Joie Chili Spin SI Rotating 2-in-1 Convertible Car vs Safety 1st Crosstown Slim All-in-One Convertible
Updated August 2026 — Joie Chili Spin SI Rotating 2-in-1 Convertible Car leads on adjustability and safety.
The Chili Spin SI offers innovative features and superior safety, while the Safety 1st Crosstown Slim provides excellent value and adaptability for budget-conscious families.
Why Joie Chili Spin SI Rotating 2-in-1 Convertible Car is better
Safety Standards
Tested to the newest safety standards (FMVSS 213a & 213b)
Convenience
360° spin design for easy access
Harness System
No-rethread harness for easy adjustments
Why Safety 1st Crosstown Slim All-in-One Convertible is better
Price
$210 cheaper than Chili Spin SI
Versatility
3-in-1 car seat for longer use
Space Saving
Slim design fits 3 across back seat
Overall score
Specifications
| Spec | Joie Chili Spin SI Rotating 2-in-1 Convertible Car | Safety 1st Crosstown Slim All-in-One Convertible |
|---|---|---|
| Safety Rating | FMVSS 213a & 213b | Federal Standards |
| Modes | 2-in-1 | 3-in-1 |
| Cleaning | Not specified | Machine-washable |
| Spin Feature | Yes | No |
| Cupholders | No | 2 removable |
Dimension comparison
Overview of the Chili Spin SI and Safety 1st Crosstown Slim
The Chili Spin SI Rotating 2-in-1 Convertible Car Seat is priced at $339.99, while the Safety 1st Crosstown Slim All-in-One Convertible Car Seat costs $129.99, making the Crosstown approximately 62% cheaper. Both seats offer unique features designed to keep children safe and comfortable during travel, but they cater to different needs and budgets.
Design and Functionality
The Chili Spin SI features a 360° spin design that allows parents to turn the seat toward them for easy access when placing a child in or taking them out. This thoughtful design enhances convenience, especially for younger children. In contrast, the Safety 1st Crosstown Slim boasts a slim design that measures 17 inches wide, allowing it to fit three seats across the back of most vehicles. This space-saving feature is particularly beneficial for families with multiple children or for those who frequently carpool.
Safety Features
Safety is paramount in both models, with the Chili Spin SI tested to the newest safety standards (FMVSS 213a & 213b). It is designed to provide peace of mind for parents concerned with crash performance. Meanwhile, the Safety 1st Crosstown Slim is also engineered and tested to meet or exceed federal safety standards and includes a side impact standard compliance. Both seats prioritize child safety, but the Chili Spin SI emphasizes its compliance with the latest regulations.
Growth and Adaptability
The Chili Spin SI is a 2-in-1 car seat, adapting from a rear-facing position for infants to a forward-facing position for toddlers. It includes a no-rethread harness that can be adjusted easily as your child grows, providing a tailored fit. On the other hand, the Safety 1st Crosstown Slim is a 3-in-1 car seat, transforming from a rear-facing car seat (5–40 lbs.) to a forward-facing car seat (30–65 lbs.) and finally to a belt-positioning booster seat (40–100 lbs.). This versatility ensures that it can accommodate children from birth to about 10 years old, making it a long-term investment.
Ease of Use
The Chili Spin SI offers a no-rethread harness system for easy adjustments, which is beneficial for parents managing a growing child. The Safety 1st Crosstown Slim also boasts a one-hand adjustable harness and an 8-position headrest, ensuring a snug fit without the hassle of rethreading. Both seats are designed with user-friendliness in mind, but the Chili Spin SI's rotating feature may offer an added level of convenience for direct access.
Cleaning and Maintenance
For maintenance, the Safety 1st Crosstown Slim includes a machine-washable and dryer-safe seat pad, as well as two removable, dishwasher-safe cupholders. This easy cleaning feature makes it a practical choice for busy parents. The Chili Spin SI does not specify similar cleaning features but is designed for durability and safety. While both seats are built for everyday use, the cleaning amenities of the Crosstown Slim provide a significant advantage.
Price Comparison
The price difference between the two seats is significant, with the Safety 1st Crosstown Slim retailing at $129.99, which is about $210 cheaper than the Chili Spin SI at $339.99. This substantial price gap may sway budget-conscious parents, especially those looking for a car seat that grows with their child without a hefty investment.
Which should you buy?
Choosing between the Chili Spin SI Rotating 2-in-1 Convertible Car Seat and the Safety 1st Crosstown Slim All-in-One Convertible Car Seat ultimately depends on your family's specific needs and budget. If you prioritize innovative features such as the 360° spin and are willing to invest more for convenience, the Chili Spin SI may be the better choice. However, if you need a versatile, budget-friendly option that accommodates a growing child, the Safety 1st Crosstown Slim offers excellent value and adaptability.

