The largest sport utility vehicle available in the Chevrolet line-up, the all-new 2015 model year Suburban is defined by new exterior sheetmetal. The body on frame chassis is reworked to be stronger and more rigid for the 224.4-inch long 2015 Chevrolet Suburban. 18-inch wheels are standard on the 2015 Chevrolet Suburban while 20-inch and 22-inch wheels available. Trim level choices for the 2015 Chevrolet Suburban consists of LS, LT, LTZ and a Commercial version. The high-end 2015 Chevrolet Suburban LTZ model includes LED daytime running lights and magnetic ride control suspension. A newly released 5.3 liter EcoTec3 V-8 engine powers the 2015 Chevrolet Suburban. Featuring direct injection, continuously variable valve timing as well as cylinder deactivation to promote improved fuel economy, the 5.3 liter EcoTec3 powerplant generates 355 horsepower and 383 pounds feet of torque. A six-speed automatic transmission handles engine power for rear-wheel drive and four-wheel drive versions of the 2015 Chevrolet suburban. With three rows of seating, the 2015 Chevrolet Suburban is capable of accommodating up to nine passengers. Power windows, air conditioning, keyless entry and a unique conversation mirror are included as standard equipment on the 2015 Chevrolet Suburban. Chevrolet MyLink and a rear-seat entertainment system consisting of dual screens and a Blu-ray player are available.