Suncast Tremont 8x13 Shed
#2 in LargeFull review
For buyers who want a no-paint resin shed: 13 x 8 ft of resin for $2,299.99 ($22.12 per sq ft).
Amazon $2,299.99$2,299.99
The Suncast Tremont 8x13 Shed is the better outdoor storage shed overall, rated 3.9 to 3.7. The Suncast Tremont 8x13 Shed leads on features and construction. The Outsunny 11x13 Metal Shed wins on value and size. The Outsunny 11x13 Metal Shed costs $1,755 less ($544.99 vs $2,299.99).
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.
Outsunny 11x13 Metal Shed
#5 in LargeFull review
For buyers who want a budget steel shed: 13 x 11 ft of galvanized steel for $544.99 ($3.81 per sq ft).
Amazon $544.99$544.99
Which should you buy?
- Choose the Suncast Tremont 8x13 Shed for features (floor included, windows or skylights, vents, shelving vs floor frame only, vents) and construction (steel-reinforced resin vs galvanized steel).
- Choose the Outsunny 11x13 Metal Shed for value ($3.81 per sq ft ($544.99) vs $22.12 per sq ft, $3.22 per cu ft ($2,299.99)) and size (143 sq ft of floor vs 104 sq ft of floor).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large outdoor storage shed; a clear win is highlighted. How we rank explains each one.
| Factor weight | Suncast Tremont 8x13 Shed | Outsunny 11x13 Metal Shed |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 35% | 36 $22.12 per sq ft, $3.22 per cu ft ($2,299.99) | 91 $3.81 per sq ft ($544.99) |
| Size 15% | 84 104 sq ft of floor | 98 143 sq ft of floor |
| Construction 20% | 85 steel-reinforced resin | 50 galvanized steel |
| Features 20% | 100 floor included, windows or skylights, vents, shelving | 38 floor frame only, vents |
| Warranty 10% | 64 10-year warranty | 0 warranty not published, scored as none |
Specifications
| Suncast Tremont 8x13 Shed | Outsunny 11x13 Metal Shed | |
|---|---|---|
| Size | ||
| Footprint | 13 x 8 ft | 13 x 11 ft |
| Floor area | 104 sq ft | 143 sq ft |
| Capacity | 715 cu ft | - |
| Build | ||
| Material | Resin | Galvanized steel |
| Construction | Steel-reinforced resin | Galvanized steel |
| Floor | Included | Frame or kit only |
| Doors and features | ||
| Double doors | Yes | Yes |
| Windows or skylights | Yes | - |
| Vents | Yes | Yes |
| Shelving | Yes | - |
| Other | ||
| Warranty | 10 years | - |