Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 355/25-21 | 275/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (710.9) | 27.58 (700.5) | -0.41 (-10.4) -1.5% |
| Width inches (mm) | 13.98 (355) | 10.83 (275) | -3.15 (-80) -22.5% |
| Circum. inches (mm) | 87.93 (2233.36) | 86.64 (2200.69) | -1.29 (-32.67) -1.5% |
| Sidewall Height inches (mm) | 3.49 (88.75) | 3.79 (96.25) | 0.3 (7.5) 8.5% |
| Revolutions per mile (km) | 720.59 (447.76) | 731.29 (454.4) | 10.7 (6.65) 1.5% |
275/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.71 mph (31.72 km/h) |
| 25 mph (40.23 km/h) | 24.63 mph (39.65 km/h) |
| 30 mph (48.28 km/h) | 29.56 mph (47.57 km/h) |
| 35 mph (56.33 km/h) | 34.49 mph (55.5 km/h) |
| 40 mph (64.37 km/h) | 39.41 mph (63.43 km/h) |
| 45 mph (72.42 km/h) | 44.34 mph (71.36 km/h) |
| 50 mph (80.47 km/h) | 49.27 mph (79.29 km/h) |
| 55 mph (88.51 km/h) | 54.2 mph (87.22 km/h) |
| 60 mph (96.56 km/h) | 59.12 mph (95.15 km/h) |
| 65 mph (104.61 km/h) | 64.05 mph (103.08 km/h) |
| 70 mph (112.65 km/h) | 68.98 mph (111.01 km/h) |
| 75 mph (120.7 km/h) | 73.9 mph (118.94 km/h) |
| 80 mph (128.75 km/h) | 78.83 mph (126.86 km/h) |
| 85 mph (136.79 km/h) | 83.76 mph (134.79 km/h) |
| 90 mph (144.84 km/h) | 88.68 mph (142.72 km/h) |
| 95 mph (152.89 km/h) | 93.61 mph (150.65 km/h) |
| 100 mph (160.93 km/h) | 98.54 mph (158.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1861 | 2162 | 2328 | 2431 | 2542 | 2621 | 2708 | 2811 | 2954 | 3096 | 3255 | 3381 | 3611 | 3865 | 4063 | 4189 | 4260 | 4522 | 4886 | 5678 |
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