Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-16 | 185/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.93 (683.9) | 28.38 (720.9) | 1.46 (37) 5.4% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 84.59 (2148.54) | 89.16 (2264.77) | 4.58 (116.24) 5.4% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 6.19 (157.25) | 0.73 (18.5) 13.3% |
| Revolutions per mile (km) | 749.04 (465.43) | 710.6 (441.54) | -38.44 (-23.89) -5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.08 mph (33.93 km/h) |
| 25 mph (40.23 km/h) | 26.35 mph (42.41 km/h) |
| 30 mph (48.28 km/h) | 31.62 mph (50.89 km/h) |
| 35 mph (56.33 km/h) | 36.89 mph (59.37 km/h) |
| 40 mph (64.37 km/h) | 42.16 mph (67.86 km/h) |
| 45 mph (72.42 km/h) | 47.43 mph (76.34 km/h) |
| 50 mph (80.47 km/h) | 52.71 mph (84.82 km/h) |
| 55 mph (88.51 km/h) | 57.98 mph (93.3 km/h) |
| 60 mph (96.56 km/h) | 63.25 mph (101.78 km/h) |
| 65 mph (104.61 km/h) | 68.52 mph (110.27 km/h) |
| 70 mph (112.65 km/h) | 73.79 mph (118.75 km/h) |
| 75 mph (120.7 km/h) | 79.06 mph (127.23 km/h) |
| 80 mph (128.75 km/h) | 84.33 mph (135.71 km/h) |
| 85 mph (136.79 km/h) | 89.6 mph (144.2 km/h) |
| 90 mph (144.84 km/h) | 94.87 mph (152.68 km/h) |
| 95 mph (152.89 km/h) | 100.14 mph (161.16 km/h) |
| 100 mph (160.93 km/h) | 105.41 mph (169.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1808 | 2101 | 2262 | 2362 | 2470 | 2547 | 2632 | 2732 | 2870 | 3009 | 3163 | 3286 | 3509 | 3755 | 3948 | 4071 | 4140 | 4394 | 4748 | 5517 |
Better Fuel Economy Factory Ratios Increased Power
