Milwaukee M12 FUEL 12-Volt Li-Ion Brushless vs Milwaukee M18 FUEL 5 Tool Combo Kit
Updated July 2026 — Milwaukee M12 FUEL 12-Volt Li-Ion Brushless wins on rpm and torque, Milwaukee M18 FUEL 5 Tool Combo Kit wins on price and weight.
The Milwaukee M12 FUEL Combo Kit is ideal for portability and basic tasks, while the M18 FUEL Combo Kit offers more tools and versatility for larger projects.
Why Milwaukee M12 FUEL 12-Volt Li-Ion Brushless is better
Price
M12 kit is 48% cheaper than M18 kit.
Weight
M12 kit weighs only 2.8 lbs.
Compactness
M12 kit is more compact for tight spaces.
Why Milwaukee M18 FUEL 5 Tool Combo Kit is better
Tool Variety
M18 kit includes five tools compared to two.
Power
M18 kit has advanced drilling capabilities.
Compatibility
M18 kit is compatible with over 250 tools.
Overall score
Specifications
| Spec | Milwaukee M12 FUEL 12-Volt Li-Ion Brushless | Milwaukee M18 FUEL 5 Tool Combo Kit |
|---|---|---|
| Brand | Milwaukee | Milwaukee |
| Hammer Drill | 12-Volt | 18-Volt |
| Impact Driver | Yes | Yes |
| Recip Saw | No | Yes |
| Circular Saw | No | Yes |
| LED Light | No | Yes |
Dimension comparison
Overview of the Products
The Milwaukee M12 FUEL 12-Volt Li-Ion Brushless Cordless Hammer Drill and Impact Driver Combo Kit is priced at $369.97, making it about 48% cheaper than the Milwaukee M18 FUEL 5 Tool Combo Kit, which costs $715.22. Both products come from Milwaukee, a reputable brand known for its quality power tools. The M12 kit includes two essential tools, while the M18 kit offers five tools, making it a more comprehensive option for those needing a wider range of capabilities.
Tool Variety and Functionality
The Milwaukee M12 FUEL Combo Kit includes a hammer drill and an impact driver, which are ideal for drilling and fastening tasks. In contrast, the Milwaukee M18 FUEL Combo Kit boasts five tools, including a hammer drill, impact driver, reciprocating saw, circular saw, and an LED work light. This variety makes the M18 kit suitable for more extensive projects requiring diverse tools. While the M12 kit excels in compactness and weight, weighing only 2.8 lbs, the M18 kit provides advanced functionalities for both drilling and cutting applications.
Power and Performance
The Milwaukee M12 FUEL Combo Kit features a hammer drill that delivers 350 in. lbs. of torque and operates at speeds up to 1700 RPM. The impact driver achieves a driving speed of 3300 RPM, which enhances its efficiency for quick fastening. Conversely, the Milwaukee M18 FUEL Kit includes a hammer drill that, while slightly heavier at 6.9 inches, provides advanced drilling capabilities suitable for various tasks. The M18 kit's tools are designed for heavier applications, appealing to users who require power over portability.
Battery Life and Charging
Both products come with advanced battery technology, but their capacities differ significantly. The M12 FUEL Combo Kit includes a REDLITHIUM 2.0 compact battery and a REDLITHIUM XC 4.0 extended capacity battery, ensuring longer run times for lighter-duty tasks. Meanwhile, the M18 FUEL Combo Kit operates on the M18 18-volt lithium-ion system, which is compatible with over 250 tools, providing greater versatility for users who already own other M18 tools. This compatibility can be a significant advantage for those looking to expand their tool collection.
Weight and Portability
The Milwaukee M12 FUEL Combo Kit is notably lighter and more compact, weighing only 2.8 lbs and featuring tools designed for access in tight spaces. This makes it an excellent choice for users who prioritize portability and ease of use in confined areas. In contrast, the M18 FUEL Combo Kit, while heavier, offers more robust tools that may be necessary for heavier tasks. The weight difference is considerable, making the M12 kit preferable for long hours of work without fatigue.
User Ratings and Popularity
The Milwaukee M12 FUEL Combo Kit has a sales rank of 90,897, reflecting its popularity among users looking for compact power tools. The Milwaukee M18 FUEL Combo Kit ranks slightly better at 90,511, indicating a higher demand for its more extensive tool lineup. Both products are well-regarded, but the M18 kit's inclusion of additional tools may appeal to a broader audience, particularly those working on larger projects.
Price Comparison
At $369.97, the Milwaukee M12 FUEL Combo Kit is about 48% cheaper than the Milwaukee M18 FUEL Combo Kit, which retails for $715.22. This price difference may significantly impact a buyer's decision, especially for those with budget constraints. While the M12 kit provides essential tools for smaller tasks, the M18 kit's higher price reflects its broader functionality and versatility, making it a worthwhile investment for professionals or serious DIYers.
Which should you buy?
When deciding between the Milwaukee M12 FUEL 12-Volt Li-Ion Brushless Combo Kit and the Milwaukee M18 FUEL 5 Tool Combo Kit, consider your specific needs. If you require a lightweight and compact solution for basic drilling and fastening tasks, the M12 kit, priced at $369.97, is the better choice. However, for those who demand versatility and the ability to tackle a wider range of projects, the more expensive M18 kit at $715.22 offers five tools, advanced functionalities, and compatibility with a larger ecosystem of tools. Ultimately, your choice should align with the scale of your projects and your budgetary preferences.

