Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/60-20 | 265/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.99 (838) | 30.43 (773) | -2.56 (-65) -7.8% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 103.65 (2632.65) | 95.61 (2428.45) | -8.04 (-204.2) -7.8% |
| Sidewall Height inches (mm) | 6.5 (165) | 5.22 (132.5) | -1.28 (-32.5) -19.7% |
| Revolutions per mile (km) | 611.3 (379.84) | 662.7 (411.78) | 51.4 (31.94) 8.4% |
265/50-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.45 mph (29.69 km/h) |
| 25 mph (40.23 km/h) | 23.06 mph (37.11 km/h) |
| 30 mph (48.28 km/h) | 27.67 mph (44.54 km/h) |
| 35 mph (56.33 km/h) | 32.29 mph (51.96 km/h) |
| 40 mph (64.37 km/h) | 36.9 mph (59.38 km/h) |
| 45 mph (72.42 km/h) | 41.51 mph (66.8 km/h) |
| 50 mph (80.47 km/h) | 46.12 mph (74.23 km/h) |
| 55 mph (88.51 km/h) | 50.73 mph (81.65 km/h) |
| 60 mph (96.56 km/h) | 55.35 mph (89.07 km/h) |
| 65 mph (104.61 km/h) | 59.96 mph (96.49 km/h) |
| 70 mph (112.65 km/h) | 64.57 mph (103.92 km/h) |
| 75 mph (120.7 km/h) | 69.18 mph (111.34 km/h) |
| 80 mph (128.75 km/h) | 73.79 mph (118.76 km/h) |
| 85 mph (136.79 km/h) | 78.41 mph (126.18 km/h) |
| 90 mph (144.84 km/h) | 83.02 mph (133.61 km/h) |
| 95 mph (152.89 km/h) | 87.63 mph (141.03 km/h) |
| 100 mph (160.93 km/h) | 92.24 mph (148.45 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
