Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/40-16 | 245/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.09 (586.4) | 24.68 (626.9) | 1.59 (40.5) 6.9% |
| Width inches (mm) | 8.86 (225) | 9.65 (245) | 0.79 (20) 8.9% |
| Circum. inches (mm) | 72.53 (1842.23) | 77.54 (1969.46) | 5.01 (127.23) 6.9% |
| Sidewall Height inches (mm) | 3.54 (90) | 4.34 (110.25) | 0.8 (20.25) 22.5% |
| Revolutions per mile (km) | 873.58 (542.82) | 817.15 (507.75) | -56.44 (-35.07) -6.5% |
245/45-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.38 mph (34.41 km/h) |
| 25 mph (40.23 km/h) | 26.73 mph (43.01 km/h) |
| 30 mph (48.28 km/h) | 32.07 mph (51.61 km/h) |
| 35 mph (56.33 km/h) | 37.42 mph (60.22 km/h) |
| 40 mph (64.37 km/h) | 42.76 mph (68.82 km/h) |
| 45 mph (72.42 km/h) | 48.11 mph (77.42 km/h) |
| 50 mph (80.47 km/h) | 53.45 mph (86.02 km/h) |
| 55 mph (88.51 km/h) | 58.8 mph (94.63 km/h) |
| 60 mph (96.56 km/h) | 64.14 mph (103.23 km/h) |
| 65 mph (104.61 km/h) | 69.49 mph (111.83 km/h) |
| 70 mph (112.65 km/h) | 74.83 mph (120.43 km/h) |
| 75 mph (120.7 km/h) | 80.18 mph (129.04 km/h) |
| 80 mph (128.75 km/h) | 85.53 mph (137.64 km/h) |
| 85 mph (136.79 km/h) | 90.87 mph (146.24 km/h) |
| 90 mph (144.84 km/h) | 96.22 mph (154.84 km/h) |
| 95 mph (152.89 km/h) | 101.56 mph (163.45 km/h) |
| 100 mph (160.93 km/h) | 106.91 mph (172.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2079 | 2416 | 2602 | 2717 | 2840 | 2929 | 3026 | 3141 | 3301 | 3460 | 3637 | 3778 | 4035 | 4318 | 4539 | 4681 | 4761 | 5053 | 5460 | 6345 |
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