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Evenflo All4Stages Slim 4-in-1 Convertible Car Seat vs Safety 1st Safety 1ˢᵗ® Turn and Go 360° Rotating All-in-One

Updated August 2026 — Evenflo All4Stages Slim 4-in-1 Convertible Car Seat wins on recline and modes, Safety 1st Safety 1ˢᵗ® Turn and Go 360° Rotating All-in-One wins on weight and width.

The Evenflo All4Stages Slim offers better value and space efficiency, while the Safety 1st Turn and Go provides enhanced convenience and comfort.

Why Evenflo All4Stages Slim 4-in-1 Convertible Car Seat is better

Price

Evenflo is $40 cheaper than Safety 1st

Space

Evenflo fits three car seats across

Weight Limit

Evenflo supports up to 120 lbs

Why Safety 1st Safety 1ˢᵗ® Turn and Go 360° Rotating All-in-One is better

Rotation

Safety 1st has a 360-degree rotating feature

Installation

Safety 1st offers a one-time base installation

Comfort

Safety 1st has plush infant inserts

Overall score

Evenflo All4Stages Slim 4-in-1 Convertible Car Seat
78
Safety 1st Safety 1ˢᵗ® Turn and Go 360° Rotating All-in-One
82

Specifications

SpecEvenflo All4Stages Slim 4-in-1 Convertible Car SeatSafety 1st Safety 1ˢᵗ® Turn and Go 360° Rotating All-in-One
Safety StandardsYesYes
Harness AdjustNo-rethread10-position
Installation EaseSecureTightOne-time base
Max Weight120 lbs100 lbs
Recline Options65

Dimension comparison

Evenflo All4Stages Slim 4-in-1 Convertible Car SeatSafety 1st Safety 1ˢᵗ® Turn and Go 360° Rotating All-in-One

Price Comparison

The Evenflo All4Stages Slim 4-in-1 Convertible Car Seat is priced at $209.00, while the Safety 1ˢᵗ® Turn and Go 360 Rotating All-in-One Convertible Car Seat is listed at $249.99. This makes the Evenflo car seat about 17% cheaper than its competitor. For parents on a budget, the price difference could be significant, especially considering that both seats offer multiple modes of use from birth through booster age. However, the extra cost of the Safety 1ˢᵗ® car seat may be justified by its unique rotating feature.

Safety Features

Both car seats meet or exceed federal safety standards, providing peace of mind for parents. The Evenflo All4Stages Slim features structural integrity testing and rollover testing, ensuring it can withstand various impacts. The Safety 1ˢᵗ® Turn and Go also emphasizes safety, with its SecureTech system that indicates proper belt tension and compliance with National Highway Traffic Safety Administration (NHTSA) standards. While both seats prioritize safety, the Turn and Go's additional features, like the connected base and rotating mechanism, may offer enhanced security and ease of use during installation.

Installation Process

The installation of the Evenflo All4Stages Slim is designed to be straightforward, claiming up to 50% less effort with its SecureTight system. Conversely, the Safety 1ˢᵗ® Turn and Go simplifies the process further with a one-time base installation that remains consistent across all modes of use, alleviating the need for re-installation as your child grows. This could be a deciding factor for busy parents who value convenience. The Turn and Go's built-in vehicle belt lock-off arm also aids in achieving a secure fit, which could be beneficial for those new to car seat installations.

Comfort and Adjustability

When it comes to comfort, both car seats provide adjustable features for growing children. The Evenflo All4Stages Slim has a 12-position headrest and a no-rethread harness, allowing for easy adjustments as kids grow. It also offers four rear-facing recline options and two forward-facing options. The Safety 1ˢᵗ® Turn and Go boasts a 10-position headrest and harness, with five reclining positions to ensure comfort at every growth stage. While both seats excel in adjustability, the Turn and Go's plush infant inserts and premium fabrics may offer an edge in comfort for younger passengers.

Space Efficiency

The Evenflo All4Stages Slim is designed with a streamlined 16.9-inch width, allowing for three car seats to fit across the backseat of most vehicles without compromising safety or comfort. This feature is particularly advantageous for families with multiple children. The Safety 1ˢᵗ® Turn and Go does not specifically highlight its width but focuses more on its rotational capability. For parents needing to maximize space, the Evenflo may be the more practical choice, particularly in tighter vehicle configurations.

Modes of Use

The Evenflo All4Stages Slim transitions through four modes: Rear-Facing (4 - 40 lb), Forward-Facing (30 - 65 lb), High-Back Booster (40 - 100 lb), and No-Back Booster (40 - 120 lb), accommodating children from birth to 120 pounds. Similarly, the Safety 1ˢᵗ® Turn and Go offers three modes: Rear-Facing (5 - 40 lb), Forward-Facing (30 - 65 lb), and Belt-Positioning Booster (40 - 100 lb). While both seats provide extensive use from infancy through childhood, the Evenflo offers an additional booster mode, potentially extending its usability for larger children.

Aesthetic and Design

In terms of design, the Evenflo All4Stages Slim is available in a cheerful Sanibel Pink, which may appeal to parents looking for vibrant options. The Safety 1ˢᵗ® Turn and Go comes in a more subdued Black Beauty design, which could be preferable for those seeking a classic look. While aesthetics are subjective, it's important to consider how the color and design fit into your vehicle's interior and your personal style.

Which should you buy?

Ultimately, the choice between the Evenflo All4Stages Slim and the Safety 1ˢᵗ® Turn and Go comes down to personal priorities. If budget and space-saving features are your primary concerns, the Evenflo offers a compelling option at a lower price, with the ability to fit three across in the backseat. However, if convenience during installation and comfort for your child are your main focuses, the Safety 1ˢᵗ® Turn and Go, with its 360-degree rotation and plush design, may be worth the extra investment. Each seat brings unique benefits to the table, making it essential to weigh those against your family's specific needs.