Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/85-16 | 225/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.71 (703.9) | 28.52 (724.3) | 0.8 (20.4) 2.9% |
| Width inches (mm) | 6.89 (175) | 8.86 (225) | 1.97 (50) 28.6% |
| Circum. inches (mm) | 87.06 (2211.37) | 89.58 (2275.46) | 2.52 (64.09) 2.9% |
| Sidewall Height inches (mm) | 5.86 (148.75) | 5.76 (146.25) | -0.1 (-2.5) -1.7% |
| Revolutions per mile (km) | 727.76 (452.21) | 707.26 (439.47) | -20.5 (-12.74) -2.8% |
225/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.58 mph (33.12 km/h) |
| 25 mph (40.23 km/h) | 25.72 mph (41.4 km/h) |
| 30 mph (48.28 km/h) | 30.87 mph (49.68 km/h) |
| 35 mph (56.33 km/h) | 36.01 mph (57.96 km/h) |
| 40 mph (64.37 km/h) | 41.16 mph (66.24 km/h) |
| 45 mph (72.42 km/h) | 46.3 mph (74.52 km/h) |
| 50 mph (80.47 km/h) | 51.45 mph (82.8 km/h) |
| 55 mph (88.51 km/h) | 56.59 mph (91.08 km/h) |
| 60 mph (96.56 km/h) | 61.74 mph (99.36 km/h) |
| 65 mph (104.61 km/h) | 66.88 mph (107.64 km/h) |
| 70 mph (112.65 km/h) | 72.03 mph (115.92 km/h) |
| 75 mph (120.7 km/h) | 77.17 mph (124.2 km/h) |
| 80 mph (128.75 km/h) | 82.32 mph (132.48 km/h) |
| 85 mph (136.79 km/h) | 87.46 mph (140.76 km/h) |
| 90 mph (144.84 km/h) | 92.61 mph (149.04 km/h) |
| 95 mph (152.89 km/h) | 97.75 mph (157.32 km/h) |
| 100 mph (160.93 km/h) | 102.9 mph (165.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1800 | 2091 | 2252 | 2351 | 2459 | 2535 | 2619 | 2719 | 2857 | 2995 | 3148 | 3270 | 3492 | 3738 | 3929 | 4052 | 4121 | 4373 | 4726 | 5491 |
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