For buyers who want a no-paint resin shed: 6 x 3 ft of resin for $536.08 ($29.78 per sq ft).
Amazon $524.73The Keter Factor 6x3 Shed is the better outdoor storage shed overall, rated 2.8 to 2.7. The Keter Factor 6x3 Shed leads on construction, value and features. The Suncast 54 Cu Ft Vertical Shed wins on warranty. The Suncast 54 Cu Ft Vertical Shed costs $74.74 less ($449.99 vs $524.73).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
For buyers who want a no-paint resin shed: 54 cu ft of resin for $449.99.
Amazon $449.99Which should you buy?
- Choose the Keter Factor 6x3 Shed for construction (steel-reinforced resin vs resin panels), value ($29.15 per sq ft, $4.77 per cu ft ($524.73) vs $8.33 per cu ft ($449.99)) and features (windows or skylights, vents vs floor included).
- Choose the Suncast 54 Cu Ft Vertical Shed for warranty (10-year warranty vs 5-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small outdoor storage shed; a clear win is highlighted. How we rank explains each one.
| Factor weight | Keter Factor 6x3 Shed | Suncast 54 Cu Ft Vertical Shed |
|---|---|---|
| Overall rating | 2.8/5 | 2.7/5 |
| Value 35% | 22 $29.15 per sq ft, $4.77 per cu ft ($524.73) | 8 $8.33 per cu ft ($449.99) |
| Size 15% | 8 18 sq ft of floor | 50 footprint not published (neutral score used) |
| Construction 20% | 85 steel-reinforced resin | 60 resin panels |
| Features 20% | 45 windows or skylights, vents | 35 floor included |
| Warranty 10% | 29 5-year warranty | 64 10-year warranty |
Specifications
| Keter Factor 6x3 Shed | Suncast 54 Cu Ft Vertical Shed | |
|---|---|---|
| Size | ||
| Footprint | 6 x 3 ft | - |
| Floor area | 18 sq ft | - |
| Capacity | 110 cu ft | 54 cu ft |
| Build | ||
| Material | Resin | Resin |
| Construction | Steel-reinforced resin | Resin panels |
| Floor | - | Included |
| Doors and features | ||
| Windows or skylights | Yes | - |
| Vents | Yes | - |
| Shelving | - | No |
| Other | ||
| Warranty | 5 years | 10 years |
