Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/85-16 | 215/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.74 (882.4) | 30.39 (771.9) | -4.35 (-110.5) -12.5% |
| Width inches (mm) | 11.02 (280) | 8.46 (215) | -2.56 (-65) -23.2% |
| Circum. inches (mm) | 109.14 (2772.14) | 95.47 (2425) | -13.67 (-347.15) -12.5% |
| Sidewall Height inches (mm) | 9.37 (238) | 7.19 (182.75) | -2.18 (-55.25) -23.2% |
| Revolutions per mile (km) | 580.54 (360.73) | 663.65 (412.37) | 83.11 (51.64) 14.3% |
215/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.5 mph (28.16 km/h) |
| 25 mph (40.23 km/h) | 21.87 mph (35.2 km/h) |
| 30 mph (48.28 km/h) | 26.24 mph (42.23 km/h) |
| 35 mph (56.33 km/h) | 30.62 mph (49.27 km/h) |
| 40 mph (64.37 km/h) | 34.99 mph (56.31 km/h) |
| 45 mph (72.42 km/h) | 39.36 mph (63.35 km/h) |
| 50 mph (80.47 km/h) | 43.74 mph (70.39 km/h) |
| 55 mph (88.51 km/h) | 48.11 mph (77.43 km/h) |
| 60 mph (96.56 km/h) | 52.49 mph (84.47 km/h) |
| 65 mph (104.61 km/h) | 56.86 mph (91.51 km/h) |
| 70 mph (112.65 km/h) | 61.23 mph (98.55 km/h) |
| 75 mph (120.7 km/h) | 65.61 mph (105.59 km/h) |
| 80 mph (128.75 km/h) | 69.98 mph (112.63 km/h) |
| 85 mph (136.79 km/h) | 74.36 mph (119.66 km/h) |
| 90 mph (144.84 km/h) | 78.73 mph (126.7 km/h) |
| 95 mph (152.89 km/h) | 83.1 mph (133.74 km/h) |
| 100 mph (160.93 km/h) | 87.48 mph (140.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1689 | 1962 | 2113 | 2206 | 2307 | 2379 | 2458 | 2551 | 2681 | 2810 | 2954 | 3069 | 3277 | 3507 | 3687 | 3802 | 3866 | 4104 | 4434 | 5153 |
Better Fuel Economy Factory Ratios Increased Power
