2015 Thor Motor Coach Siesta Sprinter 24ST, 2015 Thor Motor Coach Siesta Sprinter 24ST Reduce your fuel costs without limiting luxury with our Siesta Sprinter Class C Touring/Class B+ Motorhomes featuring the Mercedes-Benz Sprinter chassis. With distinctive European-inspired interiors and elegant full-body paint exteriors, discover the joy of owning a Siesta Sprinter Motorhome.