Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/45-17 | 175/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.91 (607.3) | 24.58 (624.3) | 0.67 (17) 2.8% |
| Width inches (mm) | 7.68 (195) | 6.89 (175) | -0.79 (-20) -10.3% |
| Circum. inches (mm) | 75.11 (1907.89) | 77.22 (1961.3) | 2.1 (53.41) 2.8% |
| Sidewall Height inches (mm) | 3.45 (87.75) | 3.79 (96.25) | 0.33 (8.5) 9.7% |
| Revolutions per mile (km) | 843.52 (524.14) | 820.55 (509.87) | -22.97 (-14.27) -2.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.56 mph (33.09 km/h) |
| 25 mph (40.23 km/h) | 25.7 mph (41.36 km/h) |
| 30 mph (48.28 km/h) | 30.84 mph (49.63 km/h) |
| 35 mph (56.33 km/h) | 35.98 mph (57.9 km/h) |
| 40 mph (64.37 km/h) | 41.12 mph (66.18 km/h) |
| 45 mph (72.42 km/h) | 46.26 mph (74.45 km/h) |
| 50 mph (80.47 km/h) | 51.4 mph (82.72 km/h) |
| 55 mph (88.51 km/h) | 56.54 mph (90.99 km/h) |
| 60 mph (96.56 km/h) | 61.68 mph (99.26 km/h) |
| 65 mph (104.61 km/h) | 66.82 mph (107.54 km/h) |
| 70 mph (112.65 km/h) | 71.96 mph (115.81 km/h) |
| 75 mph (120.7 km/h) | 77.1 mph (124.08 km/h) |
| 80 mph (128.75 km/h) | 82.24 mph (132.35 km/h) |
| 85 mph (136.79 km/h) | 87.38 mph (140.62 km/h) |
| 90 mph (144.84 km/h) | 92.52 mph (148.9 km/h) |
| 95 mph (152.89 km/h) | 97.66 mph (157.17 km/h) |
| 100 mph (160.93 km/h) | 102.8 mph (165.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2088 | 2426 | 2612 | 2728 | 2852 | 2941 | 3039 | 3154 | 3314 | 3474 | 3652 | 3794 | 4052 | 4336 | 4558 | 4701 | 4781 | 5074 | 5482 | 6371 |
Better Fuel Economy Factory Ratios Increased Power
