The following are the colour for the 2005 Audi A4 1.8 T Cabriolet:-
Alpaka Beige Metallic,
Amulet Red,
Aquamarine Blue Metallic,
Arctic White,
Brilliant Black,  
Cambridge Green Pearl Effect, 
Caribic Blue Pearl Effect,
Champagne Metallic,
Dolphin Gray Pearl Effect,
Lgt Silver Metallic,
Moro Blue Pearl Effect.

Standard Features of 2005 Audi A4 1.8 T Cabriolet:-
Seat Mounted Front Side Airbags With Head Protection
Front Locking Differential
Satellite Radio Antenna

Engine Specifications:- 
Standard Engine - 1.8L I4
Standard Transmission - VAR Speed Automatic
Cylinders4Horsepower @ RPM - 170@5900
Fuel Economy Cty/Hwy - 23 / 30
Combined Fuel Economy - 26
EPA Class - Sub-Compact
Number of Valves - 20
Torque @ RPM - 166@1950
Fuel Type/System - Gas Engine / Sequential Electronic Fuel Injected

Price Range:- $35,750

More Details:- http://autos.yahoo.com/newcars/audi_a4_18tca briolet_2005/15854/style_ overview.html" title="http://autos.yahoo.com/newcars/audi_a4_18tca briolet_2005/15854/style_ overview.html" target="_blank"http://autos.yahoo.com/newcar...;_ylt=AmlWxLHVkndYwoS_jBc iVZYxRcMF