KBB.com 10 Best Sedans Under $30,000. Delivers 40 Highway MPG and 30 City MPG! This Volkswagen Jetta boasts a Intercooled Turbo Regular Unleaded I-4 1.4 L/85 engine powering this Automatic transmission. Window Grid Diversity Antenna, Wheels: 17 Trenton, Variable Intermittent Wipers.* This Volkswagen Jetta Features the Following Options *Trunk Rear Cargo Access, Trip Computer, Transmission: 8-Speed Automatic w/Tiptronic -inc: sport mode, Torsion Beam Rear Suspension w/Coil Springs, Tires: 17 All-Season, Strut Front Suspension w/Coil Springs, Steel Spare Wheel, Single Stainless Steel Exhaust, Side Impact Beams, Security System Pre-Wiring.* The Votes are Counted *KBB.com 10 Coolest New Cars Under $20,000, KBB.com 10 Best Sedans Under $30,000.