According to Consumer Guide, Volkswagen's best-selling car is basically a 4-dr sedan version of its Rabbit hatchback. Base and 2.5 Jettas have a 150-hp 5-cyl engine. The 2.0T and sporty GLI models have a 200-hp turbocharged 4-cyl. Jettas come with manual transmission: a 5-speed for base and 2.5 models, 6-speed for 2.0T and GLI. Base and 2.5 are available with a 6-speed automatic. The 2.0T and GLI offer a 6-speed sequential manual transmission (SMT).
All Jettas have ABS, traction control, front side airbags and curtain side airbags. An antiskid system is optional for the base model, standard on others. Rear side airbags are optional on all. A newly available Wolfsburg Edition has the 5-cyl engine, heated front seats, and a sunroof. GLI has a firmer sport suspension lowered by 0.8-inch for '07. It also includes xenon headlights and specific styling touches. A navigation system and leather upholstery are available. Check other blog here.
2007 VW Volkswagen Jetta Owners Manual