| Design | | Acceptable Design - While this driver has one or more design features that received a C rating, it can still be a good choice if that area is not critical to your particular needs. |
| Power | √ | Powerful - Generates 1416 in-lbs of maximum torque, about 1% higher than the average impact driver. Ranks in the top 29% of its class for power. |
| Speed | √ | Fast - Runs at speeds up to 2650 RPM, about 4% faster than the average driver in its class. The Metabo SSD18 ranks in the top 24% of all impact drivers for speed. |
| Weight | | Heavier Than Average - Weighs 4 lbs, about 11% heavier than the class average. Heavier drivers are often more durable, but you should consider operator fatgue. |
| Battery | √ | Long Run-Time - Li-ion batteries are rated at 2.6 Ah and provide 18% longer than average run-time. Ranks in the top 39% of its class for battery runtime. |
| Impact | √ | High Impact Rate - Delivers up to 3300 IPM of blows, about 6% higher than the average impact driver. Ranks in the top 5% of its class for impact rate. |
| User Reviews | | No User Reviews - Reliable user reviews and ratings are not currently available for this Metabo impact driver. |
| Power Ratio | | Below Average Power Ratio - Power-to-Weight ratio is 7% below average and ranks in the bottom 25% of its class. P/W is a good indicator of driver efficiency. |
| Gearbox | √ | All-Metal Gearbox - Transmission gears spin at high RPMs and are susceptible to material break-down. An all-metal gear-box provides superior ruggedness and durability. |
| Motor Brushes | | No External Access - The motor brushes can only be accessed internally by taking the driver apart. While not a common problem, external access makes the replacement job much easier. |
| Warranty | √ | Longer Warranty - Backed by Metabo's limited 3-year warranty. This provides extra protection against potential design defects or premature part failure. |
| Charger | √ | Quick Charge - The Metabo SSD18 includes a battery charger that will recharge a battery in only 30 minutes. Long charge times are a common complaint with some drivers. |
| Belt Hook | | No Belt Hook - Does not include this convenient feature that frees-up both your hands to perform other tasks in-between driving. |
| Work Light | √ | Work Light - Contains an integrated LED work light that illuminates your work area and allows you to clearly see your driving position and progress. |
| Fuel Gauge | √ | Fuel Gauge - Equipped with an on-board battery charge indicator that keeps you aware of your remaining battery life. No more dead driver surprises during the middle of a job. |