Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-19 | 265/85-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.83 (757.6) | 37.74 (958.5) | 7.91 (200.9) 26.5% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 93.7 (2380.07) | 118.55 (3011.22) | 24.85 (631.15) 26.5% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 8.87 (225.25) | 3.45 (87.75) 63.8% |
| Revolutions per mile (km) | 676.17 (420.15) | 534.45 (332.09) | -141.73 (-88.06) -21% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.3 mph (40.72 km/h) |
| 25 mph (40.23 km/h) | 31.63 mph (50.9 km/h) |
| 30 mph (48.28 km/h) | 37.96 mph (61.08 km/h) |
| 35 mph (56.33 km/h) | 44.28 mph (71.26 km/h) |
| 40 mph (64.37 km/h) | 50.61 mph (81.44 km/h) |
| 45 mph (72.42 km/h) | 56.93 mph (91.63 km/h) |
| 50 mph (80.47 km/h) | 63.26 mph (101.81 km/h) |
| 55 mph (88.51 km/h) | 69.58 mph (111.99 km/h) |
| 60 mph (96.56 km/h) | 75.91 mph (122.17 km/h) |
| 65 mph (104.61 km/h) | 82.24 mph (132.35 km/h) |
| 70 mph (112.65 km/h) | 88.56 mph (142.53 km/h) |
| 75 mph (120.7 km/h) | 94.89 mph (152.71 km/h) |
| 80 mph (128.75 km/h) | 101.21 mph (162.89 km/h) |
| 85 mph (136.79 km/h) | 107.54 mph (173.07 km/h) |
| 90 mph (144.84 km/h) | 113.87 mph (183.25 km/h) |
| 95 mph (152.89 km/h) | 120.19 mph (193.43 km/h) |
| 100 mph (160.93 km/h) | 126.52 mph (203.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1360 | 1580 | 1702 | 1777 | 1858 | 1916 | 1979 | 2055 | 2159 | 2263 | 2379 | 2471 | 2639 | 2824 | 2969 | 3062 | 3114 | 3305 | 3571 | 4150 |
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