Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/65-20 | 265/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.07 (865.5) | 30.43 (773) | -3.64 (-92.5) -10.7% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 107.05 (2719.05) | 95.61 (2428.45) | -11.44 (-290.6) -10.7% |
| Sidewall Height inches (mm) | 7.04 (178.75) | 5.22 (132.5) | -1.82 (-46.25) -25.9% |
| Revolutions per mile (km) | 591.88 (367.78) | 662.7 (411.78) | 70.83 (44.01) 12% |
265/50-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.86 mph (28.75 km/h) |
| 25 mph (40.23 km/h) | 22.33 mph (35.93 km/h) |
| 30 mph (48.28 km/h) | 26.79 mph (43.12 km/h) |
| 35 mph (56.33 km/h) | 31.26 mph (50.31 km/h) |
| 40 mph (64.37 km/h) | 35.73 mph (57.49 km/h) |
| 45 mph (72.42 km/h) | 40.19 mph (64.68 km/h) |
| 50 mph (80.47 km/h) | 44.66 mph (71.87 km/h) |
| 55 mph (88.51 km/h) | 49.12 mph (79.05 km/h) |
| 60 mph (96.56 km/h) | 53.59 mph (86.24 km/h) |
| 65 mph (104.61 km/h) | 58.05 mph (93.43 km/h) |
| 70 mph (112.65 km/h) | 62.52 mph (100.61 km/h) |
| 75 mph (120.7 km/h) | 66.98 mph (107.8 km/h) |
| 80 mph (128.75 km/h) | 71.45 mph (114.99 km/h) |
| 85 mph (136.79 km/h) | 75.92 mph (122.17 km/h) |
| 90 mph (144.84 km/h) | 80.38 mph (129.36 km/h) |
| 95 mph (152.89 km/h) | 84.85 mph (136.55 km/h) |
| 100 mph (160.93 km/h) | 89.31 mph (143.73 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
