Quick takeaway
Bosch PS31-2A 12V Max Drill Driver leads this matchup 1 to 2 on measured spec rows and by 20 points overall. Bosch PS31-2A 12V Max Drill Driver is also about $100.00 cheaper at the latest tracked price.
Bosch PS31-2A 12V Max Drill Driver vs Makita DDF485Z 18V Brushless
Choose Bosch PS31-2A 12V Max Drill Driver if...
Pick Bosch PS31-2A 12V Max Drill Driver if chuck size are the reasons you are shopping in this category.
Choose Makita DDF485Z 18V Brushless if...
Pick Makita DDF485Z 18V Brushless if voltage and model number are the reasons you are shopping in this category. It currently costs about $100.00 more, so make sure those wins matter to you.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Performance
| Spec | Bosch PS31-2A 12V Max Drill Driver | Makita DDF485Z 18V Brushless |
|---|---|---|
| Motor | - | Brushless |
Battery and power
| Spec | Bosch PS31-2A 12V Max Drill Driver | Makita DDF485Z 18V Brushless |
|---|---|---|
| Power Source | Cordless | Cordless |
| Voltage | 12V | 18V ✓ |
General
| Spec | Bosch PS31-2A 12V Max Drill Driver | Makita DDF485Z 18V Brushless |
|---|---|---|
| Brand | Bosch | Makita |
| Category | Power drill | Power drill |
| Chuck Size | 3/8-inch ✓ | 1/2-inch |
| Model Number | PS31-2A | DDF485Z ✓ |
| Type | Drill/Driver | Drill/Driver |
The verdict
Based on 10 spec comparisons plus user ratings, the Bosch PS31-2A 12V Max Drill Driver comes out ahead with a stronger overall score.
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the Bosch PS31-2A 12V Max Drill Driver vs Makita DDF485Z 18V Brushless score measuring?
VSFinder compares 6 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $69.00 for Bosch PS31-2A 12V Max Drill Driver and $169.00 for Makita DDF485Z 18V Brushless.