Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/65-18 | 260/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.31 (795.2) | 32.28 (820) | 0.98 (24.8) 3.1% |
| Width inches (mm) | 10.24 (260) | 10.24 (260) | 0 (0) 0% |
| Circum. inches (mm) | 98.35 (2498.19) | 101.42 (2576.11) | 3.07 (77.91) 3.1% |
| Sidewall Height inches (mm) | 6.65 (169) | 6.14 (156) | -0.51 (-13) -7.7% |
| Revolutions per mile (km) | 644.2 (400.29) | 624.72 (388.18) | -19.48 (-12.11) -3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.62 mph (33.19 km/h) |
| 25 mph (40.23 km/h) | 25.78 mph (41.49 km/h) |
| 30 mph (48.28 km/h) | 30.94 mph (49.79 km/h) |
| 35 mph (56.33 km/h) | 36.09 mph (58.08 km/h) |
| 40 mph (64.37 km/h) | 41.25 mph (66.38 km/h) |
| 45 mph (72.42 km/h) | 46.4 mph (74.68 km/h) |
| 50 mph (80.47 km/h) | 51.56 mph (82.98 km/h) |
| 55 mph (88.51 km/h) | 56.72 mph (91.27 km/h) |
| 60 mph (96.56 km/h) | 61.87 mph (99.57 km/h) |
| 65 mph (104.61 km/h) | 67.03 mph (107.87 km/h) |
| 70 mph (112.65 km/h) | 72.18 mph (116.17 km/h) |
| 75 mph (120.7 km/h) | 77.34 mph (124.47 km/h) |
| 80 mph (128.75 km/h) | 82.49 mph (132.76 km/h) |
| 85 mph (136.79 km/h) | 87.65 mph (141.06 km/h) |
| 90 mph (144.84 km/h) | 92.81 mph (149.36 km/h) |
| 95 mph (152.89 km/h) | 97.96 mph (157.66 km/h) |
| 100 mph (160.93 km/h) | 103.12 mph (165.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1590 | 1847 | 1989 | 2077 | 2172 | 2239 | 2314 | 2402 | 2523 | 2645 | 2780 | 2889 | 3085 | 3301 | 3470 | 3579 | 3640 | 3863 | 4174 | 4851 |
Better Fuel Economy Factory Ratios Increased Power
