Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/65-15 | 165/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.93 (582.5) | 21.5 (546) | -1.44 (-36.5) -6.3% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 72.05 (1829.98) | 67.53 (1715.31) | -4.51 (-114.67) -6.3% |
| Sidewall Height inches (mm) | 3.97 (100.75) | 3.25 (82.5) | -0.72 (-18.25) -18.1% |
| Revolutions per mile (km) | 879.43 (546.45) | 938.22 (582.98) | 58.79 (36.53) 6.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.75 mph (30.17 km/h) |
| 25 mph (40.23 km/h) | 23.43 mph (37.71 km/h) |
| 30 mph (48.28 km/h) | 28.12 mph (45.26 km/h) |
| 35 mph (56.33 km/h) | 32.81 mph (52.8 km/h) |
| 40 mph (64.37 km/h) | 37.49 mph (60.34 km/h) |
| 45 mph (72.42 km/h) | 42.18 mph (67.88 km/h) |
| 50 mph (80.47 km/h) | 46.87 mph (75.43 km/h) |
| 55 mph (88.51 km/h) | 51.55 mph (82.97 km/h) |
| 60 mph (96.56 km/h) | 56.24 mph (90.51 km/h) |
| 65 mph (104.61 km/h) | 60.93 mph (98.05 km/h) |
| 70 mph (112.65 km/h) | 65.61 mph (105.6 km/h) |
| 75 mph (120.7 km/h) | 70.3 mph (113.14 km/h) |
| 80 mph (128.75 km/h) | 74.99 mph (120.68 km/h) |
| 85 mph (136.79 km/h) | 79.67 mph (128.22 km/h) |
| 90 mph (144.84 km/h) | 84.36 mph (135.77 km/h) |
| 95 mph (152.89 km/h) | 89.05 mph (143.31 km/h) |
| 100 mph (160.93 km/h) | 93.73 mph (150.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
