Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-19 | 300/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.83 (757.6) | 29.63 (752.6) | -0.2 (-5) -0.7% |
| Width inches (mm) | 10.83 (275) | 11.81 (300) | 0.98 (25) 9.1% |
| Circum. inches (mm) | 93.7 (2380.07) | 93.09 (2364.36) | -0.62 (-15.71) -0.7% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 5.31 (135) | -0.1 (-2.5) -1.8% |
| Revolutions per mile (km) | 676.17 (420.15) | 680.67 (422.95) | 4.49 (2.79) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.87 mph (31.97 km/h) |
| 25 mph (40.23 km/h) | 24.84 mph (39.97 km/h) |
| 30 mph (48.28 km/h) | 29.8 mph (47.96 km/h) |
| 35 mph (56.33 km/h) | 34.77 mph (55.96 km/h) |
| 40 mph (64.37 km/h) | 39.74 mph (63.95 km/h) |
| 45 mph (72.42 km/h) | 44.7 mph (71.94 km/h) |
| 50 mph (80.47 km/h) | 49.67 mph (79.94 km/h) |
| 55 mph (88.51 km/h) | 54.64 mph (87.93 km/h) |
| 60 mph (96.56 km/h) | 59.6 mph (95.92 km/h) |
| 65 mph (104.61 km/h) | 64.57 mph (103.92 km/h) |
| 70 mph (112.65 km/h) | 69.54 mph (111.91 km/h) |
| 75 mph (120.7 km/h) | 74.51 mph (119.9 km/h) |
| 80 mph (128.75 km/h) | 79.47 mph (127.9 km/h) |
| 85 mph (136.79 km/h) | 84.44 mph (135.89 km/h) |
| 90 mph (144.84 km/h) | 89.41 mph (143.89 km/h) |
| 95 mph (152.89 km/h) | 94.37 mph (151.88 km/h) |
| 100 mph (160.93 km/h) | 99.34 mph (159.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1732 | 2012 | 2167 | 2263 | 2366 | 2440 | 2521 | 2617 | 2749 | 2882 | 3029 | 3147 | 3361 | 3597 | 3781 | 3899 | 3966 | 4209 | 4548 | 5285 |
Better Fuel Economy Factory Ratios Increased Power
