Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder vs Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless
Updated July 2026 — Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless leads on rank and price.
The Milwaukee 2888-20 offers great value with versatile features, while the Milwaukee M18 FUEL excels in power and accessibility.
Why Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder is better
Lower Price
Milwaukee 2888-20 is $66.90 cheaper.
Variable Speed
Offers 5 speed settings for versatility.
Bestseller Rank
Higher sales rank at 11,053.
Why Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless is better
Power Output
Generates power equivalent to an 11A corded grinder.
Battery Efficiency
Uses M18 REDLITHIUM HIGH OUTPUT batteries for longer runtime.
Design
Low-profile design allows access to tight spaces.
Overall score
Specifications
| Spec | Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder | Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless |
|---|---|---|
| Max RPM | 8500 | 8500 |
| Variable Speed | Yes | No |
| Brake Time | 2 seconds | 2 seconds |
| Power Source | Battery | Battery |
| Weight | Light | Heavy |
Dimension comparison
Overview of the Milwaukee 2888-20 and Milwaukee M18 FUEL
The Milwaukee 2888-20 is priced at $141.08, while the Milwaukee M18 FUEL is available for $207.98, making the former about 32% cheaper. Both tools deliver impressive performance, but their features cater to different user needs. The Milwaukee 2888-20 offers a variable speed feature and a powerful braking system, while the M18 FUEL focuses on accessibility and enhanced power delivery.
Performance Comparison
In terms of performance, the Milwaukee 2888-20 delivers a maximum speed of 8,500 RPM, suitable for a variety of grinding tasks. It features a variable speed setting that allows users to select from five different speeds, which can range from 3,500 RPM to 8,500 RPM. Meanwhile, the Milwaukee M18 FUEL also reaches 8,500 RPM but is designed to generate power equivalent to an 11A corded grinder. This means that while both grinders can achieve the same rotational speed, the M18 FUEL potentially offers more sustained power during demanding tasks.
Design and Usability
The Milwaukee 2888-20 features a paddle switch and a tool-free guard adjustment, making it user-friendly for quick accessory changes. On the other hand, the M18 FUEL is designed with a low-profile, flathead design that enables access to tighter spaces where traditional grinders may struggle. This design consideration offers more versatility in tasks that require precision in confined areas.
Safety Features
Safety is a paramount concern for both tools. The Milwaukee 2888-20 includes a braking system that stops the wheel in less than two seconds, ensuring user safety during operation. Similarly, the Milwaukee M18 FUEL incorporates a RAPIDSTOP brake that stops most wheels in the same timeframe. Both grinders prioritize safety, but the M18 FUEL also features REDLINK PLUS Intelligence, which protects against overload and overheating, adding an extra layer of safety during intensive jobs.
Battery and Power
While the Milwaukee 2888-20 is a tool-only option, the Milwaukee M18 FUEL is part of a system that utilizes M18 REDLITHIUM HIGH OUTPUT XC6.0 Batteries. These batteries provide 50% more power while running 50% cooler compared to previous models. This allows the M18 FUEL to sustain longer operation times, making it a better choice for extended tasks, especially in professional settings where time and power efficiency are crucial.
Price Point and Value
The price difference between the Milwaukee 2888-20 and the Milwaukee M18 FUEL is significant, with the latter being around $66.90 more expensive. Considering the M18 FUEL's additional features and enhanced power capabilities, users need to assess whether these benefits justify the higher price. For casual users or those on a budget, the Milwaukee 2888-20 offers great value with its lower price point and versatile features.
Customer Reception
Both products have garnered attention in the market, with the Milwaukee 2888-20 achieving a bestseller rank of 11,053, indicating a solid reception among users. The Milwaukee M18 FUEL, with a rank of 22,280, suggests that while it has a dedicated following, it may not be as widely purchased as its counterpart. Customer reviews often highlight the performance and reliability of both tools, suggesting that user satisfaction is high across the board.
Which should you buy?
Deciding between the Milwaukee 2888-20 and the Milwaukee M18 FUEL ultimately depends on your specific needs. If you're looking for a cost-effective, versatile grinder with variable speed settings and reliable braking, the Milwaukee 2888-20 at $141.08 is an excellent choice. However, if you require a tool that can handle tough tasks in tight spaces with superior battery technology, the Milwaukee M18 FUEL, priced at $207.98, may be worth the investment.

