Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/50-17 | 190/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.28 (616.8) | 25.23 (640.8) | 0.94 (24) 3.9% |
| Width inches (mm) | 7.28 (185) | 7.48 (190) | 0.2 (5) 2.7% |
| Circum. inches (mm) | 76.29 (1937.73) | 79.26 (2013.13) | 2.97 (75.4) 3.9% |
| Sidewall Height inches (mm) | 3.64 (92.5) | 4.11 (104.5) | 0.47 (12) 13% |
| Revolutions per mile (km) | 830.53 (516.07) | 799.42 (496.74) | -31.11 (-19.33) -3.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.78 mph (33.44 km/h) |
| 25 mph (40.23 km/h) | 25.97 mph (41.8 km/h) |
| 30 mph (48.28 km/h) | 31.17 mph (50.16 km/h) |
| 35 mph (56.33 km/h) | 36.36 mph (58.52 km/h) |
| 40 mph (64.37 km/h) | 41.56 mph (66.88 km/h) |
| 45 mph (72.42 km/h) | 46.75 mph (75.24 km/h) |
| 50 mph (80.47 km/h) | 51.95 mph (83.6 km/h) |
| 55 mph (88.51 km/h) | 57.14 mph (91.96 km/h) |
| 60 mph (96.56 km/h) | 62.33 mph (100.32 km/h) |
| 65 mph (104.61 km/h) | 67.53 mph (108.68 km/h) |
| 70 mph (112.65 km/h) | 72.72 mph (117.04 km/h) |
| 75 mph (120.7 km/h) | 77.92 mph (125.4 km/h) |
| 80 mph (128.75 km/h) | 83.11 mph (133.76 km/h) |
| 85 mph (136.79 km/h) | 88.31 mph (142.12 km/h) |
| 90 mph (144.84 km/h) | 93.5 mph (150.48 km/h) |
| 95 mph (152.89 km/h) | 98.7 mph (158.84 km/h) |
| 100 mph (160.93 km/h) | 103.89 mph (167.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2034 | 2363 | 2545 | 2658 | 2779 | 2865 | 2961 | 3073 | 3229 | 3385 | 3558 | 3697 | 3948 | 4225 | 4441 | 4580 | 4657 | 4943 | 5341 | 6207 |
Better Fuel Economy Factory Ratios Increased Power
