Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/55-17 | 195/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.36 (618.8) | 25.44 (646.3) | 1.08 (27.5) 4.4% |
| Width inches (mm) | 6.69 (170) | 7.68 (195) | 0.98 (25) 14.7% |
| Circum. inches (mm) | 76.54 (1944.02) | 79.94 (2030.41) | 3.4 (86.39) 4.4% |
| Sidewall Height inches (mm) | 3.68 (93.5) | 4.22 (107.25) | 0.54 (13.75) 14.7% |
| Revolutions per mile (km) | 827.84 (514.4) | 792.62 (492.51) | -35.22 (-21.89) -4.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.89 mph (33.62 km/h) |
| 25 mph (40.23 km/h) | 26.11 mph (42.02 km/h) |
| 30 mph (48.28 km/h) | 31.33 mph (50.43 km/h) |
| 35 mph (56.33 km/h) | 36.56 mph (58.83 km/h) |
| 40 mph (64.37 km/h) | 41.78 mph (67.23 km/h) |
| 45 mph (72.42 km/h) | 47 mph (75.64 km/h) |
| 50 mph (80.47 km/h) | 52.22 mph (84.04 km/h) |
| 55 mph (88.51 km/h) | 57.44 mph (92.45 km/h) |
| 60 mph (96.56 km/h) | 62.67 mph (100.85 km/h) |
| 65 mph (104.61 km/h) | 67.89 mph (109.26 km/h) |
| 70 mph (112.65 km/h) | 73.11 mph (117.66 km/h) |
| 75 mph (120.7 km/h) | 78.33 mph (126.07 km/h) |
| 80 mph (128.75 km/h) | 83.56 mph (134.47 km/h) |
| 85 mph (136.79 km/h) | 88.78 mph (142.87 km/h) |
| 90 mph (144.84 km/h) | 94 mph (151.28 km/h) |
| 95 mph (152.89 km/h) | 99.22 mph (159.68 km/h) |
| 100 mph (160.93 km/h) | 104.44 mph (168.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 2343 | 2523 | 2635 | 2755 | 2841 | 2935 | 3047 | 3202 | 3356 | 3528 | 3665 | 3914 | 4189 | 4403 | 4541 | 4618 | 4901 | 5296 | 6154 |
Better Fuel Economy Factory Ratios Increased Power
