Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-17 | 168/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.39 (695.8) | 27.58 (700.6) | 0.19 (4.8) 0.7% |
| Width inches (mm) | 6.5 (165) | 6.61 (168) | 0.12 (3) 1.8% |
| Circum. inches (mm) | 86.06 (2185.92) | 86.65 (2201) | 0.59 (15.08) 0.7% |
| Sidewall Height inches (mm) | 5.2 (132) | 5.29 (134.4) | 0.09 (2.4) 1.8% |
| Revolutions per mile (km) | 736.23 (457.47) | 731.19 (454.34) | -5.04 (-3.13) -0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.14 mph (32.41 km/h) |
| 25 mph (40.23 km/h) | 25.17 mph (40.51 km/h) |
| 30 mph (48.28 km/h) | 30.21 mph (48.61 km/h) |
| 35 mph (56.33 km/h) | 35.24 mph (56.72 km/h) |
| 40 mph (64.37 km/h) | 40.28 mph (64.82 km/h) |
| 45 mph (72.42 km/h) | 45.31 mph (72.92 km/h) |
| 50 mph (80.47 km/h) | 50.34 mph (81.02 km/h) |
| 55 mph (88.51 km/h) | 55.38 mph (89.12 km/h) |
| 60 mph (96.56 km/h) | 60.41 mph (97.23 km/h) |
| 65 mph (104.61 km/h) | 65.45 mph (105.33 km/h) |
| 70 mph (112.65 km/h) | 70.48 mph (113.43 km/h) |
| 75 mph (120.7 km/h) | 75.52 mph (121.53 km/h) |
| 80 mph (128.75 km/h) | 80.55 mph (129.64 km/h) |
| 85 mph (136.79 km/h) | 85.59 mph (137.74 km/h) |
| 90 mph (144.84 km/h) | 90.62 mph (145.84 km/h) |
| 95 mph (152.89 km/h) | 95.66 mph (153.94 km/h) |
| 100 mph (160.93 km/h) | 100.69 mph (162.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1861 | 2162 | 2328 | 2431 | 2542 | 2621 | 2708 | 2811 | 2953 | 3096 | 3254 | 3381 | 3611 | 3864 | 4062 | 4189 | 4260 | 4521 | 4885 | 5677 |
Better Fuel Economy Factory Ratios Increased Power
