Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-16 | 175/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.58 (598.9) | 28.4 (721.4) | 4.82 (122.5) 20.5% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 74.07 (1881.5) | 89.23 (2266.34) | 15.15 (384.85) 20.5% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 6.2 (157.5) | 2.41 (61.25) 63.6% |
| Revolutions per mile (km) | 855.35 (531.49) | 710.11 (441.24) | -145.25 (-90.25) -17% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.09 mph (38.77 km/h) |
| 25 mph (40.23 km/h) | 30.11 mph (48.46 km/h) |
| 30 mph (48.28 km/h) | 36.14 mph (58.16 km/h) |
| 35 mph (56.33 km/h) | 42.16 mph (67.85 km/h) |
| 40 mph (64.37 km/h) | 48.18 mph (77.54 km/h) |
| 45 mph (72.42 km/h) | 54.2 mph (87.23 km/h) |
| 50 mph (80.47 km/h) | 60.23 mph (96.93 km/h) |
| 55 mph (88.51 km/h) | 66.25 mph (106.62 km/h) |
| 60 mph (96.56 km/h) | 72.27 mph (116.31 km/h) |
| 65 mph (104.61 km/h) | 78.3 mph (126 km/h) |
| 70 mph (112.65 km/h) | 84.32 mph (135.7 km/h) |
| 75 mph (120.7 km/h) | 90.34 mph (145.39 km/h) |
| 80 mph (128.75 km/h) | 96.36 mph (155.08 km/h) |
| 85 mph (136.79 km/h) | 102.39 mph (164.77 km/h) |
| 90 mph (144.84 km/h) | 108.41 mph (174.47 km/h) |
| 95 mph (152.89 km/h) | 114.43 mph (184.16 km/h) |
| 100 mph (160.93 km/h) | 120.45 mph (193.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1807 | 2099 | 2261 | 2361 | 2468 | 2545 | 2630 | 2730 | 2868 | 3007 | 3160 | 3284 | 3507 | 3753 | 3945 | 4068 | 4137 | 4391 | 4745 | 5514 |
Better Fuel Economy Factory Ratios Increased Power
