Talking about All-in-One Convertible Car Seat, We should mention Diono Rainier and Diono Radian RXT as two All-in-one convertible car seats offered by Diono. As two all-in-one car seat from Diono, We can find similarities between Diono Rainier and Radian RXT. So which of them is the one that you should choose? Let’s talk about similarities and differences of Diono Rainier and Diono Radian RXT so that We can answer that question after We know the similarities and differences of those two all-in-one convertible car seat.
Similarities between Diono Rainier and Radian RXT
Diono Rainier
We can find several similarities between Diono Rainier and Radian RXT as They are two all-in-one car seat from Diono. What are their similarities? Let’s talk about their similarities together.
1. 3-in-1 Convertible Car Seat
Diono Rainier and Diono Radian RXT come as 3-in-1 convertible car seat. They can be used in 3 different modes, Rear-facing, forward-facing with harness and booster mode. With these 3 different modes, both of Diono Rainier and Radian RXT are able to accommodate your child as they grow. We can find that the weight limit for rear-facing and forward-facing with harness for Diono Rainier and Diono Radian RXT are different. But the weight limit for booster mode is similar. They can be used for 50-120 pounds child on their booster mode.
2. Full steel frame and aluminum reinforced sides
Diono Rainier and Radian RXT come with full steel frame and aluminium reinforced sides. They also come with Energy absorbing EPS foam. The combination of steel frame, aluminium reinforced side walls and energy absorbing EPS foam provide strength and safety to protect your child from any crash.
3. Adjustable Head Support
Both of Diono Rainier and Radian RXT come with 12-positions head support. It’s combined with aluminium reinforcement that offer additional layer of protection. With 12-positions head support, your child can be protected as they grow.
4. 5 Shoulder Positions & 3 Buckle Positions
Diono Rainier and Radian RXT are both completed with 5 shoulder positions and 3 buckle positions. With 5 shoulder positions and 3 buckle positions, you can find your custom positions for your comfortable ride.
5. Superlatch Installation with Rear-facing Top Tether
Both of Diono Rainier and Diono Radian RXT come with Superlatch installation. Superlatch installation helps you to get strong and secure installation easily. Superlatch installation is completed with audible click and visual indicator that let you know when the connectors is well connected. Diono Rainier and Radian RXT are also completed with rear-facing top tether. Rear-facing top tether is additional feature that help you to reduce the
6. Fits 3 Across and Folds Flat
Diono Rainier and Radian RXT are designed as slim convertible car seat so It fits 3 across in most mid-sized vehicle. Diono Rainier and Radian RXT also fold flat for easy storing and traveling.
7. Washable Fabric with Cup Holder
Both of Diono Rainier and Radian RXT come with washable fabric. So It’s easy to get them cleaned when They get dirty. They also come with additional cup holder that give your child access to their drink during the trip.
We can summarize the similarities of Diono Rainier and Diono Radian RXT into the table below.
| Diono Rainier | Diono Radian RXT | |
| Brand | Diono | Diono |
| Car Seat Type | Convertible Car Seat | Convertible Car Seat |
| Car Seat Mode | 3-in-1 | 3-in-1 |
| Booster Car Seat Weight Limit | 50-120 pounds | 50-20 pounds |
| Full Steel Frame | YES | YES |
| Aluminium Reinforced Sides | YES | YES |
| Adjustable Head Support | 12-Positions | 12-Positions |
| EPS energy absorbing foam | YES | YES |
| Shoulder Positions | 5-Positions | 5-Positions |
| Buckle Positions | 3-Positions | 3-Positions |
| SuperLATCH Installation | YES | YES |
| Rear-facing Top Tether | YES | YES |
| Washable Seat Pad | YES | YES |
| Fits 3 Across | YES | YES |
| Folds Flat | YES | YES |
| Cup Holder | YES | YES |
Differences between Diono Rainier and Radian RXT
Diono Radian RXT
Besides similarities, We can also find differences between Diono Rainier and Diono Radian RXT. Let’s discuss the differences of Diono Rainier and Diono Radian RXT together.
1. Weight Limit
Although Diono Rainier and Diono Radian RXT come as similar 3-in-1 convertible car seat, They come with a little different weight limit on their stages. We can find the differences on the rear-facing weight limit and forward-facing with harness weight limit. Diono Rainier can be used for 5-50 lbs infant, while Diono Radian RXT weight limit is a little narrower as It only can be used for 5-45 lbs infant in its rear-facing mode. The forward-facing harness weight limit of Diono Rainier is 20-90 lbs, while the forward-facing weight limit of Diono Radian RXT is a little shorter as It can be used as forward-facing harness for 20-80 lbs infant only.
2. Price
Diono Rainier come with a little wider weight limit on its rear-facing and forward-facing harness mode. With the wider weight limit, Diono Rainier is commonly offered at the higher price than Diono Radian RXT. How much is their price difference? There’s no fixed price difference. To know the updated price difference between those two convertible car seats, It’s recommended to check their latest price.
Based on our discussion above, We can make table of differences like below.
| Diono Rainier | Diono Radian RXT | |
| Rear-Facing Weight Limit | 5-50 lbs | 5-45 lbs |
| Forward-Facing Harness Weight Limit | 20-90 lbs | 20-80 lbs |
| Price | More Expensive | Less Expensive |
Diono Rainier or Diono Radian RXT?
Diono Rainier and Diono Radian RXT are two all-in-one car seats that introduced by Diono. As We have talked above, The key difference between Diono Rainier and Diono Radian RXT come from their weight limit. Diono Rainier has a little wider weight limit on its rear-facing and forward-facing harness mode. Diono Rainier can be used for 46-50 lbs kid in rear-facing mode, and 80-90 lbs toddler in its forward-facing harness mode. So if you think that your child will use that additional weight limit, you should consider Diono Rainier as your choice while you should pay a little more for that.
Diono Radian RXT is another good choice that you should consider. While all the features and specs are similar to Diono Rainier, It’s a little shorter in weight limit for rear-facing mode and forward-facing with harness mode. If you think that your child will no longer use the rear-facing mode when He/She is 46-50 lbs and no longer use forward-facing with harness when He/She is 80-90 lbs then you should go ahead with Diono Radian RXT as It’s priced at a little lower price.