Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/85-18 | 215/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.37 (720.7) | 28 (711.3) | -0.37 (-9.4) -1.3% |
| Width inches (mm) | 6.1 (155) | 8.46 (215) | 2.36 (60) 38.7% |
| Circum. inches (mm) | 89.14 (2264.15) | 87.98 (2234.61) | -1.16 (-29.53) -1.3% |
| Sidewall Height inches (mm) | 5.19 (131.75) | 5.5 (139.75) | 0.31 (8) 6.1% |
| Revolutions per mile (km) | 710.8 (441.67) | 720.19 (447.5) | 9.39 (5.84) 1.3% |
215/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.74 mph (31.77 km/h) |
| 25 mph (40.23 km/h) | 24.67 mph (39.71 km/h) |
| 30 mph (48.28 km/h) | 29.61 mph (47.65 km/h) |
| 35 mph (56.33 km/h) | 34.54 mph (55.59 km/h) |
| 40 mph (64.37 km/h) | 39.48 mph (63.53 km/h) |
| 45 mph (72.42 km/h) | 44.41 mph (71.48 km/h) |
| 50 mph (80.47 km/h) | 49.35 mph (79.42 km/h) |
| 55 mph (88.51 km/h) | 54.28 mph (87.36 km/h) |
| 60 mph (96.56 km/h) | 59.22 mph (95.3 km/h) |
| 65 mph (104.61 km/h) | 64.15 mph (103.24 km/h) |
| 70 mph (112.65 km/h) | 69.09 mph (111.18 km/h) |
| 75 mph (120.7 km/h) | 74.02 mph (119.13 km/h) |
| 80 mph (128.75 km/h) | 78.96 mph (127.07 km/h) |
| 85 mph (136.79 km/h) | 83.89 mph (135.01 km/h) |
| 90 mph (144.84 km/h) | 88.83 mph (142.95 km/h) |
| 95 mph (152.89 km/h) | 93.76 mph (150.89 km/h) |
| 100 mph (160.93 km/h) | 98.7 mph (158.84 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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