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Evenflo Symphony Sport All-in-One Convertible Car Seat vs Safety 1st Crosstown Slim All-in-One Convertible

Updated August 2026 — Evenflo Symphony Sport All-in-One Convertible Car Seat wins on width, Safety 1st Crosstown Slim All-in-One Convertible wins on headrest positio.

The Evenflo Symphony Sport offers superior safety features and convenience, while the Safety 1st Crosstown Slim is more budget-friendly and space-efficient.

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

Safety Testing

Includes additional structural integrity and rollover testing.

Convenience

Features a no rethread harness for easy adjustments.

Support

Offers live installation support from certified technicians.

Why Safety 1st Crosstown Slim All-in-One Convertible is better

Price

Approximately 32% cheaper at $129.99.

Space Efficiency

Slim design fits three car seats across the back.

Cleaning

Includes dishwasher-safe cup holders and machine-washable seat pad.

Overall score

Evenflo Symphony Sport All-in-One Convertible Car Seat
85
Safety 1st Crosstown Slim All-in-One Convertible
75

Specifications

SpecEvenflo Symphony Sport All-in-One Convertible Car SeatSafety 1st Crosstown Slim All-in-One Convertible
Current Price$189.99$129.99
Sales Rank456786026
Harness Limit65 lbs65 lbs
Modes33
Installation SupportYesNo

Dimension comparison

Evenflo Symphony Sport All-in-One Convertible Car SeatSafety 1st Crosstown Slim All-in-One Convertible

Overview of the Evenflo Symphony Sport and Safety 1st Crosstown Slim

The Evenflo Symphony Sport and Safety 1st Crosstown Slim are both all-in-one convertible car seats that offer versatile options for growing children. The Evenflo Symphony Sport is priced at $189.99, whereas the Safety 1st Crosstown Slim is more budget-friendly at $129.99, making it about 32% cheaper. Each car seat caters to a wide weight range and has unique features designed to enhance safety and comfort.

Design and Space Efficiency

The Evenflo Symphony Sport features a standard design, which supports a range of children from 5 to 100 pounds. In contrast, the Safety 1st Crosstown Slim boasts a slim 17-inch profile, allowing it to fit three car seats across the back seat of most vehicles. This design is particularly beneficial for families needing to maximize space. While both seats accommodate similar weight limits, the Crosstown Slim's design offers versatility in cramped quarters, making it a smart option for those needing to transport multiple children.

Safety Features

Safety is paramount in both car seats. The Evenflo Symphony Sport includes a 5-point harness tested to a 65-pound weight limit, ensuring that children remain secure as they grow. It also includes structural integrity testing and rollover testing. The Safety 1st Crosstown Slim meets or exceeds federal safety standards and has a side impact standard compliance. Both brands have established safety reputations, but the Evenflo’s additional testing may provide extra peace of mind for some parents.

Comfort and Adjustability

Comfort is a key consideration in both car seats. The Evenflo Symphony Sport features an adjustable headrest that grows with your child and easy-to-slide harness straps for a proper fit, eliminating the need to uninstall the seat for adjustments. The Safety 1st Crosstown Slim offers a one-hand adjustable harness and an 8-position headrest, allowing for quick modifications without rethreading. While both offer easy adjustments, the Evenflo’s no rethread design may appeal to parents looking for convenience during transitions.

Ease of Installation

Both car seats are designed for ease of installation, but they differ in approach. The Evenflo Symphony Sport provides access to a ParentLink Consumer Care Team for installation assistance, including live video support from certified technicians. This can be a significant advantage for parents who are unsure about proper installation. The Safety 1st Crosstown Slim emphasizes quick transitions between rear-facing and forward-facing modes, with easy-to-access belt paths and a base foot that adjusts quickly. While both seats facilitate easier installation, the Evenflo's added support may be particularly helpful for first-time parents.

Additional Features

The Evenflo Symphony Sport includes dual cup holders to keep drinks and snacks within reach, which can be important for longer car rides. In comparison, the Safety 1st Crosstown Slim offers two removable, dishwasher-safe cup holders and a machine-washable seat pad for easy cleaning. The additional convenience of having dishwasher-safe components may appeal to busy parents. Although both seats have thoughtful features, the choice may come down to personal preferences regarding maintenance and convenience.

Customer Feedback and Popularity

The Evenflo Symphony Sport holds a sales rank of 45,678, indicating a moderate level of popularity among consumers. In contrast, the Safety 1st Crosstown Slim has a significantly better sales rank of 6,026, suggesting that it is a more popular choice among buyers. This popularity may reflect consumer confidence in the Safety 1st brand or the features that resonate more with families today.

Which should you buy?

Choosing between the Evenflo Symphony Sport and the Safety 1st Crosstown Slim ultimately depends on your family's needs and preferences. If budget is a concern, the Safety 1st Crosstown Slim is approximately 32% cheaper at $129.99 and offers a space-saving design that accommodates three across the back seat. On the other hand, if you prioritize additional safety testing and features like the no rethread harness, the Evenflo Symphony Sport at $189.99 may be worth the investment. Evaluate your specific requirements, and you’ll find that both options offer solid performance in their respective areas.