Our Verdict
Bissell Little Green HydroSteam (3618) Wins

Its heating technology and 64 oz tank excel at diverse, set-in messes and quick drying. Choose the Little Green Max Pet (3860) for dedicated pet stain removal and a more budget-friendly option.
Bottom Line: Bissell Little Green HydroSteam (3618) is the better choice. Its heating technology and 64 oz tank excel at diverse, set-in messes and quick drying.
Key Differences
The most significant spec differences at a glance
Tank Capacity
100% moreAdvantages
Where each product wins
Bissell
- Tank Capacity: 100% higher (64.0 vs 0)
Who Should Buy Which?
Find the right product for your needs
Buy Bissell if...
BISSELL Little Green HydroSteam
The Bissell Little Green HydroSteam (3618) is ideal for individuals who frequently encounter a variety of tough, set-in, or oily messes on carpets, upholstery, or even car interiors. If you prioritize advanced cleaning power with heating technology for deeper penetration and faster drying times (approximately 30 minutes), and appreciate a larger 64 oz clean tank for fewer refills, this $209.99 model is your best choice. It's perfect for those seeking versatility beyond just pet stains.
Buy Bissell if...
BISSELL® Little Green® Max
The Bissell Little Green Max Pet (3860) is perfect for pet owners primarily focused on effectively removing pet stains and odors. If your main concern is tackling pet accidents with features like 30% stronger suction and a specialized pet hair removal tool, and you appreciate the convenience of a self-cleaning tool to prevent residue buildup, this is for you. At a more budget-friendly $149.99, it offers dedicated pet-focused cleaning with improved reach thanks to a longer hose and cord.
Spec Comparison
7 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $210 | $150 |
| Rating | 4.4(4.8k) | 4.6(3.4k) |
| Tank Capacity oz | 64 | 0 |
| Power Rating Amps | 0 | 0 |
| Heating Technology | Yes | — |
| Tools Included | 5" Tough Stain Tool, Multi-Surface Tool | Self-cleaning Tough Stain Tool, Specialized Pet Hair Removal Tool |
| Formula Included | Yes | Yes |
| Model Number | — | 3860 |
| Self Cleaning | — | Yes |
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Pros & Cons
Quick overview of strengths and weaknesses
Bissell Little Green
- HydroSteam removes set-in, oily, and stuck-on messes.
- Multiple modes for steam, wash, and steamwash cleaning.
- Dries upholstery in approximately 30 minutes.
- Cleans carpets, upholstery, auto interiors, and hard surface
- No integrated storage for included cleaning tools.
- Capacity limits use to spot or small area cleaning.
- Requires specific cleaning formulas for results.
Bissell ® Little
- 30% stronger suction for deep stain extraction
- Permanently removes pet stains with included formula
- Self-cleaning tool prevents residue buildup
- Longer hose and cord improve reach for cleaning
- Included formula is a small trial size
- Trial size formula requires quick replacement
Frequently Asked Questions
Common questions about this comparison
Which is better for tough, set-in stains?
The Little Green HydroSteam (3618) is superior for tough, set-in, or oily stains due to its HydroSteam heating technology. It offers steam, wash, and steamwash modes for versatile deep cleaning.
What's the main difference in cleaning power?
The HydroSteam (3618) uses steam for enhanced cleaning, while the Max Pet (3860) boasts 30% stronger suction, specifically optimized for pet messes. Both come with trial formulas.
Is the price difference worth it?
The $60 difference for the HydroSteam (3618) is worth it if you need versatile steam cleaning for various tough messes and faster drying. The Max Pet (3860) at $149.99 offers great value for pet-specific cleaning.
Which has better tank capacity?
The Bissell Little Green HydroSteam (3618) has a 64 oz clean tank, allowing for longer cleaning sessions without frequent refills. The Little Green Max Pet (3860) specification for tank capacity was not provided, but it has separate tanks for clean and dirty water.
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