Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/65-18 | 260/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.31 (795.2) | 27.21 (691.2) | -4.09 (-104) -13.1% |
| Width inches (mm) | 10.24 (260) | 10.24 (260) | 0 (0) 0% |
| Circum. inches (mm) | 98.35 (2498.19) | 85.49 (2171.47) | -12.86 (-326.73) -13.1% |
| Sidewall Height inches (mm) | 6.65 (169) | 4.61 (117) | -2.05 (-52) -30.8% |
| Revolutions per mile (km) | 644.2 (400.29) | 741.13 (460.52) | 96.93 (60.23) 15% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.38 mph (27.98 km/h) |
| 25 mph (40.23 km/h) | 21.73 mph (34.97 km/h) |
| 30 mph (48.28 km/h) | 26.08 mph (41.97 km/h) |
| 35 mph (56.33 km/h) | 30.42 mph (48.96 km/h) |
| 40 mph (64.37 km/h) | 34.77 mph (55.95 km/h) |
| 45 mph (72.42 km/h) | 39.11 mph (62.95 km/h) |
| 50 mph (80.47 km/h) | 43.46 mph (69.94 km/h) |
| 55 mph (88.51 km/h) | 47.81 mph (76.94 km/h) |
| 60 mph (96.56 km/h) | 52.15 mph (83.93 km/h) |
| 65 mph (104.61 km/h) | 56.5 mph (90.93 km/h) |
| 70 mph (112.65 km/h) | 60.85 mph (97.92 km/h) |
| 75 mph (120.7 km/h) | 65.19 mph (104.92 km/h) |
| 80 mph (128.75 km/h) | 69.54 mph (111.91 km/h) |
| 85 mph (136.79 km/h) | 73.88 mph (118.9 km/h) |
| 90 mph (144.84 km/h) | 78.23 mph (125.9 km/h) |
| 95 mph (152.89 km/h) | 82.58 mph (132.89 km/h) |
| 100 mph (160.93 km/h) | 86.92 mph (139.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1886 | 2191 | 2360 | 2464 | 2576 | 2657 | 2745 | 2849 | 2994 | 3138 | 3299 | 3427 | 3660 | 3917 | 4117 | 4246 | 4318 | 4583 | 4952 | 5754 |
Better Fuel Economy Factory Ratios Increased Power
