Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/55-18 | 255/25-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.26 (743.2) | 23.02 (584.7) | -6.24 (-158.5) -21.3% |
| Width inches (mm) | 10.24 (260) | 10.04 (255) | -0.2 (-5) -1.9% |
| Circum. inches (mm) | 91.92 (2334.83) | 72.32 (1836.89) | -19.6 (-497.94) -21.3% |
| Sidewall Height inches (mm) | 5.63 (143) | 2.51 (63.75) | -3.12 (-79.25) -55.4% |
| Revolutions per mile (km) | 689.28 (428.3) | 876.12 (544.4) | 186.85 (116.1) 27.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.73 mph (25.32 km/h) |
| 25 mph (40.23 km/h) | 19.67 mph (31.65 km/h) |
| 30 mph (48.28 km/h) | 23.6 mph (37.98 km/h) |
| 35 mph (56.33 km/h) | 27.54 mph (44.31 km/h) |
| 40 mph (64.37 km/h) | 31.47 mph (50.65 km/h) |
| 45 mph (72.42 km/h) | 35.4 mph (56.98 km/h) |
| 50 mph (80.47 km/h) | 39.34 mph (63.31 km/h) |
| 55 mph (88.51 km/h) | 43.27 mph (69.64 km/h) |
| 60 mph (96.56 km/h) | 47.2 mph (75.97 km/h) |
| 65 mph (104.61 km/h) | 51.14 mph (82.3 km/h) |
| 70 mph (112.65 km/h) | 55.07 mph (88.63 km/h) |
| 75 mph (120.7 km/h) | 59 mph (94.96 km/h) |
| 80 mph (128.75 km/h) | 62.94 mph (101.29 km/h) |
| 85 mph (136.79 km/h) | 66.87 mph (107.62 km/h) |
| 90 mph (144.84 km/h) | 70.81 mph (113.95 km/h) |
| 95 mph (152.89 km/h) | 74.74 mph (120.28 km/h) |
| 100 mph (160.93 km/h) | 78.67 mph (126.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2230 | 2590 | 2789 | 2913 | 3045 | 3140 | 3245 | 3368 | 3539 | 3710 | 3899 | 4051 | 4326 | 4630 | 4867 | 5019 | 5104 | 5417 | 5854 | 6803 |
Better Fuel Economy Factory Ratios Increased Power
