Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-19 | 275/85-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.83 (757.6) | 38.41 (975.5) | 8.58 (217.9) 28.8% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 93.7 (2380.07) | 120.65 (3064.62) | 26.95 (684.55) 28.8% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 9.2 (233.75) | 3.79 (96.25) 70% |
| Revolutions per mile (km) | 676.17 (420.15) | 525.14 (326.3) | -151.04 (-93.85) -22.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.75 mph (41.44 km/h) |
| 25 mph (40.23 km/h) | 32.19 mph (51.81 km/h) |
| 30 mph (48.28 km/h) | 38.63 mph (62.17 km/h) |
| 35 mph (56.33 km/h) | 45.07 mph (72.53 km/h) |
| 40 mph (64.37 km/h) | 51.5 mph (82.89 km/h) |
| 45 mph (72.42 km/h) | 57.94 mph (93.25 km/h) |
| 50 mph (80.47 km/h) | 64.38 mph (103.61 km/h) |
| 55 mph (88.51 km/h) | 70.82 mph (113.97 km/h) |
| 60 mph (96.56 km/h) | 77.26 mph (124.33 km/h) |
| 65 mph (104.61 km/h) | 83.7 mph (134.69 km/h) |
| 70 mph (112.65 km/h) | 90.13 mph (145.06 km/h) |
| 75 mph (120.7 km/h) | 96.57 mph (155.42 km/h) |
| 80 mph (128.75 km/h) | 103.01 mph (165.78 km/h) |
| 85 mph (136.79 km/h) | 109.45 mph (176.14 km/h) |
| 90 mph (144.84 km/h) | 115.89 mph (186.5 km/h) |
| 95 mph (152.89 km/h) | 122.32 mph (196.86 km/h) |
| 100 mph (160.93 km/h) | 128.76 mph (207.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1336 | 1552 | 1672 | 1746 | 1825 | 1882 | 1945 | 2019 | 2121 | 2223 | 2337 | 2428 | 2593 | 2775 | 2917 | 3008 | 3059 | 3247 | 3509 | 4077 |
Better Fuel Economy Factory Ratios Increased Power
