Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/10.5-15 | 275/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.08 (840.24) | 31.24 (793.5) | -1.84 (-46.74) -5.6% |
| Width inches (mm) | 10.51 (267) | 10.83 (275) | 0.31 (8) 3% |
| Circum. inches (mm) | 103.92 (2639.69) | 98.14 (2492.85) | -5.78 (-146.84) -5.6% |
| Sidewall Height inches (mm) | 9.04 (229.62) | 8.12 (206.25) | -0.92 (-23.37) -10.2% |
| Revolutions per mile (km) | 609.67 (378.83) | 645.58 (401.15) | 35.91 (22.31) 5.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.89 mph (30.4 km/h) |
| 25 mph (40.23 km/h) | 23.61 mph (38 km/h) |
| 30 mph (48.28 km/h) | 28.33 mph (45.59 km/h) |
| 35 mph (56.33 km/h) | 33.05 mph (53.19 km/h) |
| 40 mph (64.37 km/h) | 37.77 mph (60.79 km/h) |
| 45 mph (72.42 km/h) | 42.5 mph (68.39 km/h) |
| 50 mph (80.47 km/h) | 47.22 mph (75.99 km/h) |
| 55 mph (88.51 km/h) | 51.94 mph (83.59 km/h) |
| 60 mph (96.56 km/h) | 56.66 mph (91.19 km/h) |
| 65 mph (104.61 km/h) | 61.38 mph (98.79 km/h) |
| 70 mph (112.65 km/h) | 66.11 mph (106.39 km/h) |
| 75 mph (120.7 km/h) | 70.83 mph (113.99 km/h) |
| 80 mph (128.75 km/h) | 75.55 mph (121.59 km/h) |
| 85 mph (136.79 km/h) | 80.27 mph (129.19 km/h) |
| 90 mph (144.84 km/h) | 84.99 mph (136.78 km/h) |
| 95 mph (152.89 km/h) | 89.72 mph (144.38 km/h) |
| 100 mph (160.93 km/h) | 94.44 mph (151.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1643 | 1909 | 2055 | 2146 | 2244 | 2314 | 2391 | 2482 | 2608 | 2733 | 2873 | 2985 | 3188 | 3412 | 3586 | 3698 | 3761 | 3992 | 4313 | 5013 |
Better Fuel Economy Factory Ratios Increased Power
