Jetta cars range from two-valve GiX to five-valve GTX. What does that valve mean? What does each letter mean in English?

First of all, valves refer to the number of valves, the total number of intake and exhaust valves of a single cylinder, 2 valves are single intake and single exhaust valves, and 5 valves are 3 intake and 2 exhaust valves.

The following are the meanings of Jetta English letters:

The letter CL GT GTX CIX GIX CIF GIF means:

Common type

G luxury type

CL carburetor locomotive

GT Jetta King (using Bora's five-valve engine)

GTX Jetta King+First Face Change

EFI locomotive

Replace x for the first time (so-called pointed Jetta)

F the second generation (now the new Jetta)

And GDF (luxury diesel new Jetta)

SDI (replacing diesel Jetta for the first time)

AT (automatic Jetta)