1950 Ariel Square Four

GR Auto Gallery is pleased to offer this 1950 Ariel Square Four motorcycle for your consideration. These unique bikes are powered by a 998cc OHV square-four motor paired with a four speed transmission. Power is routed to the rear wheel through a chain drive and stopping power is provided by drum brakes in the front and rear. This example was recently imported into the United States in 2022 and is being sold with a Michigan title.





The Ariel Square Four motorcycle was a standout in its time for its unique engine design and advanced technology. The Square Four was designed by Edward Turner, who was also responsible for the design of the Triumph Speed Twin.





One of the most notable features of the Square Four was its engine, which was made up of four cylinders arranged in a square formation. This configuration allowed for a more compact engine size, while still delivering impressive power. The Square Four was also one of the first motorcycles to feature overhead valves, which improved the bikes performance and fuel efficiency.





In terms of design, the Square Four was known for its clean, streamlined look. The bike featured a low-slung frame and a large fuel tank, which gave it a sporty appearance. The bike was also equipped with a distinctive polished exhaust system.





The Ariel Square Four is highly sought after by collectors and enthusiasts today. Its unique square-four engine and innovative design helped to set it apart from other motorcycles of the era, and its classic styling and timeless appeal continue to make it a popular choice for those who appreciate vintage and classic vehicles. Whether youre a collector looking to add a rare and historic motorcycle to your collection or a riding enthusiast who appreciates the classic design and performance of vintage motorcycles, the Ariel Square Four is a must-have. Please call or email with any questions or for additional information.