Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-19 | 285/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.92 (734.6) | 26.85 (682.1) | -2.07 (-52.5) -7.1% |
| Width inches (mm) | 12.4 (315) | 11.22 (285) | -1.18 (-30) -9.5% |
| Circum. inches (mm) | 90.86 (2307.81) | 84.37 (2142.88) | -6.49 (-164.93) -7.1% |
| Sidewall Height inches (mm) | 4.96 (126) | 3.93 (99.75) | -1.03 (-26.25) -20.8% |
| Revolutions per mile (km) | 697.35 (433.31) | 751.02 (466.66) | 53.67 (33.35) 7.7% |
285/35-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.57 mph (29.89 km/h) |
| 25 mph (40.23 km/h) | 23.21 mph (37.36 km/h) |
| 30 mph (48.28 km/h) | 27.86 mph (44.83 km/h) |
| 35 mph (56.33 km/h) | 32.5 mph (52.3 km/h) |
| 40 mph (64.37 km/h) | 37.14 mph (59.77 km/h) |
| 45 mph (72.42 km/h) | 41.78 mph (67.24 km/h) |
| 50 mph (80.47 km/h) | 46.43 mph (74.72 km/h) |
| 55 mph (88.51 km/h) | 51.07 mph (82.19 km/h) |
| 60 mph (96.56 km/h) | 55.71 mph (89.66 km/h) |
| 65 mph (104.61 km/h) | 60.35 mph (97.13 km/h) |
| 70 mph (112.65 km/h) | 65 mph (104.6 km/h) |
| 75 mph (120.7 km/h) | 69.64 mph (112.07 km/h) |
| 80 mph (128.75 km/h) | 74.28 mph (119.55 km/h) |
| 85 mph (136.79 km/h) | 78.93 mph (127.02 km/h) |
| 90 mph (144.84 km/h) | 83.57 mph (134.49 km/h) |
| 95 mph (152.89 km/h) | 88.21 mph (141.96 km/h) |
| 100 mph (160.93 km/h) | 92.85 mph (149.43 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
