Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Serta iSeries Hybrid
Scott Living by King Koil
Comfort
8.8/10
8.2/10
Support
9/10
8.1/10
Cooling
8.7/10
8/10
Edge Support
9/10
7.8/10
Motion Isolation
8.6/10
8.1/10
Durability
8.9/10
8/10
Value
8.5/10
9/10
Quick Specs Comparison
Spec
Serta iSeries Hybrid
Scott Living by King Koil
Price (Queen)
$1,399
$1,299
Type
Hybrid
Hybrid
Firmness
6/10
6/10
Height
12 inches
12 inches
Trial
120 nights
120 nights
Warranty
10 years
10 years
Shipping
Free shipping
Free shipping through most dealers
Key Advantages
Why Choose Serta iSeries Hybrid
- Trusted 90+ year brand
- Widely available in stores
- Good balance of comfort and support
Why Choose Scott Living by King Koil
- Best price-to-quality ratio in the King Koil range
- Real pocketed coil support, not an all-foam shortcut
- Medium feel suits the widest set of sleepers