Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-14 | 190/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.34 (516.6) | 25.23 (640.8) | 4.89 (124.2) 24% |
| Width inches (mm) | 4.53 (115) | 7.48 (190) | 2.95 (75) 65.2% |
| Circum. inches (mm) | 63.9 (1622.95) | 79.26 (2013.13) | 15.36 (390.19) 24% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 4.11 (104.5) | 0.94 (24) 29.8% |
| Revolutions per mile (km) | 991.62 (616.16) | 799.42 (496.74) | -192.2 (-119.42) -19.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.81 mph (39.93 km/h) |
| 25 mph (40.23 km/h) | 31.01 mph (49.91 km/h) |
| 30 mph (48.28 km/h) | 37.21 mph (59.89 km/h) |
| 35 mph (56.33 km/h) | 43.41 mph (69.87 km/h) |
| 40 mph (64.37 km/h) | 49.62 mph (79.85 km/h) |
| 45 mph (72.42 km/h) | 55.82 mph (89.83 km/h) |
| 50 mph (80.47 km/h) | 62.02 mph (99.81 km/h) |
| 55 mph (88.51 km/h) | 68.22 mph (109.79 km/h) |
| 60 mph (96.56 km/h) | 74.43 mph (119.78 km/h) |
| 65 mph (104.61 km/h) | 80.63 mph (129.76 km/h) |
| 70 mph (112.65 km/h) | 86.83 mph (139.74 km/h) |
| 75 mph (120.7 km/h) | 93.03 mph (149.72 km/h) |
| 80 mph (128.75 km/h) | 99.23 mph (159.7 km/h) |
| 85 mph (136.79 km/h) | 105.44 mph (169.68 km/h) |
| 90 mph (144.84 km/h) | 111.64 mph (179.66 km/h) |
| 95 mph (152.89 km/h) | 117.84 mph (189.65 km/h) |
| 100 mph (160.93 km/h) | 124.04 mph (199.63 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
