A trend in the popularity of classic cars is evident, and the building of continuation models has become quite a lucrative business for carmakers. That is why, after more than 50 years since the original was made, Aston Martin announced that it will rebuild one of its most iconic models: the DB4 GT.

Continuation models, according to Motor Authority, are essentially modern examples of classic cars with VINs (Vehicle Identification Numbers) that carry on from the last original cars' chassis 0202R, linking the past examples with those of the present despite a huge gap in the production. These modern cars are built to match the originals, right down to the types of bolts and rivets used.

And Aston Martin is not getting behind the continuation game. In fact, it will build 25 new special "lightweight" examples of the DB4 GT. The project is being handled by the Aston Martin Works classic car department using a mix of old world craftsmanship and modern processes.

For example, there will be minor improvements made on the handling, braking, and most importantly, safety. The DB4 GT is a two-seater that features aluminum panels pitted over a tubular frame. But great caution will still be taken for the modern cars to retain the original feel and character of their vintage counterpart.

Aston is arranging a two-year international track program to allow customers to arrive at the track and drive their car without the need to worry about transport, according to Autoblog. Aston's dedicated driver team will also be on hand to give instructions to the owners.

All 25 of the cars are already sold out, each going for $1.9 million, while Aston Martin says that the classic versions are estimated to be worth $3.7 million. The first DB4 GT Continuation models will be delivered sometime in the third quarter of 2017.

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