Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-14 | 185/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.58 (548.1) | 22.01 (559.1) | 0.43 (11) 2% |
| Width inches (mm) | 6.89 (175) | 7.28 (185) | 0.39 (10) 5.7% |
| Circum. inches (mm) | 67.79 (1721.91) | 69.15 (1756.46) | 1.36 (34.56) 2% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 4.01 (101.75) | 0.22 (5.5) 5.7% |
| Revolutions per mile (km) | 934.63 (580.75) | 916.24 (569.32) | -18.39 (-11.43) -2% |
185/55-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.4 mph (32.83 km/h) |
| 25 mph (40.23 km/h) | 25.5 mph (41.04 km/h) |
| 30 mph (48.28 km/h) | 30.6 mph (49.25 km/h) |
| 35 mph (56.33 km/h) | 35.7 mph (57.46 km/h) |
| 40 mph (64.37 km/h) | 40.8 mph (65.67 km/h) |
| 45 mph (72.42 km/h) | 45.9 mph (73.87 km/h) |
| 50 mph (80.47 km/h) | 51 mph (82.08 km/h) |
| 55 mph (88.51 km/h) | 56.1 mph (90.29 km/h) |
| 60 mph (96.56 km/h) | 61.2 mph (98.5 km/h) |
| 65 mph (104.61 km/h) | 66.3 mph (106.71 km/h) |
| 70 mph (112.65 km/h) | 71.4 mph (114.92 km/h) |
| 75 mph (120.7 km/h) | 76.51 mph (123.12 km/h) |
| 80 mph (128.75 km/h) | 81.61 mph (131.33 km/h) |
| 85 mph (136.79 km/h) | 86.71 mph (139.54 km/h) |
| 90 mph (144.84 km/h) | 91.81 mph (147.75 km/h) |
| 95 mph (152.89 km/h) | 96.91 mph (155.96 km/h) |
| 100 mph (160.93 km/h) | 102.01 mph (164.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2332 | 2709 | 2917 | 3046 | 3185 | 3284 | 3393 | 3522 | 3701 | 3879 | 4078 | 4237 | 4524 | 4842 | 5090 | 5249 | 5338 | 5665 | 6122 | 7114 |
Better Fuel Economy Factory Ratios Increased Power
