Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16 | 265/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.47 (773.9) | 31.48 (799.5) | 1.01 (25.6) 3.3% |
| Width inches (mm) | 9.65 (245) | 10.43 (265) | 0.79 (20) 8.2% |
| Circum. inches (mm) | 95.72 (2431.28) | 98.89 (2511.7) | 3.17 (80.42) 3.3% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 5.74 (145.75) | -1.5 (-38) -20.7% |
| Revolutions per mile (km) | 661.93 (411.31) | 640.74 (398.14) | -21.2 (-13.17) -3.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.66 mph (33.25 km/h) |
| 25 mph (40.23 km/h) | 25.83 mph (41.56 km/h) |
| 30 mph (48.28 km/h) | 30.99 mph (49.88 km/h) |
| 35 mph (56.33 km/h) | 36.16 mph (58.19 km/h) |
| 40 mph (64.37 km/h) | 41.32 mph (66.5 km/h) |
| 45 mph (72.42 km/h) | 46.49 mph (74.82 km/h) |
| 50 mph (80.47 km/h) | 51.65 mph (83.13 km/h) |
| 55 mph (88.51 km/h) | 56.82 mph (91.44 km/h) |
| 60 mph (96.56 km/h) | 61.98 mph (99.75 km/h) |
| 65 mph (104.61 km/h) | 67.15 mph (108.07 km/h) |
| 70 mph (112.65 km/h) | 72.32 mph (116.38 km/h) |
| 75 mph (120.7 km/h) | 77.48 mph (124.69 km/h) |
| 80 mph (128.75 km/h) | 82.65 mph (133.01 km/h) |
| 85 mph (136.79 km/h) | 87.81 mph (141.32 km/h) |
| 90 mph (144.84 km/h) | 92.98 mph (149.63 km/h) |
| 95 mph (152.89 km/h) | 98.14 mph (157.95 km/h) |
| 100 mph (160.93 km/h) | 103.31 mph (166.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1631 | 1894 | 2040 | 2130 | 2227 | 2297 | 2373 | 2463 | 2588 | 2713 | 2852 | 2963 | 3164 | 3386 | 3559 | 3670 | 3733 | 3962 | 4281 | 4975 |
Better Fuel Economy Factory Ratios Increased Power
