Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/60-20 | 285/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.94 (862) | 34.59 (878.5) | 0.65 (16.5) 1.9% |
| Width inches (mm) | 11.61 (295) | 11.22 (285) | -0.39 (-10) -3.4% |
| Circum. inches (mm) | 106.62 (2708.05) | 108.66 (2759.89) | 2.04 (51.84) 1.9% |
| Sidewall Height inches (mm) | 6.97 (177) | 7.29 (185.25) | 0.32 (8.25) 4.7% |
| Revolutions per mile (km) | 594.28 (369.27) | 583.12 (362.33) | -11.16 (-6.94) -1.9% |
285/65-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.38 mph (32.8 km/h) |
| 25 mph (40.23 km/h) | 25.48 mph (41 km/h) |
| 30 mph (48.28 km/h) | 30.57 mph (49.2 km/h) |
| 35 mph (56.33 km/h) | 35.67 mph (57.41 km/h) |
| 40 mph (64.37 km/h) | 40.77 mph (65.61 km/h) |
| 45 mph (72.42 km/h) | 45.86 mph (73.81 km/h) |
| 50 mph (80.47 km/h) | 50.96 mph (82.01 km/h) |
| 55 mph (88.51 km/h) | 56.05 mph (90.21 km/h) |
| 60 mph (96.56 km/h) | 61.15 mph (98.41 km/h) |
| 65 mph (104.61 km/h) | 66.24 mph (106.61 km/h) |
| 70 mph (112.65 km/h) | 71.34 mph (114.81 km/h) |
| 75 mph (120.7 km/h) | 76.44 mph (123.01 km/h) |
| 80 mph (128.75 km/h) | 81.53 mph (131.21 km/h) |
| 85 mph (136.79 km/h) | 86.63 mph (139.41 km/h) |
| 90 mph (144.84 km/h) | 91.72 mph (147.61 km/h) |
| 95 mph (152.89 km/h) | 96.82 mph (155.81 km/h) |
| 100 mph (160.93 km/h) | 101.91 mph (164.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1484 | 1724 | 1856 | 1939 | 2027 | 2090 | 2160 | 2242 | 2355 | 2469 | 2595 | 2696 | 2879 | 3082 | 3239 | 3340 | 3397 | 3606 | 3896 | 4528 |
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