
Makita GA4590 4-1/2" SJS™II High-Power Angle Grinder
Price as of 2026-06-03. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in Angle Grinders
- •Those who want a top-rated option — in the top 1% of Angle Grinders by rating
- •Makita loyalists — the brand spans 134 products in our database
- •You're on a tight budget — $105 above the category average of $139
- •You prefer well-established products — only 10 reviews, so the rating may still shift
- •Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder — 49% cheaper at $124 (Score A-)
📊 Based on data analysis of 55 products in this category.
Mubboo Score: C
How It Compares
This Product Makita GA4590 4-1/2" SJS™II High-Power Angle Grinder | Most Popular DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless | Best Rated Makita 9557PBX1 4-1/2" Paddle Switch Cut-Off/Angle Grinder | Best Value Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion 4-1/2 in. / | |
|---|---|---|---|---|
| Price | $244 | $149.99 | $124 | $168.49 |
| Rating | 5.0/5 | 4.8/5 | 4.8/5 | 4.8/5 |
| Reviews | 10 | 9,562 | 3,958 | 2,383 |
| Mubboo Score | C | A- | A- | B+ |
Quick Specs
- Color
- Teal
- Style
- Angled
- Voltage
- 120 Volts
- Wattage
- 1800 watts
- Material
- Aluminum
- Style Name
- Angled
- Unit Count
- 1.0 Count
- Manufacturer
- Makita
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Check whether a spanner wrench and discs are included, as some models ship without them. For cordless grinders, keep a spare battery handy for longer jobs.
- Powerful Performance
- Great Value for Money
- Comfortable and Ergonomic Handling
- Cordless Convenience
- Versatile for Multiple Tasks
- Difficult or Awkward Switch Operation
- Missing Accessories (Wrench, Discs)
- Short Battery Life on Cordless Models
- Poor Quality Included Wheels
Related Video Reviews
- 📹 I Found The Best Angle Grinder — Alec Steele
- 📹 We Tested 7 Best Angle Grinder For Wood, Metal, Concrete [2026 Reviewed] — Tool Junkie
Key Features
- ✦Powerful 15 AMP motor delivers more output and variable (2,800 - 11,500) RPM
- ✦SJSII provides a leaf spring and cam gear drive mechanism that is engineered to reduce vibration for increased operator comfort during extended use
- ✦Vibration absorbing side handle provides increased comfort on the job
- ✦Electronic controller provides constant speed control which automatically applies additional power to the motor to maintain speed under load
- ✦Electronic Controller provides soft start which is designed to suppress start-up reaction for smooth start-ups and longer gear life
Source: product listing on Amazon.
About Makita
- 134 products in our database
- Average rating: 4.7/5 across all products
- Price range: $4.99 – $2092
- Categories: Angle Grinders, Brooms, Chainsaws, Circular Saws, Cordless Drills, Hand Tool Sets
Other Angle Grinders




Bottom Line
Makita GA4590 4-1/2" SJS™II High-Power Angle Grinder earns Mubboo Score C. Priced at $244 — a premium option, above the category average of $139. Rated 5.0/5 from 10+ reviews. Strong buy if: buyers who prioritize quality over price in angle grinders, those who want a top-rated option. Skip if: you're on a tight budget — DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless (Score A-, $150) may fit better.
Frequently Asked Questions
Is the Makita GA4590 4-1/2" SJS™II High-Power Angle Grinder worth buying in 2026?
It earns a Mubboo Score of C, with a 5.0/5 rating from 10 reviews — better than 100% of Angle Grinders we track.
How much does the Makita GA4590 4-1/2" SJS™II High-Power Angle Grinder cost?
It is currently $244 — premium-tier pricing for Angle Grinders.
How does the GA4590 4-1/2" SJS™II High-Power Angle Grinder compare to other Angle Grinders?
The category's most-reviewed alternative is the DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless (4.8/5, 9,562 reviews, $149.99). The GA4590 4-1/2" SJS™II High-Power Angle Grinder carries a Mubboo Score of C vs A-.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-03) and may change.