2015 Thor Motor Coach Four Winds Siesta Sprinter Diesel. Model 24SA. This RV measures approximately 24 ft. 6 in. in length & features a slide-out room, frameless windows and a booth dinette. Optional equipment includes the beautiful full body paint exterior, cab over entertainment center, LCD TV in bedroom, wood dash appliqué, 12V attic fan, holding tanks with heat pads, exterior TV, LP generator & second auxiliary battery. The all new 2015 Four Winds Siesta Sprinter also features a diesel engine, AM/FM/CD, power windows & locks, keyless entry, Rear Camera, Rear Ladder,