) | 90.77 mph (146.08 km/h) |
| 90 mph (144.84 km/h) | 96.11 mph (154.68 km/h) |
| 95 mph (152.89 km/h) | 101.45 mph (163.27 km/h) |
| 100 mph (160.93 km/h) | 106.79 mph (171.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
