Unrestored classic projected to break the bank at auction.

Talk about "killer" features.

There have been many unique designs showing up here and there throughout automotive history, which have often excited the driving public. From rear-mounted engines to customizable body panels, automakers have designed and produced some pretty interesting vehicles. Mercedes-Benz was one of those standouts with its popularization of the gull-wing doors.

This 1961 Mercedes-Benz 300SL Roadster sold for an exceptional amount on Bring a Trailer last month, the most expensive option to sell recently. Most have sold for over $1 million in the last two years.

When the original Mercedes 300 SL gullwing coupe was introduced back in the 1950s, it was stunning. To take a look at one today and one will still be left with the same reaction, stunning. The exquisite bulbous shape was mated to the signature gullwing doors. Even in convertible form, where doors are not a part of …

Because rising values often keep vintage vehicles stuck in the garage, classic car and motorcycle replicas offer economical experience alternatives. For example, instead of an original Shelby Cobra, you can get Factory Five’s kit. Some, like Pur Sang’s Bugattis, are replicas in the truest sense, i.e., made with the same methods as the originals. Others, …