Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/25-20 | 275/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26 (660.5) | 27.58 (700.5) | 1.57 (40) 6.1% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 81.69 (2075.02) | 86.64 (2200.69) | 4.95 (125.66) 6.1% |
| Sidewall Height inches (mm) | 3 (76.25) | 3.79 (96.25) | 0.79 (20) 26.2% |
| Revolutions per mile (km) | 775.58 (481.92) | 731.29 (454.4) | -44.29 (-27.52) -5.7% |
275/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.21 mph (34.14 km/h) |
| 25 mph (40.23 km/h) | 26.51 mph (42.67 km/h) |
| 30 mph (48.28 km/h) | 31.82 mph (51.2 km/h) |
| 35 mph (56.33 km/h) | 37.12 mph (59.74 km/h) |
| 40 mph (64.37 km/h) | 42.42 mph (68.27 km/h) |
| 45 mph (72.42 km/h) | 47.73 mph (76.81 km/h) |
| 50 mph (80.47 km/h) | 53.03 mph (85.34 km/h) |
| 55 mph (88.51 km/h) | 58.33 mph (93.87 km/h) |
| 60 mph (96.56 km/h) | 63.63 mph (102.41 km/h) |
| 65 mph (104.61 km/h) | 68.94 mph (110.94 km/h) |
| 70 mph (112.65 km/h) | 74.24 mph (119.48 km/h) |
| 75 mph (120.7 km/h) | 79.54 mph (128.01 km/h) |
| 80 mph (128.75 km/h) | 84.84 mph (136.54 km/h) |
| 85 mph (136.79 km/h) | 90.15 mph (145.08 km/h) |
| 90 mph (144.84 km/h) | 95.45 mph (153.61 km/h) |
| 95 mph (152.89 km/h) | 100.75 mph (162.15 km/h) |
| 100 mph (160.93 km/h) | 106.06 mph (170.68 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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