Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-14 | 205/35-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.09 (535.6) | 19.65 (499.1) | -1.44 (-36.5) -6.8% |
| Width inches (mm) | 8.86 (225) | 8.07 (205) | -0.79 (-20) -8.9% |
| Circum. inches (mm) | 66.25 (1682.64) | 61.73 (1567.97) | -4.51 (-114.67) -6.8% |
| Sidewall Height inches (mm) | 3.54 (90) | 2.82 (71.75) | -0.72 (-18.25) -20.3% |
| Revolutions per mile (km) | 956.44 (594.3) | 1026.39 (637.77) | 69.95 (43.46) 7.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.64 mph (29.99 km/h) |
| 25 mph (40.23 km/h) | 23.3 mph (37.49 km/h) |
| 30 mph (48.28 km/h) | 27.96 mph (44.99 km/h) |
| 35 mph (56.33 km/h) | 32.61 mph (52.49 km/h) |
| 40 mph (64.37 km/h) | 37.27 mph (59.99 km/h) |
| 45 mph (72.42 km/h) | 41.93 mph (67.49 km/h) |
| 50 mph (80.47 km/h) | 46.59 mph (74.98 km/h) |
| 55 mph (88.51 km/h) | 51.25 mph (82.48 km/h) |
| 60 mph (96.56 km/h) | 55.91 mph (89.98 km/h) |
| 65 mph (104.61 km/h) | 60.57 mph (97.48 km/h) |
| 70 mph (112.65 km/h) | 65.23 mph (104.98 km/h) |
| 75 mph (120.7 km/h) | 69.89 mph (112.48 km/h) |
| 80 mph (128.75 km/h) | 74.55 mph (119.97 km/h) |
| 85 mph (136.79 km/h) | 79.21 mph (127.47 km/h) |
| 90 mph (144.84 km/h) | 83.87 mph (134.97 km/h) |
| 95 mph (152.89 km/h) | 88.53 mph (142.47 km/h) |
| 100 mph (160.93 km/h) | 93.19 mph (149.97 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
