Some basic mk3 mk4 mk5 mk6 differences

Here are some differences between generations, models, and engines in VW TDI .

Introduction

The TDI brand came to North American with the Mk3 (3rd generation) 1996 Passat TDI. The most noticeable differences were the electronically controlled distributor injection pump (Bosch VE pump), turbocharging with intercooling, and a new engine. The Mk4 and Mk5 generation of TDI each received improvements over the last generation in safety, comfort, and features but became slightly more mechanically complex. The mk6 use the same engines as the mk5 but in revised chassis. The Golf and Jetta are also no longer built on the same chassis.

The big difference in engines was the transition from direct injection using the Bosch VE injection pump to the pumpe duse injection system beginning in 2004 (for North America) and again to common rail in 2009. Below are links with more detailed information about the cars including generational differences, model differences, and interchangeable parts. At the bottom is information showing the difference between the old direct injection, pumpe duse, and the new common rail fuel injection.

Mk3 jetta and passat differences (1996-1999 jetta and passat differences and interchangeable parts)

Mk3 - Mk4 generational differences (3rd vs 4th generation)

Mk4 pre pumpe duse (1998-2003) and post pumpe duse (2003-2005) cosmetic differences (4th generation mid life cosmetic differences)

MK4-MK5 generational differences (4th vs. 5th generation)

Bosch direct injection vs. pumpe duse vs. common rail engines

2009 Jetta TDI vs 2010 Jetta TDI sedan sportwagen station wagon and 2010 Golf TDI - changes, updates, revision, differences.