Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-19 | 214/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.77 (654.6) | 25.58 (649.8) | -0.19 (-4.8) -0.7% |
| Width inches (mm) | 8.46 (215) | 8.43 (214) | -0.04 (-1) -0.5% |
| Circum. inches (mm) | 80.96 (2056.49) | 80.37 (2041.41) | -0.59 (-15.08) -0.7% |
| Sidewall Height inches (mm) | 3.39 (86) | 3.79 (96.3) | 0.41 (10.3) 12% |
| Revolutions per mile (km) | 782.57 (486.27) | 788.35 (489.86) | 5.78 (3.59) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.85 mph (31.95 km/h) |
| 25 mph (40.23 km/h) | 24.82 mph (39.94 km/h) |
| 30 mph (48.28 km/h) | 29.78 mph (47.93 km/h) |
| 35 mph (56.33 km/h) | 34.74 mph (55.91 km/h) |
| 40 mph (64.37 km/h) | 39.71 mph (63.9 km/h) |
| 45 mph (72.42 km/h) | 44.67 mph (71.89 km/h) |
| 50 mph (80.47 km/h) | 49.63 mph (79.88 km/h) |
| 55 mph (88.51 km/h) | 54.6 mph (87.87 km/h) |
| 60 mph (96.56 km/h) | 59.56 mph (95.85 km/h) |
| 65 mph (104.61 km/h) | 64.52 mph (103.84 km/h) |
| 70 mph (112.65 km/h) | 69.49 mph (111.83 km/h) |
| 75 mph (120.7 km/h) | 74.45 mph (119.82 km/h) |
| 80 mph (128.75 km/h) | 79.41 mph (127.8 km/h) |
| 85 mph (136.79 km/h) | 84.38 mph (135.79 km/h) |
| 90 mph (144.84 km/h) | 89.34 mph (143.78 km/h) |
| 95 mph (152.89 km/h) | 94.3 mph (151.77 km/h) |
| 100 mph (160.93 km/h) | 99.27 mph (159.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006 | 2331 | 2510 | 2621 | 2740 | 2826 | 2920 | 3031 | 3184 | 3338 | 3509 | 3645 | 3893 | 4166 | 4379 | 4516 | 4593 | 4875 | 5267 | 6121 |
Better Fuel Economy Factory Ratios Increased Power
