It, like the dual glazed windows were an option when first released and stayed that way for quite a while. Since just about every build utilized the effectiveness of them, Escape rightfully made them standard.
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2017 Escape 5.0 TA
2015 Ford F150 Lariat 3.5L EcoBoost
2009 Escape 19 (previous)
“Most folks are about as happy as they make up their minds to be.” — Abraham Lincoln