Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/60-20 | 265/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.99 (838) | 30.52 (775.2) | -2.47 (-62.8) -7.5% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 103.65 (2632.65) | 95.88 (2435.36) | -7.77 (-197.29) -7.5% |
| Sidewall Height inches (mm) | 6.5 (165) | 6.26 (159) | -0.24 (-6) -3.6% |
| Revolutions per mile (km) | 611.3 (379.84) | 660.82 (410.62) | 49.52 (30.77) 8.1% |
265/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.5 mph (29.77 km/h) |
| 25 mph (40.23 km/h) | 23.13 mph (37.22 km/h) |
| 30 mph (48.28 km/h) | 27.75 mph (44.66 km/h) |
| 35 mph (56.33 km/h) | 32.38 mph (52.11 km/h) |
| 40 mph (64.37 km/h) | 37 mph (59.55 km/h) |
| 45 mph (72.42 km/h) | 41.63 mph (66.99 km/h) |
| 50 mph (80.47 km/h) | 46.25 mph (74.44 km/h) |
| 55 mph (88.51 km/h) | 50.88 mph (81.88 km/h) |
| 60 mph (96.56 km/h) | 55.5 mph (89.32 km/h) |
| 65 mph (104.61 km/h) | 60.13 mph (96.77 km/h) |
| 70 mph (112.65 km/h) | 64.75 mph (104.21 km/h) |
| 75 mph (120.7 km/h) | 69.38 mph (111.66 km/h) |
| 80 mph (128.75 km/h) | 74 mph (119.1 km/h) |
| 85 mph (136.79 km/h) | 78.63 mph (126.54 km/h) |
| 90 mph (144.84 km/h) | 83.26 mph (133.99 km/h) |
| 95 mph (152.89 km/h) | 87.88 mph (141.43 km/h) |
| 100 mph (160.93 km/h) | 92.51 mph (148.87 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
