Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/85-16 | 215/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.73 (805.9) | 30.39 (771.9) | -1.34 (-34) -4.2% |
| Width inches (mm) | 9.25 (235) | 8.46 (215) | -0.79 (-20) -8.5% |
| Circum. inches (mm) | 99.68 (2531.81) | 95.47 (2425) | -4.21 (-106.81) -4.2% |
| Sidewall Height inches (mm) | 7.86 (199.75) | 7.19 (182.75) | -0.67 (-17) -8.5% |
| Revolutions per mile (km) | 635.65 (394.97) | 663.65 (412.37) | 28 (17.4) 4.4% |
215/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.16 mph (30.83 km/h) |
| 25 mph (40.23 km/h) | 23.95 mph (38.54 km/h) |
| 30 mph (48.28 km/h) | 28.73 mph (46.24 km/h) |
| 35 mph (56.33 km/h) | 33.52 mph (53.95 km/h) |
| 40 mph (64.37 km/h) | 38.31 mph (61.66 km/h) |
| 45 mph (72.42 km/h) | 43.1 mph (69.37 km/h) |
| 50 mph (80.47 km/h) | 47.89 mph (77.07 km/h) |
| 55 mph (88.51 km/h) | 52.68 mph (84.78 km/h) |
| 60 mph (96.56 km/h) | 57.47 mph (92.49 km/h) |
| 65 mph (104.61 km/h) | 62.26 mph (100.19 km/h) |
| 70 mph (112.65 km/h) | 67.05 mph (107.9 km/h) |
| 75 mph (120.7 km/h) | 71.84 mph (115.61 km/h) |
| 80 mph (128.75 km/h) | 76.62 mph (123.32 km/h) |
| 85 mph (136.79 km/h) | 81.41 mph (131.02 km/h) |
| 90 mph (144.84 km/h) | 86.2 mph (138.73 km/h) |
| 95 mph (152.89 km/h) | 90.99 mph (146.44 km/h) |
| 100 mph (160.93 km/h) | 95.78 mph (154.15 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
