Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/60-19 | 275/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.27 (692.6) | 31.91 (810.5) | 4.64 (117.9) 17% |
| Width inches (mm) | 6.89 (175) | 10.83 (275) | 3.94 (100) 57.1% |
| Circum. inches (mm) | 85.66 (2175.87) | 100.25 (2546.26) | 14.58 (370.39) 17% |
| Sidewall Height inches (mm) | 4.13 (105) | 5.95 (151.25) | 1.82 (46.25) 44% |
| Revolutions per mile (km) | 739.63 (459.59) | 632.04 (392.73) | -107.59 (-66.85) -14.5% |
275/55-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.4 mph (37.67 km/h) |
| 25 mph (40.23 km/h) | 29.26 mph (47.08 km/h) |
| 30 mph (48.28 km/h) | 35.11 mph (56.5 km/h) |
| 35 mph (56.33 km/h) | 40.96 mph (65.92 km/h) |
| 40 mph (64.37 km/h) | 46.81 mph (75.33 km/h) |
| 45 mph (72.42 km/h) | 52.66 mph (84.75 km/h) |
| 50 mph (80.47 km/h) | 58.51 mph (94.17 km/h) |
| 55 mph (88.51 km/h) | 64.36 mph (103.58 km/h) |
| 60 mph (96.56 km/h) | 70.21 mph (113 km/h) |
| 65 mph (104.61 km/h) | 76.06 mph (122.41 km/h) |
| 70 mph (112.65 km/h) | 81.92 mph (131.83 km/h) |
| 75 mph (120.7 km/h) | 87.77 mph (141.25 km/h) |
| 80 mph (128.75 km/h) | 93.62 mph (150.66 km/h) |
| 85 mph (136.79 km/h) | 99.47 mph (160.08 km/h) |
| 90 mph (144.84 km/h) | 105.32 mph (169.5 km/h) |
| 95 mph (152.89 km/h) | 111.17 mph (178.91 km/h) |
| 100 mph (160.93 km/h) | 117.02 mph (188.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1608 | 1869 | 2012 | 2101 | 2197 | 2265 | 2341 | 2430 | 2553 | 2676 | 2813 | 2923 | 3121 | 3340 | 3511 | 3621 | 3682 | 3908 | 4223 | 4907 |
Better Fuel Economy Factory Ratios Increased Power
