Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-15 | 190/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.23 (590) | 23.72 (602.6) | 0.5 (12.6) 2.1% |
| Width inches (mm) | 7.48 (190) | 7.48 (190) | 0 (0) 0% |
| Circum. inches (mm) | 72.97 (1853.54) | 74.53 (1893.12) | 1.56 (39.58) 2.1% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 4.86 (123.5) | 0.75 (19) 18.2% |
| Revolutions per mile (km) | 868.25 (539.51) | 850.1 (528.23) | -18.15 (-11.28) -2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.43 mph (32.87 km/h) |
| 25 mph (40.23 km/h) | 25.53 mph (41.09 km/h) |
| 30 mph (48.28 km/h) | 30.64 mph (49.31 km/h) |
| 35 mph (56.33 km/h) | 35.75 mph (57.53 km/h) |
| 40 mph (64.37 km/h) | 40.85 mph (65.75 km/h) |
| 45 mph (72.42 km/h) | 45.96 mph (73.97 km/h) |
| 50 mph (80.47 km/h) | 51.07 mph (82.19 km/h) |
| 55 mph (88.51 km/h) | 56.17 mph (90.4 km/h) |
| 60 mph (96.56 km/h) | 61.28 mph (98.62 km/h) |
| 65 mph (104.61 km/h) | 66.39 mph (106.84 km/h) |
| 70 mph (112.65 km/h) | 71.49 mph (115.06 km/h) |
| 75 mph (120.7 km/h) | 76.6 mph (123.28 km/h) |
| 80 mph (128.75 km/h) | 81.71 mph (131.5 km/h) |
| 85 mph (136.79 km/h) | 86.82 mph (139.72 km/h) |
| 90 mph (144.84 km/h) | 91.92 mph (147.93 km/h) |
| 95 mph (152.89 km/h) | 97.03 mph (156.15 km/h) |
| 100 mph (160.93 km/h) | 102.14 mph (164.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2163 | 2513 | 2706 | 2826 | 2955 | 3047 | 3148 | 3268 | 3434 | 3599 | 3784 | 3931 | 4198 | 4492 | 4723 | 4870 | 4953 | 5256 | 5680 | 6600 |
Better Fuel Economy Factory Ratios Increased Power
