SENIX 21-Inch Gas Lawn Mower
144cc 4-Cycle Engine with 3.4 HP - 3-in-1 Side Discharge Mulching & Bagging for 1/3 Acre Yards, 6-Position…
Price as of 2026-06-03. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$79–$229
- Mid-range:$229–$507← You are here
- Premium:$507+
Is This Right For You?
- •SENIX loyalists — the brand spans 24 products in our database
- •American Lawn Mower Company 1815-18 18-Inch 5-Blade Push Reel Lawn Mower — 58% cheaper at $142 (Score A)
- •Greenworks 80V 21" Brushless Cordless — higher rated at 4.6/5 ($600)
📊 Based on data analysis of 24 products in this category.
Mubboo Score: B-
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Lawn Mowers
Computed from live Amazon rating, review count, and price across 24 Lawn Mowers available to US consumers · last refreshed 2026-06-03.
How It Compares
This Product SENIX 21-Inch Gas Lawn Mower | Most Popular American Lawn Mower Company 1815-18 18-Inch 5-Blade Push Reel Lawn Mower | Best Rated Greenworks 80V 21" Brushless Cordless | Best Value EGO Power+ Electric Lawn Mower | |
|---|---|---|---|---|
| Price | $339 | $141.98 | $599.99 | $499 |
| Rating | 4.3/5 | 4.3/5 | 4.6/5 | 4.5/5 |
| Reviews | 245 | 22,438 | 1,948 | 2,110 |
| Mubboo Score | B- | A | B | B+ |
Quick Specs
- Color
- Blue
- Style
- 21 Inch 3-in-1 Gas Mower
- Material
- Alloy Steel
- Style Name
- 21 Inch 3-in-1 Gas Mower
- Unit Count
- 1.0 Count
- Item Weight
- 54.2 Pounds
- Manufacturer
- SENIX
- Model Number
- A025054-A
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Best for small, frequently maintained lawns; avoid tall grass and clear debris to prevent jams. For cordless models, consider an extra battery for larger yards.
- Lightweight and easy to maneuver
- Quiet and fume-free operation
- Eco-friendly, no gas required
- Perfect for small lawns and light maintenance
- Struggles with tall or thick grass
- Easily stopped by twigs and debris
- Battery drains fast on heavy growth
Expert Picks in Lawn Mowers
- Ego LM2236SP Power+ 1000 Series 56-volt Self-Propelled Battery Mower — Best overall
- Ego LM2135SP Power+ 21″ Select Cut Mower — Great mower with fewer features
- Ryobi RY40HPLM02K2 40V HP 21" Self-Propelled Mower — Best for Ryobi battery users
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
Key Features
- ✦Effortless Maintenance for Medium-Sized Yards: Designed specifically for tackling up to a 1/3-acre lawn, this 21-inch gas mower features a durable DC04-06 high-strength steel deck.…
- ✦Powerful 144cc Engine with Seconds-Fast Startup: Say goodbye to frustrating pull-starts. This reliable 144cc 4-cycle OHV engine comes pre-filled with oil, allowing for immediate st…
- ✦Versatile 3-in-1 Mowing Flexibility: Adapt to any season or grass condition with ease. The versatile steel deck seamlessly switches between rear bagging, side discharge, and mulchi…
- ✦Precise 6-Position Height Adjustment & All-Terrain Control: Achieve the perfect lawn aesthetic with dual-lever height adjustment, offering 6 cutting heights from 1.25 to 3.75 inche…
- ✦Complete Ready-to-Mow Package & Warranty Support: Unbox and start working immediately—your package includes the 21'' push mower, pre-filled engine oil, mulch plug, side discharge c…
Source: product listing on Amazon.
About SENIX
- 24 products in our database
- Average rating: 4.5/5 across all products
- Price range: $71.10 – $549
- Categories: Chainsaws, Garden Tillers, Hedge Trimmers, Lawn Mowers, Snow Blowers
If not the 21-Inch Gas Lawn Mower, consider these
Bottom Line
SENIX 21-Inch Gas Lawn Mower earns Mubboo Score B-. Priced at $339 — a mid-range option, below the category average of $531. Rated 4.3/5 from 245+ reviews. Strong buy if: senix loyalists.
Frequently Asked Questions
Is the SENIX 21-Inch Gas Lawn Mower worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.3/5 rating from 245 reviews — better than 50% of Lawn Mowers we track.
How much does the SENIX 21-Inch Gas Lawn Mower cost?
It is currently $339 — mid-tier pricing for Lawn Mowers.
How does the 21-Inch Gas Lawn Mower compare to other Lawn Mowers?
The category's most-reviewed alternative is the American Lawn Mower Company 1815-18 18-Inch 5-Blade Push Reel Lawn Mower (4.3/5, 22,438 reviews, $141.98). The 21-Inch Gas Lawn Mower carries a Mubboo Score of B- vs A.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-03) and may change.