Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/30-19 | 305/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.26 (641.6) | 26.2 (665.6) | 0.94 (24) 3.7% |
| Width inches (mm) | 10.43 (265) | 12.01 (305) | 1.57 (40) 15.1% |
| Circum. inches (mm) | 79.36 (2015.65) | 82.32 (2091.04) | 2.97 (75.4) 3.7% |
| Sidewall Height inches (mm) | 3.13 (79.5) | 3.6 (91.5) | 0.47 (12) 15.1% |
| Revolutions per mile (km) | 798.43 (496.12) | 769.64 (478.23) | -28.79 (-17.89) -3.6% |
305/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.75 mph (33.39 km/h) |
| 25 mph (40.23 km/h) | 25.94 mph (41.74 km/h) |
| 30 mph (48.28 km/h) | 31.12 mph (50.09 km/h) |
| 35 mph (56.33 km/h) | 36.31 mph (58.43 km/h) |
| 40 mph (64.37 km/h) | 41.5 mph (66.78 km/h) |
| 45 mph (72.42 km/h) | 46.68 mph (75.13 km/h) |
| 50 mph (80.47 km/h) | 51.87 mph (83.48 km/h) |
| 55 mph (88.51 km/h) | 57.06 mph (91.83 km/h) |
| 60 mph (96.56 km/h) | 62.24 mph (100.17 km/h) |
| 65 mph (104.61 km/h) | 67.43 mph (108.52 km/h) |
| 70 mph (112.65 km/h) | 72.62 mph (116.87 km/h) |
| 75 mph (120.7 km/h) | 77.81 mph (125.22 km/h) |
| 80 mph (128.75 km/h) | 82.99 mph (133.56 km/h) |
| 85 mph (136.79 km/h) | 88.18 mph (141.91 km/h) |
| 90 mph (144.84 km/h) | 93.37 mph (150.26 km/h) |
| 95 mph (152.89 km/h) | 98.55 mph (158.61 km/h) |
| 100 mph (160.93 km/h) | 103.74 mph (166.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1959 | 2275 | 2450 | 2559 | 2675 | 2759 | 2850 | 2959 | 3109 | 3259 | 3425 | 3559 | 3800 | 4067 | 4276 | 4409 | 4484 | 4759 | 5142 | 5976 |
Better Fuel Economy Factory Ratios Increased Power
