Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-17 | 165/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.58 (624.3) | 26.09 (662.8) | 1.52 (38.5) 6.2% |
| Width inches (mm) | 6.89 (175) | 6.5 (165) | -0.39 (-10) -5.7% |
| Circum. inches (mm) | 77.22 (1961.3) | 81.98 (2082.25) | 4.76 (120.95) 6.2% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 4.55 (115.5) | 0.76 (19.25) 20% |
| Revolutions per mile (km) | 820.55 (509.87) | 772.89 (480.25) | -47.66 (-29.62) -5.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.23 mph (34.17 km/h) |
| 25 mph (40.23 km/h) | 26.54 mph (42.71 km/h) |
| 30 mph (48.28 km/h) | 31.85 mph (51.26 km/h) |
| 35 mph (56.33 km/h) | 37.16 mph (59.8 km/h) |
| 40 mph (64.37 km/h) | 42.47 mph (68.34 km/h) |
| 45 mph (72.42 km/h) | 47.78 mph (76.89 km/h) |
| 50 mph (80.47 km/h) | 53.08 mph (85.43 km/h) |
| 55 mph (88.51 km/h) | 58.39 mph (93.97 km/h) |
| 60 mph (96.56 km/h) | 63.7 mph (102.52 km/h) |
| 65 mph (104.61 km/h) | 69.01 mph (111.06 km/h) |
| 70 mph (112.65 km/h) | 74.32 mph (119.6 km/h) |
| 75 mph (120.7 km/h) | 79.63 mph (128.14 km/h) |
| 80 mph (128.75 km/h) | 84.93 mph (136.69 km/h) |
| 85 mph (136.79 km/h) | 90.24 mph (145.23 km/h) |
| 90 mph (144.84 km/h) | 95.55 mph (153.77 km/h) |
| 95 mph (152.89 km/h) | 100.86 mph (162.32 km/h) |
| 100 mph (160.93 km/h) | 106.17 mph (170.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1967 | 2285 | 2461 | 2569 | 2687 | 2770 | 2862 | 2971 | 3122 | 3273 | 3440 | 3574 | 3817 | 4084 | 4294 | 4428 | 4503 | 4779 | 5164 | 6001 |
Better Fuel Economy Factory Ratios Increased Power
