Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-19 | 230/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.77 (654.6) | 24.43 (620.6) | -1.34 (-34) -5.2% |
| Width inches (mm) | 8.46 (215) | 9.06 (230) | 0.59 (15) 7% |
| Circum. inches (mm) | 80.96 (2056.49) | 76.76 (1949.67) | -4.21 (-106.81) -5.2% |
| Sidewall Height inches (mm) | 3.39 (86) | 2.72 (69) | -0.67 (-17) -19.8% |
| Revolutions per mile (km) | 782.57 (486.27) | 825.44 (512.91) | 42.87 (26.64) 5.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.96 mph (30.52 km/h) |
| 25 mph (40.23 km/h) | 23.7 mph (38.14 km/h) |
| 30 mph (48.28 km/h) | 28.44 mph (45.77 km/h) |
| 35 mph (56.33 km/h) | 33.18 mph (53.4 km/h) |
| 40 mph (64.37 km/h) | 37.92 mph (61.03 km/h) |
| 45 mph (72.42 km/h) | 42.66 mph (68.66 km/h) |
| 50 mph (80.47 km/h) | 47.4 mph (76.29 km/h) |
| 55 mph (88.51 km/h) | 52.14 mph (83.92 km/h) |
| 60 mph (96.56 km/h) | 56.88 mph (91.55 km/h) |
| 65 mph (104.61 km/h) | 61.62 mph (99.17 km/h) |
| 70 mph (112.65 km/h) | 66.36 mph (106.8 km/h) |
| 75 mph (120.7 km/h) | 71.1 mph (114.43 km/h) |
| 80 mph (128.75 km/h) | 75.84 mph (122.06 km/h) |
| 85 mph (136.79 km/h) | 80.59 mph (129.69 km/h) |
| 90 mph (144.84 km/h) | 85.33 mph (137.32 km/h) |
| 95 mph (152.89 km/h) | 90.07 mph (144.95 km/h) |
| 100 mph (160.93 km/h) | 94.81 mph (152.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2101 | 2440 | 2628 | 2744 | 2869 | 2959 | 3057 | 3173 | 3334 | 3495 | 3674 | 3817 | 4076 | 4362 | 4586 | 4729 | 4809 | 5104 | 5515 | 6409 |
Better Fuel Economy Factory Ratios Increased Power
