Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-16 | 205/30-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.77 (578.4) | 20.84 (529.4) | -1.93 (-49) -8.5% |
| Width inches (mm) | 8.46 (215) | 8.07 (205) | -0.39 (-10) -4.7% |
| Circum. inches (mm) | 71.54 (1817.1) | 65.48 (1663.16) | -6.06 (-153.94) -8.5% |
| Sidewall Height inches (mm) | 3.39 (86) | 2.42 (61.5) | -0.96 (-24.5) -28.5% |
| Revolutions per mile (km) | 885.67 (550.33) | 967.64 (601.26) | 81.98 (50.94) 9.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.31 mph (29.46 km/h) |
| 25 mph (40.23 km/h) | 22.88 mph (36.83 km/h) |
| 30 mph (48.28 km/h) | 27.46 mph (44.19 km/h) |
| 35 mph (56.33 km/h) | 32.03 mph (51.56 km/h) |
| 40 mph (64.37 km/h) | 36.61 mph (58.92 km/h) |
| 45 mph (72.42 km/h) | 41.19 mph (66.29 km/h) |
| 50 mph (80.47 km/h) | 45.76 mph (73.65 km/h) |
| 55 mph (88.51 km/h) | 50.34 mph (81.02 km/h) |
| 60 mph (96.56 km/h) | 54.92 mph (88.38 km/h) |
| 65 mph (104.61 km/h) | 59.49 mph (95.75 km/h) |
| 70 mph (112.65 km/h) | 64.07 mph (103.11 km/h) |
| 75 mph (120.7 km/h) | 68.65 mph (110.48 km/h) |
| 80 mph (128.75 km/h) | 73.22 mph (117.84 km/h) |
| 85 mph (136.79 km/h) | 77.8 mph (125.21 km/h) |
| 90 mph (144.84 km/h) | 82.38 mph (132.57 km/h) |
| 95 mph (152.89 km/h) | 86.95 mph (139.94 km/h) |
| 100 mph (160.93 km/h) | 91.53 mph (147.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
