Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/35-19 | 285/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.85 (682.1) | 27.98 (710.6) | 1.12 (28.5) 4.2% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 84.37 (2142.88) | 87.89 (2232.42) | 3.53 (89.54) 4.2% |
| Sidewall Height inches (mm) | 3.93 (99.75) | 4.49 (114) | 0.56 (14.25) 14.3% |
| Revolutions per mile (km) | 751.02 (466.66) | 720.9 (447.94) | -30.12 (-18.72) -4% |
285/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.84 mph (33.53 km/h) |
| 25 mph (40.23 km/h) | 26.04 mph (41.91 km/h) |
| 30 mph (48.28 km/h) | 31.25 mph (50.3 km/h) |
| 35 mph (56.33 km/h) | 36.46 mph (58.68 km/h) |
| 40 mph (64.37 km/h) | 41.67 mph (67.06 km/h) |
| 45 mph (72.42 km/h) | 46.88 mph (75.45 km/h) |
| 50 mph (80.47 km/h) | 52.09 mph (83.83 km/h) |
| 55 mph (88.51 km/h) | 57.3 mph (92.21 km/h) |
| 60 mph (96.56 km/h) | 62.51 mph (100.6 km/h) |
| 65 mph (104.61 km/h) | 67.72 mph (108.98 km/h) |
| 70 mph (112.65 km/h) | 72.92 mph (117.36 km/h) |
| 75 mph (120.7 km/h) | 78.13 mph (125.74 km/h) |
| 80 mph (128.75 km/h) | 83.34 mph (134.13 km/h) |
| 85 mph (136.79 km/h) | 88.55 mph (142.51 km/h) |
| 90 mph (144.84 km/h) | 93.76 mph (150.89 km/h) |
| 95 mph (152.89 km/h) | 98.97 mph (159.28 km/h) |
| 100 mph (160.93 km/h) | 104.18 mph (167.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1835 | 2131 | 2295 | 2397 | 2506 | 2584 | 2670 | 2771 | 2912 | 3052 | 3209 | 3333 | 3560 | 3810 | 4005 | 4130 | 4200 | 4458 | 4817 | 5597 |
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