Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-19 | 215/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.77 (654.6) | 24.08 (611.6) | -1.69 (-43) -6.6% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 80.96 (2056.49) | 75.65 (1921.4) | -5.32 (-135.09) -6.6% |
| Sidewall Height inches (mm) | 3.39 (86) | 2.54 (64.5) | -0.85 (-21.5) -25% |
| Revolutions per mile (km) | 782.57 (486.27) | 837.59 (520.45) | 55.02 (34.19) 7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.69 mph (30.07 km/h) |
| 25 mph (40.23 km/h) | 23.36 mph (37.59 km/h) |
| 30 mph (48.28 km/h) | 28.03 mph (45.11 km/h) |
| 35 mph (56.33 km/h) | 32.7 mph (52.63 km/h) |
| 40 mph (64.37 km/h) | 37.37 mph (60.15 km/h) |
| 45 mph (72.42 km/h) | 42.04 mph (67.66 km/h) |
| 50 mph (80.47 km/h) | 46.72 mph (75.18 km/h) |
| 55 mph (88.51 km/h) | 51.39 mph (82.7 km/h) |
| 60 mph (96.56 km/h) | 56.06 mph (90.22 km/h) |
| 65 mph (104.61 km/h) | 60.73 mph (97.74 km/h) |
| 70 mph (112.65 km/h) | 65.4 mph (105.25 km/h) |
| 75 mph (120.7 km/h) | 70.07 mph (112.77 km/h) |
| 80 mph (128.75 km/h) | 74.74 mph (120.29 km/h) |
| 85 mph (136.79 km/h) | 79.42 mph (127.81 km/h) |
| 90 mph (144.84 km/h) | 84.09 mph (135.33 km/h) |
| 95 mph (152.89 km/h) | 88.76 mph (142.84 km/h) |
| 100 mph (160.93 km/h) | 93.43 mph (150.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2132 | 2476 | 2667 | 2785 | 2912 | 3002 | 3102 | 3220 | 3383 | 3546 | 3728 | 3873 | 4136 | 4426 | 4653 | 4798 | 4880 | 5179 | 5596 | 6503 |
Better Fuel Economy Factory Ratios Increased Power
