Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 225/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 23.97 (608.9) | -3.19 (-81) -11.7% |
| Width inches (mm) | 12.4 (315) | 8.86 (225) | -3.54 (-90) -28.6% |
| Circum. inches (mm) | 85.33 (2167.38) | 75.31 (1912.92) | -10.02 (-254.47) -11.7% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 3.99 (101.25) | -1.59 (-40.5) -28.6% |
| Revolutions per mile (km) | 742.53 (461.38) | 841.3 (522.76) | 98.78 (61.38) 13.3% |
225/45-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.65 mph (28.41 km/h) |
| 25 mph (40.23 km/h) | 22.06 mph (35.51 km/h) |
| 30 mph (48.28 km/h) | 26.48 mph (42.61 km/h) |
| 35 mph (56.33 km/h) | 30.89 mph (49.71 km/h) |
| 40 mph (64.37 km/h) | 35.3 mph (56.82 km/h) |
| 45 mph (72.42 km/h) | 39.72 mph (63.92 km/h) |
| 50 mph (80.47 km/h) | 44.13 mph (71.02 km/h) |
| 55 mph (88.51 km/h) | 48.54 mph (78.12 km/h) |
| 60 mph (96.56 km/h) | 52.96 mph (85.22 km/h) |
| 65 mph (104.61 km/h) | 57.37 mph (92.33 km/h) |
| 70 mph (112.65 km/h) | 61.78 mph (99.43 km/h) |
| 75 mph (120.7 km/h) | 66.19 mph (106.53 km/h) |
| 80 mph (128.75 km/h) | 70.61 mph (113.63 km/h) |
| 85 mph (136.79 km/h) | 75.02 mph (120.73 km/h) |
| 90 mph (144.84 km/h) | 79.43 mph (127.84 km/h) |
| 95 mph (152.89 km/h) | 83.85 mph (134.94 km/h) |
| 100 mph (160.93 km/h) | 88.26 mph (142.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2141 | 2487 | 2678 | 2797 | 2924 | 3016 | 3116 | 3234 | 3398 | 3562 | 3744 | 3890 | 4154 | 4446 | 4674 | 4819 | 4901 | 5202 | 5621 | 6532 |
Better Fuel Economy Factory Ratios Increased Power
