If you want maximum load capacity and a sleek, high-volume design for long road trips, choose Dvasovio Black Hard Shell; if you need a slightly more compact unit that prioritizes wind efficiency and fits tighter roof profiles, choose Maxsa Innovations 17. This decision is especially critical for teen drivers who are just learning to manage their own luggage and gear without compromising vehicle handling or safety. Both options solve the fundamental problem of cramped back seats, but they approach the challenge with different physical dimensions and weight distributions that will directly impact how your car drives on the highway.
• Best For: Choose Dvasovio for heavy hauling and long-distance family adventures where space is the primary constraint; pick Maxsa for urban commutes, college drop-offs, or shorter trips where fuel economy and low-profile aesthetics matter more.
The Dvasovio Black Hard Shell is engineered for those who view the cargo carrier as an extension of their garage rather than just a temporary attachment. With a generous 21 cubic feet of interior volume, this box is built to swallow large items that smaller carriers simply cannot accommodate. The dimensions of 72.83 inches in length by 34.25 inches in width create a wide platform that allows you to lay down skis, snowboards, or oversized camping gear flat without forcing them into awkward positions. If you have a household that engages in frequent outdoor activities—whether that means weekend hiking trips, summer vacations, or transporting bulky winter sports equipment—this extra room makes a tangible difference in what you can pack.
Its structural integrity relies on rugged ABS and PMMA materials, which are designed to withstand the rigors of constant exposure to the elements. The glossy black finish isn't just about looks; it reflects UV rays and resists scratches from road debris, ensuring the shell remains intact even after years of use. One standout feature for parents managing active teenagers is the wide double-side opening. At 15.8 inches wide on both sides, loading becomes significantly faster and less frustrating. You don't need to walk around the entire vehicle to reach the other side, and the strong support arms hold the lid open securely, allowing a young driver to toss gear inside quickly before heading back into the house.
However, this size comes with a physical reality check. While the 150-pound load capacity is impressive, adding the carrier's weight plus a full load of gear puts significant stress on your roof rails and suspension. Teen drivers, who may not yet be accustomed to the nuances of driving with added height and wind resistance, should be aware that this carrier requires careful speed management. It is best suited for drivers who prioritize volume over aerodynamics and who have vehicles with strong crossbars capable of supporting the extra mass without flexing.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-11-06 · 6 min read · Independent comparison
The Maxsa Innovations 17 targets a different demographic: the practical commuter and the driver who values vehicle dynamics above sheer volume. At 17 cubic feet, it sacrifices four cubic feet compared to the Dvasovio, but this reduction yields a much lower profile. Measuring 69 inches in length and only 11 inches in height, this box sits closer to the roofline, creating a smoother airflow profile. For teen drivers navigating highways or dealing with crosswinds, the reduced height and aerodynamic shape mean less wind noise and better fuel efficiency. It is an excellent choice for students heading home for breaks or young adults moving into dorms where packing light is often necessary.
Despite being smaller, the Maxsa does not compromise on strength. It maintains a 165-pound load capacity, which is actually higher than the Dvasovio's limit, provided the weight is distributed evenly. This suggests that while the internal space is tighter, the structure is incredibly rigid and capable of handling heavy loads like textbooks, gym bags, or folded strollers. The dual side opening with self-supporting gas struts is equally effective here, allowing easy access from either side of the vehicle. The inclusion of two security keys and reinforced straps ensures that valuable items remain safe during transit, a crucial factor for parents entrusting their vehicles to new drivers.
This might seem counterintuitive, but it speaks to the density of the materials used to achieve that high load capacity in a compact form. The installation process is tool-free and compatible with round, square, and aerodynamic bars, making it a versatile option for various car models, including sedans and wagons. It is the ideal pick for drivers who need a reliable, waterproof shield against rain and snow but do not have the luxury of a massive trunk or a vehicle with a high roof rail system. It balances protection and performance perfectly for daily use and short-to-medium distance travel.
• Best for maximum storage volume → Dvasovio Black Hard Shell: Its 21 cubic feet and wider 34.25-inch profile make it the clear winner for hauling large, irregular items like bikes, kayaks, or multiple large suitcases simultaneously.
• Best for aerodynamics and wind noise → Maxsa Innovations 17: The lower 11-inch height and 69-inch length create a sleeker silhouette that cuts through the air more efficiently, reducing the buffeting effect on the vehicle.
• Best for quick loading and unloading → Tie: Both feature wide dual-side openings (15.8 inches for Dvasovio, similar mechanism for Maxsa) and gas struts that keep lids open hands-free, though the Dvasovio's wider base offers slightly more floor space to maneuver items.
• Best for younger/teen drivers on tight budgets or smaller cars → Maxsa Innovations 17: The lower profile is less intimidating visually and physically, making it easier to handle on smaller sedans or coupes with lower clearance.
• Best for long-distance family road trips → Dvasovio Black Hard Shell: The extra 4 cubic feet adds up over days of travel, allowing for more food, clothing, and gear without the need for a second trip to the trunk.
• Best for durability in harsh weather → Both: Both utilize impact-resistant ABS hard shells with glossy finishes to protect against rain, snow, and UV rays, ensuring gear stays dry and clean regardless of the brand chosen.
• Best for vehicles with limited roof bar spacing → Maxsa Innovations 17: The shorter 69-inch length provides more flexibility if your crossbars are spaced closely together or if you have a shorter roof rack setup.
After weighing the specifications and real-world implications of both designs, I would personally buy the Maxsa Innovations 17 for most scenarios, particularly for a teen driver. While the Dvasovio offers more space, the Maxsa strikes a better balance between capacity, weight distribution, and driving dynamics. For a young driver learning to navigate traffic and handle a loaded car, the Maxsa's lower center of gravity and reduced wind resistance provide a safer, more manageable experience. That said, if your specific needs involve hauling oversized sporting goods or you have a large SUV with plenty of roof clearance, the Dvasovio remains a formidable contender. Ultimately, the Maxsa feels like the smarter, more versatile choice for the average family.
Both units feature tool-free installation systems compatible with round, square, and aero crossbars. Neither requires drilling or special tools, so the complexity is effectively identical for a standard DIY setup.
Yes, the Dvasovio's height of 14.76 inches creates more frontal surface area than the Maxsa's 11-inch profile, which generally results in increased wind noise and drag at higher speeds.
Yes, both models include robust locking systems where keys can only be removed when all latches are fully closed, along with reinforced straps to prevent unauthorized access while parked or driving.
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