Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/50-20 | 265/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.65 (753) | 30.43 (773) | 0.79 (20) 2.7% |
| Width inches (mm) | 9.65 (245) | 10.43 (265) | 0.79 (20) 8.2% |
| Circum. inches (mm) | 93.13 (2365.62) | 95.61 (2428.45) | 2.47 (62.83) 2.7% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 5.22 (132.5) | 0.39 (10) 8.2% |
| Revolutions per mile (km) | 680.31 (422.72) | 662.7 (411.78) | -17.6 (-10.94) -2.6% |
265/50-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.53 mph (33.04 km/h) |
| 25 mph (40.23 km/h) | 25.66 mph (41.3 km/h) |
| 30 mph (48.28 km/h) | 30.8 mph (49.56 km/h) |
| 35 mph (56.33 km/h) | 35.93 mph (57.82 km/h) |
| 40 mph (64.37 km/h) | 41.06 mph (66.08 km/h) |
| 45 mph (72.42 km/h) | 46.2 mph (74.34 km/h) |
| 50 mph (80.47 km/h) | 51.33 mph (82.6 km/h) |
| 55 mph (88.51 km/h) | 56.46 mph (90.87 km/h) |
| 60 mph (96.56 km/h) | 61.59 mph (99.13 km/h) |
| 65 mph (104.61 km/h) | 66.73 mph (107.39 km/h) |
| 70 mph (112.65 km/h) | 71.86 mph (115.65 km/h) |
| 75 mph (120.7 km/h) | 76.99 mph (123.91 km/h) |
| 80 mph (128.75 km/h) | 82.12 mph (132.17 km/h) |
| 85 mph (136.79 km/h) | 87.26 mph (140.43 km/h) |
| 90 mph (144.84 km/h) | 92.39 mph (148.69 km/h) |
| 95 mph (152.89 km/h) | 97.52 mph (156.95 km/h) |
| 100 mph (160.93 km/h) | 102.66 mph (165.21 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
