Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/45-20 | 265/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.39 (746.5) | 30.43 (773) | 1.04 (26.5) 3.5% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 92.33 (2345.2) | 95.61 (2428.45) | 3.28 (83.25) 3.5% |
| Sidewall Height inches (mm) | 4.69 (119.25) | 5.22 (132.5) | 0.52 (13.25) 11.1% |
| Revolutions per mile (km) | 686.23 (426.4) | 662.7 (411.78) | -23.53 (-14.62) -3.4% |
265/50-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.71 mph (33.33 km/h) |
| 25 mph (40.23 km/h) | 25.89 mph (41.66 km/h) |
| 30 mph (48.28 km/h) | 31.06 mph (49.99 km/h) |
| 35 mph (56.33 km/h) | 36.24 mph (58.33 km/h) |
| 40 mph (64.37 km/h) | 41.42 mph (66.66 km/h) |
| 45 mph (72.42 km/h) | 46.6 mph (74.99 km/h) |
| 50 mph (80.47 km/h) | 51.77 mph (83.32 km/h) |
| 55 mph (88.51 km/h) | 56.95 mph (91.66 km/h) |
| 60 mph (96.56 km/h) | 62.13 mph (99.99 km/h) |
| 65 mph (104.61 km/h) | 67.31 mph (108.32 km/h) |
| 70 mph (112.65 km/h) | 72.48 mph (116.65 km/h) |
| 75 mph (120.7 km/h) | 77.66 mph (124.99 km/h) |
| 80 mph (128.75 km/h) | 82.84 mph (133.32 km/h) |
| 85 mph (136.79 km/h) | 88.02 mph (141.65 km/h) |
| 90 mph (144.84 km/h) | 93.19 mph (149.98 km/h) |
| 95 mph (152.89 km/h) | 98.37 mph (158.32 km/h) |
| 100 mph (160.93 km/h) | 103.55 mph (166.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1686 | 1959 | 2110 | 2203 | 2304 | 2375 | 2454 | 2548 | 2677 | 2806 | 2950 | 3064 | 3272 | 3502 | 3681 | 3796 | 3861 | 4098 | 4428 | 5145 |
Better Fuel Economy Factory Ratios Increased Power
