Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/40-17 | 225/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.72 (627.8) | 24.09 (611.8) | -0.63 (-16) -2.5% |
| Width inches (mm) | 9.65 (245) | 8.86 (225) | -0.79 (-20) -8.2% |
| Circum. inches (mm) | 77.65 (1972.29) | 75.67 (1922.03) | -1.98 (-50.27) -2.5% |
| Sidewall Height inches (mm) | 3.86 (98) | 3.54 (90) | -0.31 (-8) -8.2% |
| Revolutions per mile (km) | 815.98 (507.02) | 837.32 (520.28) | 21.34 (13.26) 2.6% |
225/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.49 mph (31.37 km/h) |
| 25 mph (40.23 km/h) | 24.36 mph (39.21 km/h) |
| 30 mph (48.28 km/h) | 29.24 mph (47.05 km/h) |
| 35 mph (56.33 km/h) | 34.11 mph (54.89 km/h) |
| 40 mph (64.37 km/h) | 38.98 mph (62.73 km/h) |
| 45 mph (72.42 km/h) | 43.85 mph (70.57 km/h) |
| 50 mph (80.47 km/h) | 48.73 mph (78.42 km/h) |
| 55 mph (88.51 km/h) | 53.6 mph (86.26 km/h) |
| 60 mph (96.56 km/h) | 58.47 mph (94.1 km/h) |
| 65 mph (104.61 km/h) | 63.34 mph (101.94 km/h) |
| 70 mph (112.65 km/h) | 68.22 mph (109.78 km/h) |
| 75 mph (120.7 km/h) | 73.09 mph (117.62 km/h) |
| 80 mph (128.75 km/h) | 77.96 mph (125.47 km/h) |
| 85 mph (136.79 km/h) | 82.83 mph (133.31 km/h) |
| 90 mph (144.84 km/h) | 87.71 mph (141.15 km/h) |
| 95 mph (152.89 km/h) | 92.58 mph (148.99 km/h) |
| 100 mph (160.93 km/h) | 97.45 mph (156.83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2131 | 2475 | 2666 | 2784 | 2911 | 3001 | 3101 | 3219 | 3382 | 3545 | 3727 | 3872 | 4135 | 4425 | 4652 | 4797 | 4878 | 5177 | 5595 | 6501 |
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