Best Diono Car Seats of 2025

The Diono Radian 3R is an innovative convertible car seat designed to keep your child safe as they grow. With its rear-facing capability up to 50 lbs, you can keep your little one securely positioned for longer. Transitioning into a high back booster mode that accommodates up to 120 lbs, it ensures comfort and protection during those crucial years. The reinforced steel core adds an extra layer of safety, giving you peace of mind. Plus, its slimfit design allows for three seats across in most vehicles, making it perfect for families.

The Diono Radian 3R offers exceptional comfort with a head support pillow, a comfort cushion, and two XL cup holders, ensuring your child stays comfortable on every journey. This car seat grows with your child, suitable from birth to booster, accommodating weights from 5 to 120 lb. It is designed for extended rear-facing use, allowing your child to remain rear-facing up to 50 lb, which enhances safety during travel. Its slim-fit design means you can fit three across in most vehicles without compromising on safety or comfort.

The Diono Radian 3R is a versatile car seat designed to grow with your child. With its SafePlus Easy-Adjust 12-Position Headrest, you can easily modify the seat as your child gets taller, ensuring comfort at all stages. The improved Side Impact Protection enhances safety during travel, giving you peace of mind. Additionally, SafePlus Engineering combines advanced safety features to meet the highest standards, making it one of the safest options available for your little one. This car seat adapts from rear-facing to forward-facing, catering to children from birth up to 120 lb.

The Diono Monterey 2XT is an innovative high back booster car seat designed to grow with your child. Its original expandable feature increases occupancy space by 69%, ensuring comfort as your child matures. The seat easily converts into a backless booster, complete with a wide contoured base and two cup holders for added convenience. With superior side impact protection, this seat is reinforced with high-impact aluminium, providing enhanced safety for the head, shoulders, and torso. The 11-position headrest allows for easy one-handed adjustments, accommodating your child's height as they grow.

The Diono Monterey 2XT is designed for children weighing between 18 to 54 kg, making it a long-lasting booster seat for your growing child. Its easy-adjust 11-position headrest ensures safety and comfort as your child grows. The unique expandable backrest allows for an additional 16.5 cm of height, accommodating your child’s needs. With two built-in cup holders and a snack tray, you can keep drinks and snacks close at hand, enhancing convenience during journeys.

The Diono Everett NXT Booster is designed for children aged 40 to 120 lb, providing a single solution for eight years of safe travel. Its easy-adjust headrest features seven positions, ensuring it grows with your child while offering enhanced safety and comfort with two layers of Side Impact Protection. The deep padded backrest ensures comfort for every size, making long journeys more enjoyable. Additionally, the premium soft fabrics with removable machine-washable padding help maintain cleanliness, allowing you to keep the seat fresh and inviting for your child.

The Diono Solana Booster is designed for children weighing between 40 to 120 lb, making it a versatile choice for your growing child. With its two built-in elastic cup holders, you can keep drinks and snacks within easy reach, perfect for those long road trips. The contoured premium soft fabrics, along with layered foam padding, ensure your child stays comfortable during journeys. Additionally, the shoulder belt positioner helps in properly positioning the vehicle seat shoulder belt, allowing your child to buckle themselves with ease.

The Diono Solana 2 XL is designed for your growing child, accommodating weights from 18 to 54 kg. Its backless design ensures comfort with built-in padded armrests and deep cushioning, making every journey enjoyable. The two retractable cup holders and snack tray provide easy access to drinks and snacks, keeping essentials close at hand. With premium soft fabrics and removable padding, cleaning is a breeze, allowing you to maintain a fresh seat without hassle.

The Diono Monterey 2XT offers a unique expandable design, providing a 69% increase in occupancy space as your child grows. This means you won't need to replace the seat as your child gets taller. It conveniently converts into a backless booster seat, featuring a wide contoured base and two retractable cup holders for snacks and drinks. With superior side impact protection, the reinforced aluminium structure ensures your child's safety during travel. Additionally, the 11-position headrest allows for easy adjustments, accommodating your child's height up to 6.5 inches for ultimate comfort.

The Diono Solana Booster Seats are designed for children weighing between 40 to 120 lbs and up to 63 inches tall. Their ergonomic seat base ensures comfort for your little one during journeys, while the lightweight design makes it easy for you to transfer the seats between vehicles. The machine washable covers provide a hassle-free cleaning experience, allowing you to maintain a tidy environment with minimal effort. Additionally, the two elasticated cup holders are ideal for keeping drinks and snacks close at hand, perfect for long road trips.