Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/70-15 | 190/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.47 (647) | 22.48 (571) | -2.99 (-76) -11.7% |
| Width inches (mm) | 7.48 (190) | 7.48 (190) | 0 (0) 0% |
| Circum. inches (mm) | 80.02 (2032.61) | 70.62 (1793.85) | -9.4 (-238.76) -11.7% |
| Sidewall Height inches (mm) | 5.24 (133) | 3.74 (95) | -1.5 (-38) -28.6% |
| Revolutions per mile (km) | 791.76 (491.98) | 897.15 (557.46) | 105.38 (65.48) 13.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.65 mph (28.41 km/h) |
| 25 mph (40.23 km/h) | 22.06 mph (35.51 km/h) |
| 30 mph (48.28 km/h) | 26.48 mph (42.61 km/h) |
| 35 mph (56.33 km/h) | 30.89 mph (49.71 km/h) |
| 40 mph (64.37 km/h) | 35.3 mph (56.81 km/h) |
| 45 mph (72.42 km/h) | 39.71 mph (63.91 km/h) |
| 50 mph (80.47 km/h) | 44.13 mph (71.02 km/h) |
| 55 mph (88.51 km/h) | 48.54 mph (78.12 km/h) |
| 60 mph (96.56 km/h) | 52.95 mph (85.22 km/h) |
| 65 mph (104.61 km/h) | 57.36 mph (92.32 km/h) |
| 70 mph (112.65 km/h) | 61.78 mph (99.42 km/h) |
| 75 mph (120.7 km/h) | 66.19 mph (106.52 km/h) |
| 80 mph (128.75 km/h) | 70.6 mph (113.62 km/h) |
| 85 mph (136.79 km/h) | 75.02 mph (120.73 km/h) |
| 90 mph (144.84 km/h) | 79.43 mph (127.83 km/h) |
| 95 mph (152.89 km/h) | 83.84 mph (134.93 km/h) |
| 100 mph (160.93 km/h) | 88.25 mph (142.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2283 | 2652 | 2856 | 2983 | 3119 | 3216 | 3323 | 3449 | 3624 | 3799 | 3993 | 4148 | 4430 | 4741 | 4984 | 5139 | 5227 | 5547 | 5994 | 6966 |
Better Fuel Economy Factory Ratios Increased Power
