Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 265/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 31.48 (799.5) | 6.06 (154) 23.9% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 79.84 (2027.9) | 98.89 (2511.7) | 19.05 (483.81) 23.9% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 5.74 (145.75) | 3.03 (77) 112% |
| Revolutions per mile (km) | 793.6 (493.12) | 640.74 (398.14) | -152.86 (-94.99) -19.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.77 mph (39.87 km/h) |
| 25 mph (40.23 km/h) | 30.96 mph (49.83 km/h) |
| 30 mph (48.28 km/h) | 37.16 mph (59.8 km/h) |
| 35 mph (56.33 km/h) | 43.35 mph (69.77 km/h) |
| 40 mph (64.37 km/h) | 49.54 mph (79.73 km/h) |
| 45 mph (72.42 km/h) | 55.74 mph (89.7 km/h) |
| 50 mph (80.47 km/h) | 61.93 mph (99.66 km/h) |
| 55 mph (88.51 km/h) | 68.12 mph (109.63 km/h) |
| 60 mph (96.56 km/h) | 74.31 mph (119.6 km/h) |
| 65 mph (104.61 km/h) | 80.51 mph (129.56 km/h) |
| 70 mph (112.65 km/h) | 86.7 mph (139.53 km/h) |
| 75 mph (120.7 km/h) | 92.89 mph (149.5 km/h) |
| 80 mph (128.75 km/h) | 99.09 mph (159.46 km/h) |
| 85 mph (136.79 km/h) | 105.28 mph (169.43 km/h) |
| 90 mph (144.84 km/h) | 111.47 mph (179.4 km/h) |
| 95 mph (152.89 km/h) | 117.66 mph (189.36 km/h) |
| 100 mph (160.93 km/h) | 123.86 mph (199.33 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
