Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-17 | 205/70-17.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.91 (759.8) | 28.8 (731.5) | -1.11 (-28.3) -3.7% |
| Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
| Circum. inches (mm) | 93.98 (2386.98) | 90.48 (2298.08) | -3.5 (-88.91) -3.7% |
| Sidewall Height inches (mm) | 6.46 (164) | 5.65 (143.5) | -0.81 (-20.5) -12.5% |
| Revolutions per mile (km) | 674.22 (418.94) | 700.3 (435.15) | 26.08 (16.21) 3.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.26 mph (30.99 km/h) |
| 25 mph (40.23 km/h) | 24.07 mph (38.74 km/h) |
| 30 mph (48.28 km/h) | 28.88 mph (46.48 km/h) |
| 35 mph (56.33 km/h) | 33.7 mph (54.23 km/h) |
| 40 mph (64.37 km/h) | 38.51 mph (61.98 km/h) |
| 45 mph (72.42 km/h) | 43.32 mph (69.72 km/h) |
| 50 mph (80.47 km/h) | 48.14 mph (77.47 km/h) |
| 55 mph (88.51 km/h) | 52.95 mph (85.22 km/h) |
| 60 mph (96.56 km/h) | 57.77 mph (92.96 km/h) |
| 65 mph (104.61 km/h) | 62.58 mph (100.71 km/h) |
| 70 mph (112.65 km/h) | 67.39 mph (108.46 km/h) |
| 75 mph (120.7 km/h) | 72.21 mph (116.21 km/h) |
| 80 mph (128.75 km/h) | 77.02 mph (123.95 km/h) |
| 85 mph (136.79 km/h) | 81.83 mph (131.7 km/h) |
| 90 mph (144.84 km/h) | 86.65 mph (139.45 km/h) |
| 95 mph (152.89 km/h) | 91.46 mph (147.19 km/h) |
| 100 mph (160.93 km/h) | 96.28 mph (154.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1782 | 2070 | 2230 | 2328 | 2434 | 2510 | 2594 | 2692 | 2829 | 2965 | 3117 | 3238 | 3458 | 3701 | 3890 | 4012 | 4080 | 4330 | 4679 | 5437 |
Better Fuel Economy Factory Ratios Increased Power
