Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-17 | 175/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.39 (695.8) | 28.02 (711.8) | 0.63 (16) 2.3% |
| Width inches (mm) | 6.5 (165) | 6.89 (175) | 0.39 (10) 6.1% |
| Circum. inches (mm) | 86.06 (2185.92) | 88.04 (2236.19) | 1.98 (50.27) 2.3% |
| Sidewall Height inches (mm) | 5.2 (132) | 5.51 (140) | 0.31 (8) 6.1% |
| Revolutions per mile (km) | 736.23 (457.47) | 719.68 (447.19) | -16.55 (-10.28) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.46 mph (32.93 km/h) |
| 25 mph (40.23 km/h) | 25.57 mph (41.16 km/h) |
| 30 mph (48.28 km/h) | 30.69 mph (49.39 km/h) |
| 35 mph (56.33 km/h) | 35.8 mph (57.62 km/h) |
| 40 mph (64.37 km/h) | 40.92 mph (65.85 km/h) |
| 45 mph (72.42 km/h) | 46.03 mph (74.09 km/h) |
| 50 mph (80.47 km/h) | 51.15 mph (82.32 km/h) |
| 55 mph (88.51 km/h) | 56.26 mph (90.55 km/h) |
| 60 mph (96.56 km/h) | 61.38 mph (98.78 km/h) |
| 65 mph (104.61 km/h) | 66.49 mph (107.01 km/h) |
| 70 mph (112.65 km/h) | 71.61 mph (115.24 km/h) |
| 75 mph (120.7 km/h) | 76.72 mph (123.48 km/h) |
| 80 mph (128.75 km/h) | 81.84 mph (131.71 km/h) |
| 85 mph (136.79 km/h) | 86.95 mph (139.94 km/h) |
| 90 mph (144.84 km/h) | 92.07 mph (148.17 km/h) |
| 95 mph (152.89 km/h) | 97.18 mph (156.4 km/h) |
| 100 mph (160.93 km/h) | 102.3 mph (164.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1831 | 2128 | 2291 | 2393 | 2502 | 2580 | 2665 | 2767 | 2907 | 3047 | 3203 | 3328 | 3554 | 3803 | 3998 | 4123 | 4193 | 4450 | 4809 | 5588 |
Better Fuel Economy Factory Ratios Increased Power
