Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/10-12 | 280/65-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26 (660.4) | 26.33 (668.8) | 0.33 (8.4) 1.3% |
| Width inches (mm) | 10 (254) | 11.02 (280) | 1.02 (26) 10.2% |
| Circum. inches (mm) | 81.68 (2074.71) | 82.72 (2101.1) | 1.04 (26.39) 1.3% |
| Sidewall Height inches (mm) | 7 (177.8) | 7.17 (182) | 0.17 (4.2) 2.4% |
| Revolutions per mile (km) | 775.7 (481.99) | 765.95 (475.94) | -9.74 (-6.05) -1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.25 mph (32.6 km/h) |
| 25 mph (40.23 km/h) | 25.32 mph (40.75 km/h) |
| 30 mph (48.28 km/h) | 30.38 mph (48.89 km/h) |
| 35 mph (56.33 km/h) | 35.45 mph (57.04 km/h) |
| 40 mph (64.37 km/h) | 40.51 mph (65.19 km/h) |
| 45 mph (72.42 km/h) | 45.57 mph (73.34 km/h) |
| 50 mph (80.47 km/h) | 50.64 mph (81.49 km/h) |
| 55 mph (88.51 km/h) | 55.7 mph (89.64 km/h) |
| 60 mph (96.56 km/h) | 60.76 mph (97.79 km/h) |
| 65 mph (104.61 km/h) | 65.83 mph (105.94 km/h) |
| 70 mph (112.65 km/h) | 70.89 mph (114.09 km/h) |
| 75 mph (120.7 km/h) | 75.95 mph (122.24 km/h) |
| 80 mph (128.75 km/h) | 81.02 mph (130.39 km/h) |
| 85 mph (136.79 km/h) | 86.08 mph (138.53 km/h) |
| 90 mph (144.84 km/h) | 91.14 mph (146.68 km/h) |
| 95 mph (152.89 km/h) | 96.21 mph (154.83 km/h) |
| 100 mph (160.93 km/h) | 101.27 mph (162.98 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1949 | 2264 | 2439 | 2546 | 2663 | 2745 | 2837 | 2945 | 3094 | 3243 | 3409 | 3542 | 3782 | 4048 | 4255 | 4388 | 4462 | 4736 | 5118 | 5947 |
Better Fuel Economy Factory Ratios Increased Power
