Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-18 | 215/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.69 (754.2) | 28 (711.3) | -1.69 (-42.9) -5.7% |
| Width inches (mm) | 6.5 (165) | 8.46 (215) | 1.97 (50) 30.3% |
| Circum. inches (mm) | 93.28 (2369.39) | 87.98 (2234.61) | -5.31 (-134.77) -5.7% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 5.5 (139.75) | -0.34 (-8.75) -5.9% |
| Revolutions per mile (km) | 679.22 (422.05) | 720.19 (447.5) | 40.97 (25.45) 6% |
215/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.86 mph (30.36 km/h) |
| 25 mph (40.23 km/h) | 23.58 mph (37.95 km/h) |
| 30 mph (48.28 km/h) | 28.29 mph (45.53 km/h) |
| 35 mph (56.33 km/h) | 33.01 mph (53.12 km/h) |
| 40 mph (64.37 km/h) | 37.72 mph (60.71 km/h) |
| 45 mph (72.42 km/h) | 42.44 mph (68.3 km/h) |
| 50 mph (80.47 km/h) | 47.16 mph (75.89 km/h) |
| 55 mph (88.51 km/h) | 51.87 mph (83.48 km/h) |
| 60 mph (96.56 km/h) | 56.59 mph (91.07 km/h) |
| 65 mph (104.61 km/h) | 61.3 mph (98.66 km/h) |
| 70 mph (112.65 km/h) | 66.02 mph (106.25 km/h) |
| 75 mph (120.7 km/h) | 70.73 mph (113.84 km/h) |
| 80 mph (128.75 km/h) | 75.45 mph (121.42 km/h) |
| 85 mph (136.79 km/h) | 80.17 mph (129.01 km/h) |
| 90 mph (144.84 km/h) | 84.88 mph (136.6 km/h) |
| 95 mph (152.89 km/h) | 89.6 mph (144.19 km/h) |
| 100 mph (160.93 km/h) | 94.31 mph (151.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1833 | 2129 | 2293 | 2394 | 2503 | 2581 | 2667 | 2769 | 2909 | 3049 | 3205 | 3330 | 3556 | 3806 | 4001 | 4126 | 4196 | 4453 | 4812 | 5592 |
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