Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/35-19 | 305/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.41 (696.1) | 26.2 (665.6) | -1.2 (-30.5) -4.4% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 86.1 (2186.86) | 82.32 (2091.04) | -3.77 (-95.82) -4.4% |
| Sidewall Height inches (mm) | 4.2 (106.75) | 3.6 (91.5) | -0.6 (-15.25) -14.3% |
| Revolutions per mile (km) | 735.91 (457.28) | 769.64 (478.23) | 33.72 (20.95) 4.6% |
305/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.12 mph (30.78 km/h) |
| 25 mph (40.23 km/h) | 23.9 mph (38.47 km/h) |
| 30 mph (48.28 km/h) | 28.69 mph (46.16 km/h) |
| 35 mph (56.33 km/h) | 33.47 mph (53.86 km/h) |
| 40 mph (64.37 km/h) | 38.25 mph (61.55 km/h) |
| 45 mph (72.42 km/h) | 43.03 mph (69.25 km/h) |
| 50 mph (80.47 km/h) | 47.81 mph (76.94 km/h) |
| 55 mph (88.51 km/h) | 52.59 mph (84.64 km/h) |
| 60 mph (96.56 km/h) | 57.37 mph (92.33 km/h) |
| 65 mph (104.61 km/h) | 62.15 mph (100.02 km/h) |
| 70 mph (112.65 km/h) | 66.93 mph (107.72 km/h) |
| 75 mph (120.7 km/h) | 71.71 mph (115.41 km/h) |
| 80 mph (128.75 km/h) | 76.49 mph (123.11 km/h) |
| 85 mph (136.79 km/h) | 81.28 mph (130.8 km/h) |
| 90 mph (144.84 km/h) | 86.06 mph (138.49 km/h) |
| 95 mph (152.89 km/h) | 90.84 mph (146.19 km/h) |
| 100 mph (160.93 km/h) | 95.62 mph (153.88 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
