Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-20 | 265/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.83 (783) | 30.43 (773) | -0.39 (-10) -1.3% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 96.85 (2459.87) | 95.61 (2428.45) | -1.24 (-31.42) -1.3% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 5.22 (132.5) | -0.2 (-5) -3.6% |
| Revolutions per mile (km) | 654.24 (406.53) | 662.7 (411.78) | 8.46 (5.26) 1.3% |
265/50-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.74 mph (31.78 km/h) |
| 25 mph (40.23 km/h) | 24.68 mph (39.72 km/h) |
| 30 mph (48.28 km/h) | 29.62 mph (47.66 km/h) |
| 35 mph (56.33 km/h) | 34.55 mph (55.61 km/h) |
| 40 mph (64.37 km/h) | 39.49 mph (63.55 km/h) |
| 45 mph (72.42 km/h) | 44.43 mph (71.5 km/h) |
| 50 mph (80.47 km/h) | 49.36 mph (79.44 km/h) |
| 55 mph (88.51 km/h) | 54.3 mph (87.38 km/h) |
| 60 mph (96.56 km/h) | 59.23 mph (95.33 km/h) |
| 65 mph (104.61 km/h) | 64.17 mph (103.27 km/h) |
| 70 mph (112.65 km/h) | 69.11 mph (111.22 km/h) |
| 75 mph (120.7 km/h) | 74.04 mph (119.16 km/h) |
| 80 mph (128.75 km/h) | 78.98 mph (127.1 km/h) |
| 85 mph (136.79 km/h) | 83.91 mph (135.05 km/h) |
| 90 mph (144.84 km/h) | 88.85 mph (142.99 km/h) |
| 95 mph (152.89 km/h) | 93.79 mph (150.94 km/h) |
| 100 mph (160.93 km/h) | 98.72 mph (158.88 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
