Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 275/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 33.32 (846.4) | 0.39 (9.88) 1.2% |
| Width inches (mm) | 11.5 (292) | 10.83 (275) | -0.67 (-17) -5.8% |
| Circum. inches (mm) | 103.46 (2628.01) | 104.69 (2659.04) | 1.22 (31.04) 1.2% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 8.66 (220) | -0.31 (-7.76) -3.4% |
| Revolutions per mile (km) | 612.38 (380.52) | 605.23 (376.07) | -7.15 (-4.44) -1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.24 mph (32.57 km/h) |
| 25 mph (40.23 km/h) | 25.3 mph (40.71 km/h) |
| 30 mph (48.28 km/h) | 30.35 mph (48.85 km/h) |
| 35 mph (56.33 km/h) | 35.41 mph (56.99 km/h) |
| 40 mph (64.37 km/h) | 40.47 mph (65.13 km/h) |
| 45 mph (72.42 km/h) | 45.53 mph (73.28 km/h) |
| 50 mph (80.47 km/h) | 50.59 mph (81.42 km/h) |
| 55 mph (88.51 km/h) | 55.65 mph (89.56 km/h) |
| 60 mph (96.56 km/h) | 60.71 mph (97.7 km/h) |
| 65 mph (104.61 km/h) | 65.77 mph (105.84 km/h) |
| 70 mph (112.65 km/h) | 70.83 mph (113.98 km/h) |
| 75 mph (120.7 km/h) | 75.89 mph (122.13 km/h) |
| 80 mph (128.75 km/h) | 80.94 mph (130.27 km/h) |
| 85 mph (136.79 km/h) | 86 mph (138.41 km/h) |
| 90 mph (144.84 km/h) | 91.06 mph (146.55 km/h) |
| 95 mph (152.89 km/h) | 96.12 mph (154.69 km/h) |
| 100 mph (160.93 km/h) | 101.18 mph (162.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1540 | 1789 | 1927 | 2012 | 2104 | 2169 | 2241 | 2327 | 2445 | 2563 | 2694 | 2799 | 2989 | 3198 | 3362 | 3467 | 3526 | 3742 | 4044 | 4699 |
Better Fuel Economy Factory Ratios Increased Power
