For sale: class b / lakewood, nj description: 2015 Airstream Interstate EXT 24'4" extended lounge 8 passenger **onyx/oyster/silver**, mercedes-benz turbo diesel, loaded out, stock#10158, true msrp: $153,030.00, lowest price guaranteed, we will not be undersold!!! For a full description, floor plans, features, specifications, additional photos and options for this Airstream please visit our colonial Airstream website: features: fresh water tank capacity: 26 black water tank capacity: 16 grey water tank capacity: 27 # ac units: 1 ac specifications: 13.5 btu interior color: onyx/oyster exterior color: silver