Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/80-16 | 34/10.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.64 (854.4) | 34.08 (865.64) | 0.44 (11.24) 1.3% |
| Width inches (mm) | 11.02 (280) | 10.51 (267) | -0.51 (-13) -4.6% |
| Circum. inches (mm) | 105.68 (2684.18) | 107.07 (2719.49) | 1.39 (35.31) 1.3% |
| Sidewall Height inches (mm) | 8.82 (224) | 9.04 (229.62) | 0.22 (5.62) 2.5% |
| Revolutions per mile (km) | 599.57 (372.55) | 591.78 (367.72) | -7.79 (-4.84) -1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.26 mph (32.61 km/h) |
| 25 mph (40.23 km/h) | 25.33 mph (40.76 km/h) |
| 30 mph (48.28 km/h) | 30.39 mph (48.92 km/h) |
| 35 mph (56.33 km/h) | 35.46 mph (57.07 km/h) |
| 40 mph (64.37 km/h) | 40.53 mph (65.22 km/h) |
| 45 mph (72.42 km/h) | 45.59 mph (73.37 km/h) |
| 50 mph (80.47 km/h) | 50.66 mph (81.53 km/h) |
| 55 mph (88.51 km/h) | 55.72 mph (89.68 km/h) |
| 60 mph (96.56 km/h) | 60.79 mph (97.83 km/h) |
| 65 mph (104.61 km/h) | 65.86 mph (105.98 km/h) |
| 70 mph (112.65 km/h) | 70.92 mph (114.14 km/h) |
| 75 mph (120.7 km/h) | 75.99 mph (122.29 km/h) |
| 80 mph (128.75 km/h) | 81.05 mph (130.44 km/h) |
| 85 mph (136.79 km/h) | 86.12 mph (138.59 km/h) |
| 90 mph (144.84 km/h) | 91.18 mph (146.75 km/h) |
| 95 mph (152.89 km/h) | 96.25 mph (154.9 km/h) |
| 100 mph (160.93 km/h) | 101.32 mph (163.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1506 | 1749 | 1884 | 1967 | 2057 | 2121 | 2192 | 2275 | 2390 | 2506 | 2634 | 2736 | 2922 | 3127 | 3288 | 3390 | 3448 | 3659 | 3954 | 4595 |
Better Fuel Economy Factory Ratios Increased Power
