Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/65-15 | 165/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.44 (595.5) | 22.15 (562.5) | -1.3 (-33) -5.5% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 73.65 (1870.82) | 69.57 (1767.15) | -4.08 (-103.67) -5.5% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 3.57 (90.75) | -0.65 (-16.5) -15.4% |
| Revolutions per mile (km) | 860.24 (534.52) | 910.7 (565.88) | 50.47 (31.36) 5.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.89 mph (30.4 km/h) |
| 25 mph (40.23 km/h) | 23.61 mph (38 km/h) |
| 30 mph (48.28 km/h) | 28.34 mph (45.6 km/h) |
| 35 mph (56.33 km/h) | 33.06 mph (53.21 km/h) |
| 40 mph (64.37 km/h) | 37.78 mph (60.81 km/h) |
| 45 mph (72.42 km/h) | 42.51 mph (68.41 km/h) |
| 50 mph (80.47 km/h) | 47.23 mph (76.01 km/h) |
| 55 mph (88.51 km/h) | 51.95 mph (83.61 km/h) |
| 60 mph (96.56 km/h) | 56.68 mph (91.21 km/h) |
| 65 mph (104.61 km/h) | 61.4 mph (98.81 km/h) |
| 70 mph (112.65 km/h) | 66.12 mph (106.41 km/h) |
| 75 mph (120.7 km/h) | 70.84 mph (114.01 km/h) |
| 80 mph (128.75 km/h) | 75.57 mph (121.61 km/h) |
| 85 mph (136.79 km/h) | 80.29 mph (129.21 km/h) |
| 90 mph (144.84 km/h) | 85.01 mph (136.81 km/h) |
| 95 mph (152.89 km/h) | 89.74 mph (144.42 km/h) |
| 100 mph (160.93 km/h) | 94.46 mph (152.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2318 | 2692 | 2899 | 3028 | 3166 | 3264 | 3373 | 3501 | 3679 | 3856 | 4053 | 4211 | 4497 | 4813 | 5059 | 5217 | 5306 | 5631 | 6085 | 7071 |
Better Fuel Economy Factory Ratios Increased Power
