1. Mercedes 300 SL AMG

One of the most sought-after classic cars in the world today is the Mercedes 300 SL Gullwing. They only created 1,400 of them in the late 1950s, so those cars are not only preciously rare, but they are also extremely important for racing history and the Mercedes heritage. So, the price of over one million dollars is understandable.

But, back in the early ’70s, those 300 SL coupes were only old sports cars, not worth much and outdated compared to contemporary cars. One of the first AMG customers happened to own one of those coupes and took it to an AMG workshop for a total refurbishment. They modified almost every panel and replaced the whole drivetrain.

They took out the old straight-six engine and replaced it with the 4.5-liter V8 from the 450 SE sedan. Today’s car enthusiasts may consider something like this a sacrilege, but back in the early ’70s, nobody really cared.

AMG was the first company to successfully make a “restomod” car. Since then, they produced 11 cars for clients that wanted their 300 SLs modernized. The most popular option was putting a then-modern 5.5-liter supercharged V8 under the hood of a classic.

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