Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-16 | 275/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.88 (784.4) | 32.99 (838) | 2.11 (53.6) 6.8% |
| Width inches (mm) | 10.63 (270) | 10.83 (275) | 0.2 (5) 1.9% |
| Circum. inches (mm) | 97.02 (2464.27) | 103.65 (2632.65) | 6.63 (168.39) 6.8% |
| Sidewall Height inches (mm) | 7.44 (189) | 6.5 (165) | -0.94 (-24) -12.7% |
| Revolutions per mile (km) | 653.07 (405.8) | 611.3 (379.84) | -41.77 (-25.96) -6.4% |
275/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.37 mph (34.39 km/h) |
| 25 mph (40.23 km/h) | 26.71 mph (42.98 km/h) |
| 30 mph (48.28 km/h) | 32.05 mph (51.58 km/h) |
| 35 mph (56.33 km/h) | 37.39 mph (60.18 km/h) |
| 40 mph (64.37 km/h) | 42.73 mph (68.77 km/h) |
| 45 mph (72.42 km/h) | 48.07 mph (77.37 km/h) |
| 50 mph (80.47 km/h) | 53.42 mph (85.97 km/h) |
| 55 mph (88.51 km/h) | 58.76 mph (94.56 km/h) |
| 60 mph (96.56 km/h) | 64.1 mph (103.16 km/h) |
| 65 mph (104.61 km/h) | 69.44 mph (111.76 km/h) |
| 70 mph (112.65 km/h) | 74.78 mph (120.35 km/h) |
| 75 mph (120.7 km/h) | 80.12 mph (128.95 km/h) |
| 80 mph (128.75 km/h) | 85.47 mph (137.55 km/h) |
| 85 mph (136.79 km/h) | 90.81 mph (146.14 km/h) |
| 90 mph (144.84 km/h) | 96.15 mph (154.74 km/h) |
| 95 mph (152.89 km/h) | 101.49 mph (163.34 km/h) |
| 100 mph (160.93 km/h) | 106.83 mph (171.93 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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