Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/50-20 | 265/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.43 (773) | 33.56 (852.5) | 3.13 (79.5) 10.3% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 95.61 (2428.45) | 105.44 (2678.21) | 9.83 (249.76) 10.3% |
| Sidewall Height inches (mm) | 5.22 (132.5) | 6.78 (172.25) | 1.56 (39.75) 30% |
| Revolutions per mile (km) | 662.7 (411.78) | 600.9 (373.38) | -61.8 (-38.4) -9.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.06 mph (35.5 km/h) |
| 25 mph (40.23 km/h) | 27.57 mph (44.37 km/h) |
| 30 mph (48.28 km/h) | 33.09 mph (53.25 km/h) |
| 35 mph (56.33 km/h) | 38.6 mph (62.12 km/h) |
| 40 mph (64.37 km/h) | 44.11 mph (70.99 km/h) |
| 45 mph (72.42 km/h) | 49.63 mph (79.87 km/h) |
| 50 mph (80.47 km/h) | 55.14 mph (88.74 km/h) |
| 55 mph (88.51 km/h) | 60.66 mph (97.62 km/h) |
| 60 mph (96.56 km/h) | 66.17 mph (106.49 km/h) |
| 65 mph (104.61 km/h) | 71.68 mph (115.37 km/h) |
| 70 mph (112.65 km/h) | 77.2 mph (124.24 km/h) |
| 75 mph (120.7 km/h) | 82.71 mph (133.11 km/h) |
| 80 mph (128.75 km/h) | 88.23 mph (141.99 km/h) |
| 85 mph (136.79 km/h) | 93.74 mph (150.86 km/h) |
| 90 mph (144.84 km/h) | 99.26 mph (159.74 km/h) |
| 95 mph (152.89 km/h) | 104.77 mph (168.61 km/h) |
| 100 mph (160.93 km/h) | 110.28 mph (177.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1529 | 1776 | 1913 | 1998 | 2089 | 2154 | 2225 | 2310 | 2427 | 2544 | 2674 | 2779 | 2967 | 3175 | 3338 | 3442 | 3501 | 3716 | 4015 | 4666 |
Better Fuel Economy Factory Ratios Increased Power
