Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-16 | 185/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.58 (598.9) | 24.74 (628.4) | 1.16 (29.5) 4.9% |
| Width inches (mm) | 6.89 (175) | 7.28 (185) | 0.39 (10) 5.7% |
| Circum. inches (mm) | 74.07 (1881.5) | 77.72 (1974.18) | 3.65 (92.68) 4.9% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 4.37 (111) | 0.58 (14.75) 15.3% |
| Revolutions per mile (km) | 855.35 (531.49) | 815.2 (506.54) | -40.15 (-24.95) -4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.99 mph (33.77 km/h) |
| 25 mph (40.23 km/h) | 26.23 mph (42.22 km/h) |
| 30 mph (48.28 km/h) | 31.48 mph (50.66 km/h) |
| 35 mph (56.33 km/h) | 36.72 mph (59.1 km/h) |
| 40 mph (64.37 km/h) | 41.97 mph (67.54 km/h) |
| 45 mph (72.42 km/h) | 47.22 mph (75.99 km/h) |
| 50 mph (80.47 km/h) | 52.46 mph (84.43 km/h) |
| 55 mph (88.51 km/h) | 57.71 mph (92.87 km/h) |
| 60 mph (96.56 km/h) | 62.96 mph (101.32 km/h) |
| 65 mph (104.61 km/h) | 68.2 mph (109.76 km/h) |
| 70 mph (112.65 km/h) | 73.45 mph (118.2 km/h) |
| 75 mph (120.7 km/h) | 78.69 mph (126.65 km/h) |
| 80 mph (128.75 km/h) | 83.94 mph (135.09 km/h) |
| 85 mph (136.79 km/h) | 89.19 mph (143.53 km/h) |
| 90 mph (144.84 km/h) | 94.43 mph (151.98 km/h) |
| 95 mph (152.89 km/h) | 99.68 mph (160.42 km/h) |
| 100 mph (160.93 km/h) | 104.93 mph (168.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2075 | 2410 | 2595 | 2710 | 2834 | 2922 | 3019 | 3134 | 3293 | 3452 | 3628 | 3769 | 4025 | 4308 | 4529 | 4670 | 4749 | 5041 | 5447 | 6329 |
Better Fuel Economy Factory Ratios Increased Power
