Lifetime 8x5 Shed 6418
#15 in MediumFull review
For buyers who want a no-paint resin shed: 8 x 5 ft of resin for $968.21 ($24.21 per sq ft).
Amazon $968.21$968.21
The Lifetime 8x5 Shed 6418 and the Outsunny 8x4 Resin Shed are evenly matched, rated 3.1 and 3.1. The Lifetime 8x5 Shed 6418 leads on construction, warranty and size. The Outsunny 8x4 Resin Shed wins on features and value. The Outsunny 8x4 Resin Shed costs $448.22 less ($519.99 vs $968.21).
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 8x4 Resin Shed
#16 in MediumFull review
For buyers who want a no-paint resin shed: 8 x 4 ft of resin for $519.99 ($16.25 per sq ft).
Amazon $519.99$519.99
Which should you buy?
- Choose the Lifetime 8x5 Shed 6418 for construction (steel-reinforced resin, 23 lb per sq ft roof load vs resin panels), warranty (10-year warranty vs 1-year warranty) and size (40 sq ft of floor vs 32 sq ft of floor).
- Choose the Outsunny 8x4 Resin Shed for features (floor included, windows or skylights, vents vs floor included) and value ($16.25 per sq ft ($519.99) vs $24.21 per sq ft ($968.21)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every medium outdoor storage shed; a clear win is highlighted. How we rank explains each one.
| Factor weight | Lifetime 8x5 Shed 6418 | Outsunny 8x4 Resin Shed |
|---|---|---|
| Overall rating | 3.1/5 | 3.1/5 |
| Value 35% | 19 $24.21 per sq ft ($968.21) | 35 $16.25 per sq ft ($519.99) |
| Size 15% | 43 40 sq ft of floor | 33 32 sq ft of floor |
| Construction 20% | 94 steel-reinforced resin, 23 lb per sq ft roof load | 60 resin panels |
| Features 20% | 35 floor included | 80 floor included, windows or skylights, vents |
| Warranty 10% | 64 10-year warranty | 0 1-year warranty |
Specifications
| Lifetime 8x5 Shed 6418 | Outsunny 8x4 Resin Shed | |
|---|---|---|
| Size | ||
| Footprint | 8 x 5 ft | 8 x 4 ft |
| Floor area | 40 sq ft | 32 sq ft |
| Build | ||
| Material | Resin | Resin |
| Construction | Steel-reinforced resin | Resin panels |
| Floor | Included | Included |
| Snow or roof load | 23 lb per sq ft | - |
| Doors and features | ||
| Double doors | - | Yes |
| Door width | 48 in | - |
| Door height | 72 in | - |
| Windows or skylights | - | Yes |
| Vents | - | Yes |
| Other | ||
| Warranty | 10 years | 1 year |