Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-21 | 285/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.41 (670.9) | 26.85 (682.1) | 0.44 (11.2) 1.7% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 82.98 (2107.69) | 84.37 (2142.88) | 1.39 (35.19) 1.7% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 3.93 (99.75) | 1.22 (31) 45.1% |
| Revolutions per mile (km) | 763.56 (474.45) | 751.02 (466.66) | -12.54 (-7.79) -1.6% |
285/35-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.33 mph (32.72 km/h) |
| 25 mph (40.23 km/h) | 25.42 mph (40.91 km/h) |
| 30 mph (48.28 km/h) | 30.5 mph (49.09 km/h) |
| 35 mph (56.33 km/h) | 35.58 mph (57.27 km/h) |
| 40 mph (64.37 km/h) | 40.67 mph (65.45 km/h) |
| 45 mph (72.42 km/h) | 45.75 mph (73.63 km/h) |
| 50 mph (80.47 km/h) | 50.83 mph (81.81 km/h) |
| 55 mph (88.51 km/h) | 55.92 mph (89.99 km/h) |
| 60 mph (96.56 km/h) | 61 mph (98.17 km/h) |
| 65 mph (104.61 km/h) | 66.09 mph (106.35 km/h) |
| 70 mph (112.65 km/h) | 71.17 mph (114.53 km/h) |
| 75 mph (120.7 km/h) | 76.25 mph (122.72 km/h) |
| 80 mph (128.75 km/h) | 81.34 mph (130.9 km/h) |
| 85 mph (136.79 km/h) | 86.42 mph (139.08 km/h) |
| 90 mph (144.84 km/h) | 91.5 mph (147.26 km/h) |
| 95 mph (152.89 km/h) | 96.59 mph (155.44 km/h) |
| 100 mph (160.93 km/h) | 101.67 mph (163.62 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
