Evenflo Symphony Sport All-in-One Convertible Car Seat vs Safety 1st Ellaris 3-in-1 Convertible Car Seat,
Updated July 2026 — Evenflo Symphony Sport All-in-One Convertible Car Seat wins on weight and height, Safety 1st Ellaris 3-in-1 Convertible Car Seat, wins on headrest positions.
The Evenflo Symphony Sport offers more features and safety assurances, while the Safety 1st Ellaris is budget-friendly and compact.
Why Evenflo Symphony Sport All-in-One Convertible Car Seat is better
Safety Features
Includes additional safety tests beyond federal standards.
Modes of Use
Accommodates children up to 100 lbs.
Installation Support
Offers real-time installation assistance.
Why Safety 1st Ellaris 3-in-1 Convertible Car Seat, is better
Price
Significantly cheaper at $99.99.
Compact Design
Fits 3 across in most vehicles.
Maintenance
Machine-washable seat pad.
Overall score
Specifications
| Spec | Evenflo Symphony Sport All-in-One Convertible Car Seat | Safety 1st Ellaris 3-in-1 Convertible Car Seat, |
|---|---|---|
| Price | $189.99 | $99.99 |
| Modes | 3-in-1 | 3-in-1 |
| Safety Tests | Yes | Yes |
| Installation | Support Available | Hook-style LATCH |
| Weight Limit | 100 lbs | 65 lbs |
Dimension comparison
Overview of Evenflo Symphony Sport and Safety 1st Ellaris
When comparing the Evenflo Symphony Sport All-in-One Convertible Car Seat and the Safety 1st Ellaris 3-in-1 Convertible Car Seat, a key difference is price. The Evenflo Symphony is priced at $189.99, while the Safety 1st Ellaris is significantly more affordable at $99.99, making it about 47% cheaper. Both car seats offer extended use and versatility, but they cater to different budgets and preferences.
Modes of Use
Both car seats provide multiple modes to accommodate growing children, but they differ in their configurations. The Evenflo Symphony Sport features three modes in one seat, suitable for children weighing between 5 to 100 lbs, including rear-facing, forward-facing harness, and belt-positioning booster modes. In contrast, the Safety 1st Ellaris is designed for children from 5 to 65 lbs, offering rear-facing positions for infants and toddlers, as well as forward-facing options. This makes the Evenflo Symphony Sport a better choice for those who want a longer-lasting solution as their child grows.
Safety Features
Safety is a top priority in both models, but they emphasize different aspects. The Evenflo Symphony Sport meets or exceeds all federal safety standards and includes additional tests for structural integrity, rollover, and temperature. This car seat also provides a 5-point harness tested to a 65 lb weight limit, ensuring that children remain secure as they grow. The Safety 1st Ellaris also meets federal safety and side impact standards, but its emphasis is on compliance rather than additional testing. Parents may prefer the Evenflo for its added assurance of safety performance.
Installation Ease
Installation ease is an important feature for busy parents, and both car seats offer convenient options. The Evenflo Symphony Sport includes a ParentLink® Consumer Care Team that provides real-time support for installation, which can ease the minds of first-time users. Meanwhile, the Safety 1st Ellaris features a hook-style LATCH for straightforward installation, making it user-friendly for parents on the go. While both models are designed for easy installation, Evenflo’s added support may give it an edge for those who value assistance.
Comfort and Adjustability
In terms of comfort, both car seats provide features to ensure a pleasant ride for children. The Evenflo Symphony Sport has an adjustable headrest that can be modified with one hand, accommodating a child's growth seamlessly. It also has dual cup holders for convenience. The Safety 1st Ellaris boasts a 5-position headrest and harness, allowing for adjustments as the child grows. While both offer comfort features, the Evenflo Symphony Sport's convenience of dual cup holders and easier headrest adjustment may appeal more to families looking for extra comfort.
Compact Design and Fit
The compact design is a standout feature in the Safety 1st Ellaris, which is tailored to fit three across the back seat of most vehicles. This makes it an ideal choice for families with multiple children or those needing car seats in a tighter space. On the other hand, the Evenflo Symphony Sport, while versatile, does not emphasize a compact design. If space is a primary concern, the Safety 1st Ellaris provides a more practical option for fitting multiple seats.
Maintenance and Care
When it comes to maintenance, the Safety 1st Ellaris offers a machine-washable and dryer-safe seat pad, making it easier to keep clean. This is a notable advantage for parents dealing with spills and messes. The Evenflo Symphony Sport does not specify similar features for its seat cover, which could be a consideration for parents who prioritize easy maintenance. The convenience of the Safety 1st Ellaris in this aspect may be a deciding factor for some.
Which should you buy?
Ultimately, the choice between the Evenflo Symphony Sport and the Safety 1st Ellaris comes down to specific needs and priorities. If budget is a primary concern, the Safety 1st Ellaris at $99.99 is a compelling option, especially given its compact design and easy maintenance features. However, for parents looking for a car seat that offers extended use, additional safety features, and installation support, the Evenflo Symphony Sport at $189.99 may be the better investment. Each car seat has unique strengths, so your final decision should align with your family’s needs.

