Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/11.5-15 | 280/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.93 (836.52) | 32.64 (829) | -0.3 (-7.52) -0.9% |
| Width inches (mm) | 11.5 (292) | 11.02 (280) | -0.47 (-12) -4.1% |
| Circum. inches (mm) | 103.46 (2628.01) | 102.53 (2604.38) | -0.93 (-23.62) -0.9% |
| Sidewall Height inches (mm) | 8.97 (227.76) | 8.82 (224) | -0.15 (-3.76) -1.7% |
| Revolutions per mile (km) | 612.38 (380.52) | 617.94 (383.97) | 5.56 (3.45) 0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.82 mph (31.9 km/h) |
| 25 mph (40.23 km/h) | 24.78 mph (39.87 km/h) |
| 30 mph (48.28 km/h) | 29.73 mph (47.85 km/h) |
| 35 mph (56.33 km/h) | 34.69 mph (55.82 km/h) |
| 40 mph (64.37 km/h) | 39.64 mph (63.8 km/h) |
| 45 mph (72.42 km/h) | 44.6 mph (71.77 km/h) |
| 50 mph (80.47 km/h) | 49.55 mph (79.74 km/h) |
| 55 mph (88.51 km/h) | 54.51 mph (87.72 km/h) |
| 60 mph (96.56 km/h) | 59.46 mph (95.69 km/h) |
| 65 mph (104.61 km/h) | 64.42 mph (103.67 km/h) |
| 70 mph (112.65 km/h) | 69.37 mph (111.64 km/h) |
| 75 mph (120.7 km/h) | 74.33 mph (119.62 km/h) |
| 80 mph (128.75 km/h) | 79.28 mph (127.59 km/h) |
| 85 mph (136.79 km/h) | 84.24 mph (135.56 km/h) |
| 90 mph (144.84 km/h) | 89.19 mph (143.54 km/h) |
| 95 mph (152.89 km/h) | 94.15 mph (151.51 km/h) |
| 100 mph (160.93 km/h) | 99.1 mph (159.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1573 | 1827 | 1967 | 2054 | 2148 | 2215 | 2289 | 2376 | 2496 | 2616 | 2750 | 2857 | 3051 | 3266 | 3433 | 3540 | 3600 | 3821 | 4129 | 4798 |
Better Fuel Economy Factory Ratios Increased Power
