Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/85-16 | 230/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.71 (703.9) | 27.87 (707.8) | 0.15 (3.9) 0.6% |
| Width inches (mm) | 6.89 (175) | 9.06 (230) | 2.17 (55) 31.4% |
| Circum. inches (mm) | 87.06 (2211.37) | 87.54 (2223.62) | 0.48 (12.25) 0.6% |
| Sidewall Height inches (mm) | 5.86 (148.75) | 5.43 (138) | -0.42 (-10.75) -7.2% |
| Revolutions per mile (km) | 727.76 (452.21) | 723.75 (449.72) | -4.01 (-2.49) -0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.11 mph (32.37 km/h) |
| 25 mph (40.23 km/h) | 25.14 mph (40.46 km/h) |
| 30 mph (48.28 km/h) | 30.17 mph (48.55 km/h) |
| 35 mph (56.33 km/h) | 35.19 mph (56.64 km/h) |
| 40 mph (64.37 km/h) | 40.22 mph (64.73 km/h) |
| 45 mph (72.42 km/h) | 45.25 mph (72.82 km/h) |
| 50 mph (80.47 km/h) | 50.28 mph (80.91 km/h) |
| 55 mph (88.51 km/h) | 55.3 mph (89 km/h) |
| 60 mph (96.56 km/h) | 60.33 mph (97.1 km/h) |
| 65 mph (104.61 km/h) | 65.36 mph (105.19 km/h) |
| 70 mph (112.65 km/h) | 70.39 mph (113.28 km/h) |
| 75 mph (120.7 km/h) | 75.42 mph (121.37 km/h) |
| 80 mph (128.75 km/h) | 80.44 mph (129.46 km/h) |
| 85 mph (136.79 km/h) | 85.47 mph (137.55 km/h) |
| 90 mph (144.84 km/h) | 90.5 mph (145.64 km/h) |
| 95 mph (152.89 km/h) | 95.53 mph (153.74 km/h) |
| 100 mph (160.93 km/h) | 100.55 mph (161.83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1842 | 2140 | 2304 | 2406 | 2516 | 2594 | 2680 | 2782 | 2923 | 3064 | 3221 | 3347 | 3574 | 3825 | 4021 | 4146 | 4217 | 4475 | 4836 | 5619 |
Better Fuel Economy Factory Ratios Increased Power
