Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-18 | 285/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.47 (697.7) | 26.85 (682.1) | -0.61 (-15.6) -2.2% |
| Width inches (mm) | 7.28 (185) | 11.22 (285) | 3.94 (100) 54.1% |
| Circum. inches (mm) | 86.29 (2191.89) | 84.37 (2142.88) | -1.93 (-49.01) -2.2% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 3.93 (99.75) | -0.81 (-20.5) -17% |
| Revolutions per mile (km) | 734.23 (456.23) | 751.02 (466.66) | 16.79 (10.43) 2.3% |
285/35-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.55 mph (31.47 km/h) |
| 25 mph (40.23 km/h) | 24.44 mph (39.33 km/h) |
| 30 mph (48.28 km/h) | 29.33 mph (47.2 km/h) |
| 35 mph (56.33 km/h) | 34.22 mph (55.07 km/h) |
| 40 mph (64.37 km/h) | 39.11 mph (62.93 km/h) |
| 45 mph (72.42 km/h) | 43.99 mph (70.8 km/h) |
| 50 mph (80.47 km/h) | 48.88 mph (78.67 km/h) |
| 55 mph (88.51 km/h) | 53.77 mph (86.53 km/h) |
| 60 mph (96.56 km/h) | 58.66 mph (94.4 km/h) |
| 65 mph (104.61 km/h) | 63.55 mph (102.27 km/h) |
| 70 mph (112.65 km/h) | 68.43 mph (110.14 km/h) |
| 75 mph (120.7 km/h) | 73.32 mph (118 km/h) |
| 80 mph (128.75 km/h) | 78.21 mph (125.87 km/h) |
| 85 mph (136.79 km/h) | 83.1 mph (133.74 km/h) |
| 90 mph (144.84 km/h) | 87.99 mph (141.6 km/h) |
| 95 mph (152.89 km/h) | 92.88 mph (149.47 km/h) |
| 100 mph (160.93 km/h) | 97.76 mph (157.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | 2220 | 2391 | 2497 | 2611 | 2692 | 2781 | 2887 | 3034 | 3180 | 3343 | 3473 | 3709 | 3969 | 4172 | 4302 | 4375 | 4644 | 5018 | 5831 |
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