Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/90-18 | 265/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.4 (772.2) | 30.52 (775.2) | 0.12 (3) 0.4% |
| Width inches (mm) | 6.89 (175) | 10.43 (265) | 3.54 (90) 51.4% |
| Circum. inches (mm) | 95.51 (2425.94) | 95.88 (2435.36) | 0.37 (9.42) 0.4% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 6.26 (159) | 0.06 (1.5) 1% |
| Revolutions per mile (km) | 663.39 (412.21) | 660.82 (410.62) | -2.57 (-1.6) -0.4% |
265/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.08 mph (32.31 km/h) |
| 25 mph (40.23 km/h) | 25.1 mph (40.39 km/h) |
| 30 mph (48.28 km/h) | 30.12 mph (48.47 km/h) |
| 35 mph (56.33 km/h) | 35.14 mph (56.55 km/h) |
| 40 mph (64.37 km/h) | 40.16 mph (64.62 km/h) |
| 45 mph (72.42 km/h) | 45.17 mph (72.7 km/h) |
| 50 mph (80.47 km/h) | 50.19 mph (80.78 km/h) |
| 55 mph (88.51 km/h) | 55.21 mph (88.86 km/h) |
| 60 mph (96.56 km/h) | 60.23 mph (96.94 km/h) |
| 65 mph (104.61 km/h) | 65.25 mph (105.01 km/h) |
| 70 mph (112.65 km/h) | 70.27 mph (113.09 km/h) |
| 75 mph (120.7 km/h) | 75.29 mph (121.17 km/h) |
| 80 mph (128.75 km/h) | 80.31 mph (129.25 km/h) |
| 85 mph (136.79 km/h) | 85.33 mph (137.33 km/h) |
| 90 mph (144.84 km/h) | 90.35 mph (145.4 km/h) |
| 95 mph (152.89 km/h) | 95.37 mph (153.48 km/h) |
| 100 mph (160.93 km/h) | 100.39 mph (161.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1682 | 1954 | 2104 | 2197 | 2297 | 2369 | 2447 | 2540 | 2669 | 2798 | 2941 | 3056 | 3263 | 3492 | 3671 | 3786 | 3850 | 4086 | 4415 | 5131 |
Better Fuel Economy Factory Ratios Increased Power
