Today got the "Fast & Furious 6" Dodge Charger Daytona, thanks to my friend. So here's some comparison pictures with the Superbird:
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Main differences between these 2 cars are:
-Different rear windscreen size. The Superbird has a bigger rear windscreen.
-Different nose. Note the bumper's joint line is different.
-Different body length. The Daytona is longer.
-Different hood. The Daytona has two indents.
-Different exhaust position. The Daytona's exhaust is at the sides of the car, the Superbird has them at the back.
-Different spoiler. The Superbird's spoiler is slimmer.
-Different tail lights. Both cars uses their base car's tail lights: the Charger Daytona is a 1970 Dodge Charger, the Superbird is a 1970 Road Runner.