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Evenflo Symphony Sport All-in-One Convertible Car Seat vs Safety 1st Grow and Go All-in-One Slim Convertible

Updated July 2026 — Evenflo Symphony Sport All-in-One Convertible Car Seat leads on seat width.

The Evenflo Symphony Sport offers advanced safety features and a higher weight capacity, while the Safety 1st Grow and Go excels in ease of cleaning and a more compact design.

Why Evenflo Symphony Sport All-in-One Convertible Car Seat is better

Safety Features

More extensive safety testing and higher weight limit.

Harness System

No-rethread harness for easier adjustments.

Weight Capacity

Accommodates children up to 100 lbs.

Why Safety 1st Grow and Go All-in-One Slim Convertible is better

Price

Lower price point at $159.99.

Cleaning

Machine-washable seat pad and dishwasher-safe cup holders.

Size

Slim design suitable for smaller vehicles.

Overall score

Evenflo Symphony Sport All-in-One Convertible Car Seat
85
Safety 1st Grow and Go All-in-One Slim Convertible
78

Specifications

SpecEvenflo Symphony Sport All-in-One Convertible Car SeatSafety 1st Grow and Go All-in-One Slim Convertible
Price$189.99$159.99
Safety RatingExceeds StandardsMeets Standards
Harness TypeNo-RethreadQuickFit
Cup Holders22
Recline Positions13

Dimension comparison

Evenflo Symphony Sport All-in-One Convertible Car SeatSafety 1st Grow and Go All-in-One Slim Convertible

Price Comparison

The Evenflo Symphony Sport All-in-One Convertible Car Seat is priced at $189.99, while the Safety 1st Grow and Go All-in-One Slim Convertible Car Seat is about 17% cheaper at $159.99. This $30 price difference may be a significant factor for budget-conscious parents looking to make a prudent investment in child safety. The Evenflo model does offer some advanced features that justify its higher price, such as a no-rethread harness system and a longer weight limit of 100 lbs. However, for families needing a reliable car seat without breaking the bank, the Safety 1st option presents a compelling alternative.

Safety Features

Both car seats are engineered to meet or exceed federal safety standards, ensuring that children are well-protected during rides. The Evenflo Symphony Sport features exclusive safety elements, including structural integrity and rollover testing, to provide added peace of mind. It also boasts a 5-point harness tested to a 65 lb weight limit, accommodating children safely until they transition to a booster seat. On the other hand, the Safety 1st Grow and Go includes side impact protection and meets federal side impact standards, which is crucial for ensuring a child's safety in the event of a collision. While both seats are safe, the Evenflo's additional testing may appeal to those prioritizing comprehensive safety certification.

Versatility in Modes

The Evenflo Symphony Sport offers three modes of use: rear-facing, forward-facing with a harness, and as a belt-positioning booster. This seat accommodates children from 5 to 100 lbs, making it suitable for a more extended period than the Safety 1st Grow and Go, which also offers three modes but has a lower weight capacity of 40 lbs for rear-facing and 65 lbs for forward-facing. The versatility in modes allows parents to use the Evenflo for a longer duration without needing to purchase a new seat as their child grows. However, both products are designed to grow with your child, making them both valuable choices for long-term use.

Ease of Use

The Evenflo Symphony Sport features an innovative no-rethread harness system that allows parents to adjust harness straps easily without uninstalling the car seat. This makes it simpler to ensure the proper fit as the child grows. In contrast, the Safety 1st Grow and Go includes a QuickFit harness that simplifies headrest and harness adjustments, making it easy for parents to secure their children. Cleaning is also a strong point for the Safety 1st model, with a machine-washable seat pad and dishwasher-safe cup holders. While both seats offer user-friendly designs, the Evenflo may provide a slight edge in terms of harness adjustment, while the Safety 1st excels in ease of cleaning.

Comfort

Comfort is an essential factor for any car seat, especially for long journeys. The Evenflo Symphony Sport features an adjustable headrest that can be modified with one hand, allowing it to grow with your child. Additionally, it includes two built-in cup holders for snacks and drinks, keeping them easily accessible for little ones. The Safety 1st Grow and Go includes two removable grow-with-me baby pillows to provide a snug fit, along with a 3-position recline feature that enhances comfort for children at various stages of growth. Both seats prioritize comfort, but the additional features in the Safety 1st model may be more appealing for parents concerned with snugness and ease of adjustment.

Cleaning and Maintenance

The Safety 1st Grow and Go stands out with its easy-to-clean design. The seat pad is machine-washable and dryer-safe, which is a significant advantage for parents dealing with spills and messes. The seat also includes dishwasher-safe cup holders, making it simple to maintain. The Evenflo Symphony Sport does not mention machine-washable components, which may require more effort in terms of cleaning. This difference in maintenance ease may be a deciding factor for parents who frequently transport children and want to keep their car seats in pristine condition.

Size and Fit

The Evenflo Symphony Sport has a higher weight capacity, accommodating children up to 100 lbs, while the Safety 1st Grow and Go supports up to 100 lbs as well but has lower limits for each stage: 5-40 lbs rear-facing, and 30-65 lbs forward-facing. The Evenflo's design may be bulkier, given its higher weight capacity and additional safety features, which could affect how it fits in smaller vehicles. The Safety 1st Grow and Go, marketed as a slim design, is particularly beneficial for smaller cars or families needing multiple car seats in one row. Thus, parents with limited space may find the Safety 1st model more accommodating.

Which should you buy?

Choosing between the Evenflo Symphony Sport All-in-One Convertible Car Seat and the Safety 1st Grow and Go All-in-One Slim Convertible Car Seat ultimately depends on your specific needs. If you prioritize advanced safety features, longer weight limits, and a no-rethread harness system, the Evenflo may be the best choice despite its higher price point. However, if budget, ease of cleaning, and a slim design for tighter spaces are more important, the Safety 1st model offers excellent value while still ensuring safety and comfort for your child. Both options are reliable, so consider your family’s lifestyle and preferences when making your decision.