Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 255/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 31.06 (789) | -1.87 (-47.52) -5.7% |
| Width inches (mm) | 11.5 (292) | 10.04 (255) | -1.46 (-37) -12.7% |
| Circum. inches (mm) | 103.46 (2628.01) | 97.59 (2478.72) | -5.88 (-149.29) -5.7% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 8.03 (204) | -0.94 (-23.76) -10.4% |
| Revolutions per mile (km) | 612.38 (380.52) | 649.27 (403.43) | 36.88 (22.92) 6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.86 mph (30.36 km/h) |
| 25 mph (40.23 km/h) | 23.58 mph (37.95 km/h) |
| 30 mph (48.28 km/h) | 28.3 mph (45.54 km/h) |
| 35 mph (56.33 km/h) | 33.01 mph (53.13 km/h) |
| 40 mph (64.37 km/h) | 37.73 mph (60.72 km/h) |
| 45 mph (72.42 km/h) | 42.44 mph (68.31 km/h) |
| 50 mph (80.47 km/h) | 47.16 mph (75.9 km/h) |
| 55 mph (88.51 km/h) | 51.88 mph (83.49 km/h) |
| 60 mph (96.56 km/h) | 56.59 mph (91.08 km/h) |
| 65 mph (104.61 km/h) | 61.31 mph (98.67 km/h) |
| 70 mph (112.65 km/h) | 66.02 mph (106.25 km/h) |
| 75 mph (120.7 km/h) | 70.74 mph (113.84 km/h) |
| 80 mph (128.75 km/h) | 75.46 mph (121.43 km/h) |
| 85 mph (136.79 km/h) | 80.17 mph (129.02 km/h) |
| 90 mph (144.84 km/h) | 84.89 mph (136.61 km/h) |
| 95 mph (152.89 km/h) | 89.6 mph (144.2 km/h) |
| 100 mph (160.93 km/h) | 94.32 mph (151.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1652 | 1919 | 2067 | 2158 | 2257 | 2327 | 2405 | 2496 | 2623 | 2749 | 2890 | 3002 | 3206 | 3431 | 3607 | 3719 | 3783 | 4015 | 4338 | 5041 |
Better Fuel Economy Factory Ratios Increased Power
