Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/75-17 | 205/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.33 (694.3) | 29.91 (759.8) | 2.58 (65.5) 9.4% |
| Width inches (mm) | 6.89 (175) | 8.07 (205) | 1.18 (30) 17.1% |
| Circum. inches (mm) | 85.87 (2181.21) | 93.98 (2386.98) | 8.1 (205.77) 9.4% |
| Sidewall Height inches (mm) | 5.17 (131.25) | 6.46 (164) | 1.29 (32.75) 25% |
| Revolutions per mile (km) | 737.82 (458.46) | 674.22 (418.94) | -63.61 (-39.52) -8.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.89 mph (35.22 km/h) |
| 25 mph (40.23 km/h) | 27.36 mph (44.03 km/h) |
| 30 mph (48.28 km/h) | 32.83 mph (52.84 km/h) |
| 35 mph (56.33 km/h) | 38.3 mph (61.64 km/h) |
| 40 mph (64.37 km/h) | 43.77 mph (70.45 km/h) |
| 45 mph (72.42 km/h) | 49.25 mph (79.25 km/h) |
| 50 mph (80.47 km/h) | 54.72 mph (88.06 km/h) |
| 55 mph (88.51 km/h) | 60.19 mph (96.86 km/h) |
| 60 mph (96.56 km/h) | 65.66 mph (105.67 km/h) |
| 65 mph (104.61 km/h) | 71.13 mph (114.48 km/h) |
| 70 mph (112.65 km/h) | 76.6 mph (123.28 km/h) |
| 75 mph (120.7 km/h) | 82.08 mph (132.09 km/h) |
| 80 mph (128.75 km/h) | 87.55 mph (140.89 km/h) |
| 85 mph (136.79 km/h) | 93.02 mph (149.7 km/h) |
| 90 mph (144.84 km/h) | 98.49 mph (158.51 km/h) |
| 95 mph (152.89 km/h) | 103.96 mph (167.31 km/h) |
| 100 mph (160.93 km/h) | 109.43 mph (176.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1716 | 1993 | 2147 | 2241 | 2344 | 2417 | 2497 | 2592 | 2723 | 2855 | 3001 | 3118 | 3329 | 3563 | 3745 | 3862 | 3928 | 4169 | 4505 | 5235 |
Better Fuel Economy Factory Ratios Increased Power
