5.8 quarts
There is no 1991 VW Rabbit.
The recommended spark plug gap for a 1981 VW Rabbit is .028"
yes
Castrol syntec 5-40w. 5-30w can also be used. Reference the owner's manual. Its expensive. And you need 6.3L
DLC = Diagnostic Link Connector (Commonly known as the OBDII connector) located under the dash on the driver's side.
$800
To replace the air filter on a 2007 VW Rabbit, you need to remove the screws holding the air duct, then gently push each end of the plastic engine cover and pull it off, rotating the unit to the side before removing several more screws to gain access to the filter. If you want to know where the filter is, there is a diagram in the engine compartment.
Chain.
It's a VW Rabbit.
ftygin
Yes, the VW Rabbit will be available in both standard and automatic transmission. The transmission options are a 5 speed manual or 6 speed automatic.