Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/40-20 | 275/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.35 (720) | 27.58 (700.5) | -0.77 (-19.5) -2.7% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 89.05 (2261.95) | 86.64 (2200.69) | -2.41 (-61.26) -2.7% |
| Sidewall Height inches (mm) | 4.17 (106) | 3.79 (96.25) | -0.38 (-9.75) -9.2% |
| Revolutions per mile (km) | 711.49 (442.1) | 731.29 (454.4) | 19.81 (12.31) 2.8% |
275/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.46 mph (31.32 km/h) |
| 25 mph (40.23 km/h) | 24.32 mph (39.14 km/h) |
| 30 mph (48.28 km/h) | 29.19 mph (46.97 km/h) |
| 35 mph (56.33 km/h) | 34.05 mph (54.8 km/h) |
| 40 mph (64.37 km/h) | 38.92 mph (62.63 km/h) |
| 45 mph (72.42 km/h) | 43.78 mph (70.46 km/h) |
| 50 mph (80.47 km/h) | 48.65 mph (78.29 km/h) |
| 55 mph (88.51 km/h) | 53.51 mph (86.12 km/h) |
| 60 mph (96.56 km/h) | 58.38 mph (93.95 km/h) |
| 65 mph (104.61 km/h) | 63.24 mph (101.77 km/h) |
| 70 mph (112.65 km/h) | 68.1 mph (109.6 km/h) |
| 75 mph (120.7 km/h) | 72.97 mph (117.43 km/h) |
| 80 mph (128.75 km/h) | 77.83 mph (125.26 km/h) |
| 85 mph (136.79 km/h) | 82.7 mph (133.09 km/h) |
| 90 mph (144.84 km/h) | 87.56 mph (140.92 km/h) |
| 95 mph (152.89 km/h) | 92.43 mph (148.75 km/h) |
| 100 mph (160.93 km/h) | 97.29 mph (156.58 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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