Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-16 | 275/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.47 (926.4) | 32.99 (838) | -3.48 (-88.4) -9.5% |
| Width inches (mm) | 12.8 (325) | 10.83 (275) | -1.97 (-50) -15.4% |
| Circum. inches (mm) | 114.58 (2910.37) | 103.65 (2632.65) | -10.93 (-277.72) -9.5% |
| Sidewall Height inches (mm) | 10.24 (260) | 6.5 (165) | -3.74 (-95) -36.5% |
| Revolutions per mile (km) | 552.97 (343.6) | 611.3 (379.84) | 58.33 (36.25) 10.5% |
275/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.09 mph (29.12 km/h) |
| 25 mph (40.23 km/h) | 22.61 mph (36.39 km/h) |
| 30 mph (48.28 km/h) | 27.14 mph (43.67 km/h) |
| 35 mph (56.33 km/h) | 31.66 mph (50.95 km/h) |
| 40 mph (64.37 km/h) | 36.18 mph (58.23 km/h) |
| 45 mph (72.42 km/h) | 40.71 mph (65.51 km/h) |
| 50 mph (80.47 km/h) | 45.23 mph (72.79 km/h) |
| 55 mph (88.51 km/h) | 49.75 mph (80.07 km/h) |
| 60 mph (96.56 km/h) | 54.27 mph (87.35 km/h) |
| 65 mph (104.61 km/h) | 58.8 mph (94.63 km/h) |
| 70 mph (112.65 km/h) | 63.32 mph (101.9 km/h) |
| 75 mph (120.7 km/h) | 67.84 mph (109.18 km/h) |
| 80 mph (128.75 km/h) | 72.37 mph (116.46 km/h) |
| 85 mph (136.79 km/h) | 76.89 mph (123.74 km/h) |
| 90 mph (144.84 km/h) | 81.41 mph (131.02 km/h) |
| 95 mph (152.89 km/h) | 85.93 mph (138.3 km/h) |
| 100 mph (160.93 km/h) | 90.46 mph (145.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1556 | 1807 | 1946 | 2032 | 2125 | 2191 | 2264 | 2350 | 2469 | 2588 | 2721 | 2827 | 3019 | 3230 | 3396 | 3502 | 3561 | 3780 | 4084 | 4746 |
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