Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/30-19 | 275/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.73 (653.6) | 25.5 (647.6) | -0.24 (-6) -0.9% |
| Width inches (mm) | 11.22 (285) | 10.83 (275) | -0.39 (-10) -3.5% |
| Circum. inches (mm) | 80.84 (2053.34) | 80.1 (2034.5) | -0.74 (-18.85) -0.9% |
| Sidewall Height inches (mm) | 3.37 (85.5) | 3.25 (82.5) | -0.12 (-3) -3.5% |
| Revolutions per mile (km) | 783.77 (487.01) | 791.03 (491.52) | 7.26 (4.51) 0.9% |
275/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.82 mph (31.89 km/h) |
| 25 mph (40.23 km/h) | 24.77 mph (39.86 km/h) |
| 30 mph (48.28 km/h) | 29.72 mph (47.84 km/h) |
| 35 mph (56.33 km/h) | 34.68 mph (55.81 km/h) |
| 40 mph (64.37 km/h) | 39.63 mph (63.78 km/h) |
| 45 mph (72.42 km/h) | 44.59 mph (71.76 km/h) |
| 50 mph (80.47 km/h) | 49.54 mph (79.73 km/h) |
| 55 mph (88.51 km/h) | 54.5 mph (87.7 km/h) |
| 60 mph (96.56 km/h) | 59.45 mph (95.67 km/h) |
| 65 mph (104.61 km/h) | 64.4 mph (103.65 km/h) |
| 70 mph (112.65 km/h) | 69.36 mph (111.62 km/h) |
| 75 mph (120.7 km/h) | 74.31 mph (119.59 km/h) |
| 80 mph (128.75 km/h) | 79.27 mph (127.57 km/h) |
| 85 mph (136.79 km/h) | 84.22 mph (135.54 km/h) |
| 90 mph (144.84 km/h) | 89.17 mph (143.51 km/h) |
| 95 mph (152.89 km/h) | 94.13 mph (151.48 km/h) |
| 100 mph (160.93 km/h) | 99.08 mph (159.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 2339 | 2518 | 2630 | 2750 | 2835 | 2930 | 3041 | 3195 | 3349 | 3521 | 3658 | 3906 | 4180 | 4394 | 4531 | 4609 | 4891 | 5285 | 6142 |
Better Fuel Economy Factory Ratios Increased Power
