Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-17 | 165/85-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.39 (695.8) | 28.04 (712.3) | 0.65 (16.5) 2.4% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 86.06 (2185.92) | 88.1 (2237.76) | 2.04 (51.84) 2.4% |
| Sidewall Height inches (mm) | 5.2 (132) | 5.52 (140.25) | 0.32 (8.25) 6.3% |
| Revolutions per mile (km) | 736.23 (457.47) | 719.18 (446.88) | -17.05 (-10.6) -2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.47 mph (32.95 km/h) |
| 25 mph (40.23 km/h) | 25.59 mph (41.19 km/h) |
| 30 mph (48.28 km/h) | 30.71 mph (49.43 km/h) |
| 35 mph (56.33 km/h) | 35.83 mph (57.66 km/h) |
| 40 mph (64.37 km/h) | 40.95 mph (65.9 km/h) |
| 45 mph (72.42 km/h) | 46.07 mph (74.14 km/h) |
| 50 mph (80.47 km/h) | 51.19 mph (82.38 km/h) |
| 55 mph (88.51 km/h) | 56.3 mph (90.61 km/h) |
| 60 mph (96.56 km/h) | 61.42 mph (98.85 km/h) |
| 65 mph (104.61 km/h) | 66.54 mph (107.09 km/h) |
| 70 mph (112.65 km/h) | 71.66 mph (115.33 km/h) |
| 75 mph (120.7 km/h) | 76.78 mph (123.56 km/h) |
| 80 mph (128.75 km/h) | 81.9 mph (131.8 km/h) |
| 85 mph (136.79 km/h) | 87.02 mph (140.04 km/h) |
| 90 mph (144.84 km/h) | 92.13 mph (148.28 km/h) |
| 95 mph (152.89 km/h) | 97.25 mph (156.51 km/h) |
| 100 mph (160.93 km/h) | 102.37 mph (164.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1830 | 2126 | 2290 | 2391 | 2500 | 2578 | 2663 | 2765 | 2905 | 3045 | 3201 | 3325 | 3551 | 3801 | 3995 | 4120 | 4190 | 4447 | 4805 | 5584 |
Better Fuel Economy Factory Ratios Increased Power
