Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/40-19 | 285/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.56 (674.6) | 26.85 (682.1) | 0.3 (7.5) 1.1% |
| Width inches (mm) | 9.45 (240) | 11.22 (285) | 1.77 (45) 18.8% |
| Circum. inches (mm) | 83.44 (2119.32) | 84.37 (2142.88) | 0.93 (23.56) 1.1% |
| Sidewall Height inches (mm) | 3.78 (96) | 3.93 (99.75) | 0.15 (3.75) 3.9% |
| Revolutions per mile (km) | 759.37 (471.85) | 751.02 (466.66) | -8.35 (-5.19) -1.1% |
285/35-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.22 mph (32.54 km/h) |
| 25 mph (40.23 km/h) | 25.28 mph (40.68 km/h) |
| 30 mph (48.28 km/h) | 30.33 mph (48.82 km/h) |
| 35 mph (56.33 km/h) | 35.39 mph (56.95 km/h) |
| 40 mph (64.37 km/h) | 40.44 mph (65.09 km/h) |
| 45 mph (72.42 km/h) | 45.5 mph (73.23 km/h) |
| 50 mph (80.47 km/h) | 50.56 mph (81.36 km/h) |
| 55 mph (88.51 km/h) | 55.61 mph (89.5 km/h) |
| 60 mph (96.56 km/h) | 60.67 mph (97.63 km/h) |
| 65 mph (104.61 km/h) | 65.72 mph (105.77 km/h) |
| 70 mph (112.65 km/h) | 70.78 mph (113.91 km/h) |
| 75 mph (120.7 km/h) | 75.83 mph (122.04 km/h) |
| 80 mph (128.75 km/h) | 80.89 mph (130.18 km/h) |
| 85 mph (136.79 km/h) | 85.95 mph (138.32 km/h) |
| 90 mph (144.84 km/h) | 91 mph (146.45 km/h) |
| 95 mph (152.89 km/h) | 96.06 mph (154.59 km/h) |
| 100 mph (160.93 km/h) | 101.11 mph (162.72 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
