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 — Safety 1st Safety 1ˢᵗ® Turn and Go 360° Rotating All-in-One leads on installation and safety.
The Evenflo All4Stages Slim offers better value and compact design, while the Safety 1st Turn and Go excels in convenience and advanced features.
Why Evenflo All4Stages Slim 4-in-1 Convertible Car Seat is better
Price
Evenflo is cheaper by about 8%
Size
Slim design fits three seats across
Installation
Claims 50% easier installation
Why Safety 1st Safety 1ˢᵗ® Turn and Go 360° Rotating All-in-One is better
Rotation
360-degree rotation for easier access
Ease of Use
One-time base installation for all modes
Comfort
Plush design with premium fabrics
Overall score
Specifications
| Spec | Evenflo All4Stages Slim 4-in-1 Convertible Car Seat | Safety 1st Safety 1ˢᵗ® Turn and Go 360° Rotating All-in-One |
|---|---|---|
| Modes | 4-in-1 | 3-in-1 |
| Safety Standards | Yes | Yes |
| Cup Holders | 2 | 2 |
| Headrest Positions | 12 | 10 |
| Weight Limit | 120 lbs | 100 lbs |
Dimension comparison
Overview of the Evenflo All4Stages Slim 4-in-1 Convertible Car Seat
The Evenflo All4Stages Slim 4-in-1 Convertible Car Seat is priced at $229.00, making it an appealing option for parents looking for a versatile car seat. This model supports four modes of use, from rear-facing for infants to a high-back booster for older children. Its compact 16.9-inch width allows for three seats to fit across the backseat without compromising safety or comfort. The All4Stages Slim emphasizes ease of installation and adjustment, featuring SecureTight technology that claims to reduce installation effort by up to 50%.
Overview of the Safety 1st Turn and Go 360 Rotating All-in-One Convertible Car Seat
The Safety 1st Turn and Go 360 Rotating All-in-One Convertible Car Seat is available for $249.99, which is approximately 9% more expensive than the Evenflo model. This seat stands out with its innovative SafetySwivel 360 rotational technology, enabling full rotation in all three modes. It accommodates children from 5 to 100 pounds, transitioning seamlessly from rear-facing to booster seat. The Turn and Go also features a built-in vehicle belt lock-off arm for easier installation, which can be a significant benefit for parents who frequently move the seat between vehicles.
Safety Features Comparison
Safety is a top priority for both car seats, but they approach it differently. The Evenflo All4Stages Slim meets or exceeds all applicable Federal Safety Standards and includes structural integrity testing and rollover testing. It also features a no-rethread harness and a 12-position headrest for optimal fit as children grow. On the other hand, the Safety 1st Turn and Go also meets federal safety standards and includes unique features like SecureTech indicators that help parents ensure a secure fit. The Turn and Go’s design alleviates common installation issues, making it a strong contender in safety features.
Ease of Installation
In terms of installation, the Evenflo All4Stages Slim claims to make the process 50% easier with its SecureTight technology, which is a significant advantage for busy parents. It also allows for a straightforward adjustment of the headrest and harness with one hand. Conversely, the Safety 1st Turn and Go simplifies installation by using a one-time base installation across all three modes, eliminating the need for reinstallation as the child grows. Both models prioritize user-friendliness, but the Turn and Go’s rotational feature adds ease during daily use, especially when buckling in a child.
Comfort and Adjustability
The Evenflo All4Stages Slim offers a comfortable experience with its multiple recline options: four for rear-facing and two for forward-facing. Its 12-position headrest and no-rethread harness promote comfort as the child grows. The design also includes removable cup holders for convenience. In comparison, the Safety 1st Turn and Go features a plush design with its own 10-position headrest and harness adjustment, plus a five-position recline. Both seats are built for comfort, but the Turn and Go’s plush inserts may offer an edge for younger infants.
Size and Fit
The Evenflo All4Stages Slim’s compact 16.9-inch width is specifically designed to fit three car seats across the backseat, making it an excellent option for families with multiple children. Its slim footprint is ideal for smaller vehicles. On the other hand, the Safety 1st Turn and Go, while also designed to accommodate children from birth to booster, does not emphasize size as much as the Evenflo model. If fitting multiple seats in a tight space is a priority, the Evenflo may have the advantage.
Price Comparison
The Evenflo All4Stages Slim is priced at $229.00, while the Safety 1st Turn and Go is priced at $249.99. This makes the Evenflo model about 8% cheaper, which could be a deciding factor for budget-conscious parents. Given that the difference in features may not justify the price increase for some families, the Evenflo could be seen as a better value for those looking for a reliable and versatile car seat without breaking the bank.
Which should you buy?
Choosing between the Evenflo All4Stages Slim and the Safety 1st Turn and Go ultimately depends on your family's specific needs. If you prioritize a compact design that allows for fitting multiple car seats and appreciate a lower price point, the Evenflo All4Stages Slim is a fantastic choice. However, if you value rotational convenience and advanced installation features, the Safety 1st Turn and Go may be worth the additional investment. Both seats are well-rated and meet safety standards, so you can feel confident in whichever option you choose.

