Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/65-18 | 280/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.31 (795.2) | 32.33 (821.2) | 1.02 (26) 3.3% |
| Width inches (mm) | 10.24 (260) | 11.02 (280) | 0.79 (20) 7.7% |
| Circum. inches (mm) | 98.35 (2498.19) | 101.57 (2579.88) | 3.22 (81.68) 3.3% |
| Sidewall Height inches (mm) | 6.65 (169) | 7.17 (182) | 0.51 (13) 7.7% |
| Revolutions per mile (km) | 644.2 (400.29) | 623.81 (387.61) | -20.4 (-12.67) -3.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.65 mph (33.24 km/h) |
| 25 mph (40.23 km/h) | 25.82 mph (41.55 km/h) |
| 30 mph (48.28 km/h) | 30.98 mph (49.86 km/h) |
| 35 mph (56.33 km/h) | 36.14 mph (58.17 km/h) |
| 40 mph (64.37 km/h) | 41.31 mph (66.48 km/h) |
| 45 mph (72.42 km/h) | 46.47 mph (74.79 km/h) |
| 50 mph (80.47 km/h) | 51.63 mph (83.1 km/h) |
| 55 mph (88.51 km/h) | 56.8 mph (91.41 km/h) |
| 60 mph (96.56 km/h) | 61.96 mph (99.72 km/h) |
| 65 mph (104.61 km/h) | 67.13 mph (108.03 km/h) |
| 70 mph (112.65 km/h) | 72.29 mph (116.34 km/h) |
| 75 mph (120.7 km/h) | 77.45 mph (124.65 km/h) |
| 80 mph (128.75 km/h) | 82.62 mph (132.96 km/h) |
| 85 mph (136.79 km/h) | 87.78 mph (141.27 km/h) |
| 90 mph (144.84 km/h) | 92.94 mph (149.58 km/h) |
| 95 mph (152.89 km/h) | 98.11 mph (157.89 km/h) |
| 100 mph (160.93 km/h) | 103.27 mph (166.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1587 | 1844 | 1986 | 2074 | 2168 | 2236 | 2310 | 2398 | 2520 | 2641 | 2776 | 2884 | 3080 | 3297 | 3465 | 3573 | 3634 | 3857 | 4168 | 4843 |
Better Fuel Economy Factory Ratios Increased Power
