Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/30-20 | 275/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.73 (679) | 26.58 (675.1) | -0.15 (-3.9) -0.6% |
| Width inches (mm) | 11.22 (285) | 10.83 (275) | -0.39 (-10) -3.5% |
| Circum. inches (mm) | 83.98 (2133.14) | 83.5 (2120.89) | -0.48 (-12.25) -0.6% |
| Sidewall Height inches (mm) | 3.37 (85.5) | 3.79 (96.25) | 0.42 (10.75) 12.6% |
| Revolutions per mile (km) | 754.45 (468.79) | 758.81 (471.5) | 4.36 (2.71) 0.6% |
275/35-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.89 mph (32 km/h) |
| 25 mph (40.23 km/h) | 24.86 mph (40 km/h) |
| 30 mph (48.28 km/h) | 29.83 mph (48 km/h) |
| 35 mph (56.33 km/h) | 34.8 mph (56 km/h) |
| 40 mph (64.37 km/h) | 39.77 mph (64 km/h) |
| 45 mph (72.42 km/h) | 44.74 mph (72 km/h) |
| 50 mph (80.47 km/h) | 49.71 mph (80.01 km/h) |
| 55 mph (88.51 km/h) | 54.68 mph (88.01 km/h) |
| 60 mph (96.56 km/h) | 59.66 mph (96.01 km/h) |
| 65 mph (104.61 km/h) | 64.63 mph (104.01 km/h) |
| 70 mph (112.65 km/h) | 69.6 mph (112.01 km/h) |
| 75 mph (120.7 km/h) | 74.57 mph (120.01 km/h) |
| 80 mph (128.75 km/h) | 79.54 mph (128.01 km/h) |
| 85 mph (136.79 km/h) | 84.51 mph (136.01 km/h) |
| 90 mph (144.84 km/h) | 89.48 mph (144.01 km/h) |
| 95 mph (152.89 km/h) | 94.45 mph (152.01 km/h) |
| 100 mph (160.93 km/h) | 99.43 mph (160.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1931 | 2243 | 2416 | 2523 | 2638 | 2720 | 2810 | 2917 | 3065 | 3213 | 3377 | 3509 | 3747 | 4010 | 4215 | 4347 | 4421 | 4692 | 5070 | 5892 |
Better Fuel Economy Factory Ratios Increased Power
