Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/60-18 | 260/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.32 (643.2) | 30.28 (769.2) | 4.96 (126) 19.6% |
| Width inches (mm) | 6.1 (155) | 10.24 (260) | 4.13 (105) 67.7% |
| Circum. inches (mm) | 79.55 (2020.67) | 95.14 (2416.51) | 15.58 (395.84) 19.6% |
| Sidewall Height inches (mm) | 3.66 (93) | 6.14 (156) | 2.48 (63) 67.7% |
| Revolutions per mile (km) | 796.44 (494.88) | 665.98 (413.82) | -130.46 (-81.07) -16.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.92 mph (38.49 km/h) |
| 25 mph (40.23 km/h) | 29.9 mph (48.12 km/h) |
| 30 mph (48.28 km/h) | 35.88 mph (57.74 km/h) |
| 35 mph (56.33 km/h) | 41.86 mph (67.36 km/h) |
| 40 mph (64.37 km/h) | 47.84 mph (76.98 km/h) |
| 45 mph (72.42 km/h) | 53.82 mph (86.61 km/h) |
| 50 mph (80.47 km/h) | 59.79 mph (96.23 km/h) |
| 55 mph (88.51 km/h) | 65.77 mph (105.85 km/h) |
| 60 mph (96.56 km/h) | 71.75 mph (115.48 km/h) |
| 65 mph (104.61 km/h) | 77.73 mph (125.1 km/h) |
| 70 mph (112.65 km/h) | 83.71 mph (134.72 km/h) |
| 75 mph (120.7 km/h) | 89.69 mph (144.35 km/h) |
| 80 mph (128.75 km/h) | 95.67 mph (153.97 km/h) |
| 85 mph (136.79 km/h) | 101.65 mph (163.59 km/h) |
| 90 mph (144.84 km/h) | 107.63 mph (173.21 km/h) |
| 95 mph (152.89 km/h) | 113.61 mph (182.84 km/h) |
| 100 mph (160.93 km/h) | 119.59 mph (192.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1695 | 1969 | 2120 | 2214 | 2315 | 2387 | 2466 | 2560 | 2690 | 2820 | 2964 | 3079 | 3289 | 3519 | 3700 | 3815 | 3880 | 4118 | 4450 | 5171 |
Better Fuel Economy Factory Ratios Increased Power
