Motorcycle enthusiasts looking for diverse options in the sub-400cc segment are spoiled for choice with the Husqvarna Vitpilen 401, KTM 390 Duke, Honda CB300R, and Kawasaki ZX4R. These bikes offer a range of characteristics, catering to different rider preferences and needs.

Performance:

Both the Husqvarna Vitpilen 401 and KTM 390 Duke share the same 373cc single-cylinder engine, known for its strong power delivery. The Vitpilen and KTM 390 duke are fuel efficient with an average fuel economy at 58.2 mpg. These bikes offer an exciting and spirited riding experience, making them ideal for those who crave a thrilling journey. The Vitpilen leans towards a neo-retro, cafe racer-inspired design with a top speed of approx. 100 mph, while the Duke opts for a modern and aggressive look passing the vitpilen at a top speed of 106 mph. Both bikes are exceptionally nimble and handle well, thanks to their lightweight frames and advanced suspensions. Both bikes produce 44 horsepower and 26 lb ft of torque.

On the other hand, the Honda CB300R features a 286cc single-cylinder engine, delivering a balance between fuel efficiency and performance.  The honda boast 31 hp and 20.3 lb ft of torque. This bike will has excellent fuel economy at 85.3 Mpg.  Its contemporary "naked" styling and upright riding position emphasize city-friendly maneuverability and rider comfort. The CB300R has a top speed of 97.85 mph.

The Kawasaki ZX4R stands apart as a sportier and more potent option. It boasts a 400cc inline-four engine that provides exhilarating performance. The ZX4R boast 76 hp and 37.7 lb ft of torque. The ZX4r has a top speed of 136 mph. The bike has great fuel economy at 54.7 mpg.  With its fully-faired design and a focus on aerodynamics and high-speed stability, the ZX4R is geared towards the sportbike segment.

Aesthetics and Ergonomics:

The Vitpilen 401 and Duke offer distinct styling options. The Vitpilen sports a neo-retro design with a minimalistic and cafe racer-inspired appearance, while the Duke features a more aggressive and modern look. The choice here largely depends on personal taste. The Vitpilen leans towards a more upright riding position for comfort, while the Duke provides a sportier, aggressive stance.

The Honda CB300R exhibits a contemporary, "naked" design that emphasizes simplicity and aesthetics. Its upright seating position enhances daily usability and rider comfort.

In contrast, the Kawasaki ZX4R's fully-faired design exudes sportiness and aerodynamic efficiency, catering to riders seeking high-speed performance.

Price: The Husqvarna Vitpilen comes in with an MSRP of $5,399.  The KTM Duke 390 comes priced at $5,899.  The Kawasaki ZX4-R comes in at the highest price of $9,399.  The Honda CB300R comes in at the cheapest price of $4,949.

Our conclusion: 

Our dealer choice on the best bike under 400 cc’s is the KTM Duke 390.  The Ktm duke is priced in the middle of all bikes compared, has excellent power, great gas mileage and is in our opinion looks the best. The Husqvarna Vitpilen 401 and KTM 390 Duke are ideal for those who seek a blend of style and performance. The Honda CB300R prioritizes user-friendliness and practicality, making it perfect for city riding. Meanwhile, the Kawasaki ZX4R is for adrenaline junkies who value high-speed performance.