The Elantra line is expanded for 2003 with the addition of a GT sedan. Elantra is the larger of Hyundais two subcompact cars. It comes as the GLS 4-dr sedan, the GT 4-dr hatchback, and now the GT 4-dr sedan. All have a 2.0-liter 4-cyl engine and manual or optional automatic transmission. Front side airbags are standard. ABS with traction control is optional; 4-wheel disc brakes are standard on the GTs and included with ABS on the GLS. Standard equipment includes air conditioning and power windows/locks/mirrors. GTs add a sport suspension, alloy wheels, and leather upholstery. Hyundais warranty is one of the industrys longest: 5-years/60,000-mi. basic, 10/100,000 powertrain