Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/40-19 | 285/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.66 (702.6) | 26.85 (682.1) | -0.81 (-20.5) -2.9% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 86.9 (2207.28) | 84.37 (2142.88) | -2.54 (-64.4) -2.9% |
| Sidewall Height inches (mm) | 4.33 (110) | 3.93 (99.75) | -0.4 (-10.25) -9.3% |
| Revolutions per mile (km) | 729.11 (453.04) | 751.02 (466.66) | 21.91 (13.62) 3% |
285/35-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.42 mph (31.25 km/h) |
| 25 mph (40.23 km/h) | 24.27 mph (39.06 km/h) |
| 30 mph (48.28 km/h) | 29.12 mph (46.87 km/h) |
| 35 mph (56.33 km/h) | 33.98 mph (54.68 km/h) |
| 40 mph (64.37 km/h) | 38.83 mph (62.5 km/h) |
| 45 mph (72.42 km/h) | 43.69 mph (70.31 km/h) |
| 50 mph (80.47 km/h) | 48.54 mph (78.12 km/h) |
| 55 mph (88.51 km/h) | 53.4 mph (85.93 km/h) |
| 60 mph (96.56 km/h) | 58.25 mph (93.74 km/h) |
| 65 mph (104.61 km/h) | 63.1 mph (101.56 km/h) |
| 70 mph (112.65 km/h) | 67.96 mph (109.37 km/h) |
| 75 mph (120.7 km/h) | 72.81 mph (117.18 km/h) |
| 80 mph (128.75 km/h) | 77.67 mph (124.99 km/h) |
| 85 mph (136.79 km/h) | 82.52 mph (132.8 km/h) |
| 90 mph (144.84 km/h) | 87.37 mph (140.62 km/h) |
| 95 mph (152.89 km/h) | 92.23 mph (148.43 km/h) |
| 100 mph (160.93 km/h) | 97.08 mph (156.24 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 |
Better Fuel Economy Factory Ratios Increased Power
