Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12-16 | 275/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.05 (839.5) | 34.41 (873.9) | 1.35 (34.4) 4.1% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 103.83 (2637.37) | 108.09 (2745.44) | 4.25 (108.07) 4.1% |
| Sidewall Height inches (mm) | 8.53 (216.55) | 9.2 (233.75) | 0.68 (17.2) 7.9% |
| Revolutions per mile (km) | 610.21 (379.17) | 586.19 (364.24) | -24.02 (-14.93) -3.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.82 mph (33.51 km/h) |
| 25 mph (40.23 km/h) | 26.02 mph (41.88 km/h) |
| 30 mph (48.28 km/h) | 31.23 mph (50.26 km/h) |
| 35 mph (56.33 km/h) | 36.43 mph (58.64 km/h) |
| 40 mph (64.37 km/h) | 41.64 mph (67.01 km/h) |
| 45 mph (72.42 km/h) | 46.84 mph (75.39 km/h) |
| 50 mph (80.47 km/h) | 52.05 mph (83.76 km/h) |
| 55 mph (88.51 km/h) | 57.25 mph (92.14 km/h) |
| 60 mph (96.56 km/h) | 62.46 mph (100.52 km/h) |
| 65 mph (104.61 km/h) | 67.66 mph (108.89 km/h) |
| 70 mph (112.65 km/h) | 72.87 mph (117.27 km/h) |
| 75 mph (120.7 km/h) | 78.07 mph (125.65 km/h) |
| 80 mph (128.75 km/h) | 83.28 mph (134.02 km/h) |
| 85 mph (136.79 km/h) | 88.48 mph (142.4 km/h) |
| 90 mph (144.84 km/h) | 93.69 mph (150.78 km/h) |
| 95 mph (152.89 km/h) | 98.89 mph (159.15 km/h) |
| 100 mph (160.93 km/h) | 104.1 mph (167.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1492 | 1733 | 1866 | 1949 | 2038 | 2101 | 2171 | 2253 | 2368 | 2482 | 2609 | 2711 | 2895 | 3098 | 3256 | 3358 | 3415 | 3625 | 3917 | 4551 |
Better Fuel Economy Factory Ratios Increased Power
