Scion's xD is a 5-door hatchback aimed toward young buyers. Its size puts it squarely in the small car category but provides many of the interior appointments of a larger, more expensive vehicle. Scion's simplified ordering means the xD is offered in only one trim, but can be had with either a standard 5-speed manual or optional 4-speed automatic transmission, as well as an extensive accessory list. All xDs get a 1.8L 4-cylinder engine that makes 128 horsepower and 125 lb-ft of torque. Front suspension consists of independent MacPherson struts, while rear suspension is a torsion beam setup. Standard equipment on all trims includes air conditioning, cruise control, tilt steering wheel with audio controls and power windows, locks and mirrors. Also standard for 2013 are intermittent front wipers, a rear window wiper and 3 different types of 16-inch wheels available. A Pioneer audio system with an organic electroluminescent screen, iPod and subwoofer RCA output is also standard on all xDs. An optional Alpine Premium audio system is available, which adds a 4.3-inch color touch-screen with HD radio technology Standard safety features include front seat-mounted side airbags, front and rear side-curtain bags and anti-lock brakes. Owners can customize their xDs with a variety of Scion Genuine Accessories packages. Exterior optional factory enhancements include chrome exhaust tips, a front and rear bumper ground effects kit, a rear spoiler, B-pillar logo applique on black carbon fiber cloth, a rear bumper protector applique with xD logo, 16-inch alloy wheels and LED rear taillights. Over 50 factory accessories, including lowering springs, sport mufflers and five-spoke, 18-inch alloy wheels, can be obtained from Toyota Racing Development (TRD). A navigation system and remote engine start are also available.