Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 175/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 23.58 (598.9) | -2.07 (-52.7) -8.1% |
| Width inches (mm) | 6.5 (165) | 6.89 (175) | 0.39 (10) 6.1% |
| Circum. inches (mm) | 80.59 (2047.06) | 74.07 (1881.5) | -6.52 (-165.56) -8.1% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 3.79 (96.25) | -1.54 (-39.05) -28.9% |
| Revolutions per mile (km) | 786.17 (488.5) | 855.35 (531.49) | 69.18 (42.99) 8.8% |
175/55-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.38 mph (29.58 km/h) |
| 25 mph (40.23 km/h) | 22.98 mph (36.98 km/h) |
| 30 mph (48.28 km/h) | 27.57 mph (44.38 km/h) |
| 35 mph (56.33 km/h) | 32.17 mph (51.77 km/h) |
| 40 mph (64.37 km/h) | 36.76 mph (59.17 km/h) |
| 45 mph (72.42 km/h) | 41.36 mph (66.56 km/h) |
| 50 mph (80.47 km/h) | 45.96 mph (73.96 km/h) |
| 55 mph (88.51 km/h) | 50.55 mph (81.36 km/h) |
| 60 mph (96.56 km/h) | 55.15 mph (88.75 km/h) |
| 65 mph (104.61 km/h) | 59.74 mph (96.15 km/h) |
| 70 mph (112.65 km/h) | 64.34 mph (103.54 km/h) |
| 75 mph (120.7 km/h) | 68.93 mph (110.94 km/h) |
| 80 mph (128.75 km/h) | 73.53 mph (118.33 km/h) |
| 85 mph (136.79 km/h) | 78.13 mph (125.73 km/h) |
| 90 mph (144.84 km/h) | 82.72 mph (133.13 km/h) |
| 95 mph (152.89 km/h) | 87.32 mph (140.52 km/h) |
| 100 mph (160.93 km/h) | 91.91 mph (147.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2177 | 2529 | 2723 | 2844 | 2973 | 3066 | 3168 | 3288 | 3455 | 3622 | 3807 | 3955 | 4224 | 4520 | 4752 | 4900 | 4983 | 5289 | 5715 | 6641 |
Better Fuel Economy Factory Ratios Increased Power
