Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/85-16 | 215/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.38 (720.9) | 30.39 (771.9) | 2.01 (51) 7.1% |
| Width inches (mm) | 7.28 (185) | 8.46 (215) | 1.18 (30) 16.2% |
| Circum. inches (mm) | 89.16 (2264.77) | 95.47 (2425) | 6.31 (160.22) 7.1% |
| Sidewall Height inches (mm) | 6.19 (157.25) | 7.19 (182.75) | 1 (25.5) 16.2% |
| Revolutions per mile (km) | 710.6 (441.54) | 663.65 (412.37) | -46.95 (-29.17) -6.6% |
215/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.41 mph (34.46 km/h) |
| 25 mph (40.23 km/h) | 26.77 mph (43.08 km/h) |
| 30 mph (48.28 km/h) | 32.12 mph (51.7 km/h) |
| 35 mph (56.33 km/h) | 37.48 mph (60.31 km/h) |
| 40 mph (64.37 km/h) | 42.83 mph (68.93 km/h) |
| 45 mph (72.42 km/h) | 48.18 mph (77.54 km/h) |
| 50 mph (80.47 km/h) | 53.54 mph (86.16 km/h) |
| 55 mph (88.51 km/h) | 58.89 mph (94.78 km/h) |
| 60 mph (96.56 km/h) | 64.24 mph (103.39 km/h) |
| 65 mph (104.61 km/h) | 69.6 mph (112.01 km/h) |
| 70 mph (112.65 km/h) | 74.95 mph (120.62 km/h) |
| 75 mph (120.7 km/h) | 80.31 mph (129.24 km/h) |
| 80 mph (128.75 km/h) | 85.66 mph (137.86 km/h) |
| 85 mph (136.79 km/h) | 91.01 mph (146.47 km/h) |
| 90 mph (144.84 km/h) | 96.37 mph (155.09 km/h) |
| 95 mph (152.89 km/h) | 101.72 mph (163.7 km/h) |
| 100 mph (160.93 km/h) | 107.07 mph (172.32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1689 | 1962 | 2113 | 2206 | 2307 | 2379 | 2458 | 2551 | 2681 | 2810 | 2954 | 3069 | 3277 | 3507 | 3687 | 3802 | 3866 | 4104 | 4434 | 5153 |
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