Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/60-20 | 265/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.52 (826) | 30.52 (775.2) | -2 (-50.8) -6.2% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 102.16 (2594.96) | 95.88 (2435.36) | -6.28 (-159.59) -6.2% |
| Sidewall Height inches (mm) | 6.26 (159) | 6.26 (159) | 0 (0) 0% |
| Revolutions per mile (km) | 620.18 (385.36) | 660.82 (410.62) | 40.64 (25.25) 6.6% |
265/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.77 mph (30.21 km/h) |
| 25 mph (40.23 km/h) | 23.46 mph (37.76 km/h) |
| 30 mph (48.28 km/h) | 28.15 mph (45.31 km/h) |
| 35 mph (56.33 km/h) | 32.85 mph (52.86 km/h) |
| 40 mph (64.37 km/h) | 37.54 mph (60.41 km/h) |
| 45 mph (72.42 km/h) | 42.23 mph (67.97 km/h) |
| 50 mph (80.47 km/h) | 46.92 mph (75.52 km/h) |
| 55 mph (88.51 km/h) | 51.62 mph (83.07 km/h) |
| 60 mph (96.56 km/h) | 56.31 mph (90.62 km/h) |
| 65 mph (104.61 km/h) | 61 mph (98.17 km/h) |
| 70 mph (112.65 km/h) | 65.69 mph (105.73 km/h) |
| 75 mph (120.7 km/h) | 70.39 mph (113.28 km/h) |
| 80 mph (128.75 km/h) | 75.08 mph (120.83 km/h) |
| 85 mph (136.79 km/h) | 79.77 mph (128.38 km/h) |
| 90 mph (144.84 km/h) | 84.46 mph (135.93 km/h) |
| 95 mph (152.89 km/h) | 89.16 mph (143.49 km/h) |
| 100 mph (160.93 km/h) | 93.85 mph (151.04 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
