Estive a ver as plataformas do grupo VAG e encontrei este doc: (interessante)B5 (PL45)
The B5 platform employs a
longitudinal engine placement, which differs from the
Volkswagen Group A platform which have been traditionally
transversely mounted. This platform (also known as
PL45) was introduced with the first-generation
Audi A4 and the 1996 Volkswagen Passat. B5 platform cars can be equipped with a
multilink front suspension and a
Torsen centre differential for
quattro or
4motion branded
four-wheel drive systems. A long-
wheelbase derivative of this platform - originally designed for the Chinese market and being used in the 1999 Volkswagen Passat Lingyu, but ultimately being used for its rebadged version under the Škoda brand, the 2002 Škoda Superb - is referred to as
PL45+.
In 2001, the B5 Passat received a facelift, referred to as "B5.5".
B5 / PL45
B5 / PL45+
B6
The designation "B6" is used to identify the "
Typ 8E" Audi A4/S4 produced from late 2000 to 2005. The platform used by these models is formally known as the
PL46 platform.
Confusingly, the current generations of Volkswagen's
Passat are also
colloquially referred to as "B6", given that they are Volkswagen's sixth generation mid-sized saloon. However this generation of the Passat uses the
PQ46 platform for its sixth generation, a improved enlarged version of the
Golf Mk5 and
Jetta Mk5's PQ35 platform.
B6 / PL46
- Audi A4 (Typ 8E/8H (saloon: 8E2, Avant: 8E5) / 8H7 (Cabriolet), 2001-2005)
- Audi S4 (Typ 8E/8H (saloon: 8E2, Avant: 8E5) / 8H7 (Cabriolet), 2003-2005)
B6 / PQ46
B7
The Audi A4, S4 and RS4 has a "B7" generation, from 2005 to 2008. However, this seventh generation of the car was a minor revision of the PL46 platform, but with major revisions to
engine ranges,
suspension revisions, updated chassis and consumer electronics, and restyled
bodywork. The B7 A4/S4 retains the
Typ 8E/8H numbers of the B6 A4/S4, though with different suffixes, while the SEAT Exeo though it has derived from the Audi A4 B7 takes the
Typ 3R number.
B7 / PL46
- Audi A4 (Typ 8EC (saloon), 8ED (Avant), 8HE (Cabriolet), 2005-2008
- Audi S4 (Typ 8EC (saloon), 8ED (Avant), 8HE (Cabriolet), 2006-2008
- Audi RS4 quattro (Typ 8EC (saloon), 8ED (Avant), 8HE (Cabriolet), 2006-2008
- SEAT Exeo (Typ 3R5 (saloon), 3R9 (Sport Tourer), 2009-)