Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/35-20 | 285/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.13 (714.5) | 28.98 (736) | 0.85 (21.5) 3% |
| Width inches (mm) | 11.61 (295) | 11.22 (285) | -0.39 (-10) -3.4% |
| Circum. inches (mm) | 88.37 (2244.67) | 91.03 (2312.21) | 2.66 (67.54) 3% |
| Sidewall Height inches (mm) | 4.06 (103.25) | 4.49 (114) | 0.42 (10.75) 10.4% |
| Revolutions per mile (km) | 716.96 (445.5) | 696.02 (432.49) | -20.94 (-13.01) -2.9% |
285/40-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.6 mph (33.16 km/h) |
| 25 mph (40.23 km/h) | 25.75 mph (41.44 km/h) |
| 30 mph (48.28 km/h) | 30.9 mph (49.73 km/h) |
| 35 mph (56.33 km/h) | 36.05 mph (58.02 km/h) |
| 40 mph (64.37 km/h) | 41.2 mph (66.31 km/h) |
| 45 mph (72.42 km/h) | 46.35 mph (74.6 km/h) |
| 50 mph (80.47 km/h) | 51.5 mph (82.89 km/h) |
| 55 mph (88.51 km/h) | 56.66 mph (91.18 km/h) |
| 60 mph (96.56 km/h) | 61.81 mph (99.47 km/h) |
| 65 mph (104.61 km/h) | 66.96 mph (107.76 km/h) |
| 70 mph (112.65 km/h) | 72.11 mph (116.04 km/h) |
| 75 mph (120.7 km/h) | 77.26 mph (124.33 km/h) |
| 80 mph (128.75 km/h) | 82.41 mph (132.62 km/h) |
| 85 mph (136.79 km/h) | 87.56 mph (140.91 km/h) |
| 90 mph (144.84 km/h) | 92.71 mph (149.2 km/h) |
| 95 mph (152.89 km/h) | 97.86 mph (157.49 km/h) |
| 100 mph (160.93 km/h) | 103.01 mph (165.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1771 | 2058 | 2216 | 2314 | 2419 | 2495 | 2578 | 2676 | 2811 | 2947 | 3098 | 3218 | 3437 | 3678 | 3867 | 3987 | 4055 | 4304 | 4650 | 5404 |
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