Great convertible car seat. We have used it from birth for our son. Now at 9 months old he is forward facing and loves it. It was so easy to adjust the shoulder strap height and remove the newborn padding. It does take up a lot of space in the rear facing position but I think most seats do.

Easy to attach the seat, especially with isofix. The seat does seem to be quite thick, so during summer it does get a bit stuffy for Bub. Other than that, it’s been doing a great job!

My baby is 7months, still rear facing in the 0-4years Millenia. We are finding that we can’t extend the straps far enough to get him out now that he’s bigger...any suggestions? Do I need an extender or something?

We have been using this car seat for nearly 6 months. It’s very easy to get baby in and out of car. Baby easily falls asleep while driving so must be comfy. I have only just learnt that you can loosen the strap that runs down the sides making it much easier to get baby out when in reverse.

Super safe, super soft but it is so huge it will fill up your whole car! Bit hard to change the length of the straps but I feel like that’s the issue with ever car seat.

it is super easy to clip my baby in, and take her out. She sleeps easily in it as it is comfy and padded and it is quite nice made with really good fabrics.

Purchased this seat brand new and have always had the issue of the straps jamming. The metal buckle in the back is always catching the straps making it hard to do up and awkward to get your hand in to unhook the jam. This issue means tuts never tight enough and now my toddler can easily get her arms out of it, and with daily highway driving just isn’t safe. Am in the market for something better.

Have been using for 6 months now and couldn’t be happier. It’s easy to use and my boy looks very comfortable in it. It’s easy to install etc however in rear mode doesn’t leave a great deal of space for front passenger.

This car seat has been perfect for our needs. Easy to install and feels very secure when in place. Easily adjustable and comfortable for bub. Also feel as though it was well priced in the market. Lots of safety features included.

I think my child is much more comfortable in this chair than the previous one we had. We had it professionally installed so we haven't wanted to remove at all. It is much more stable than the seat we previously had too. Takes up the same amount of room or less. The buckle is easier to use too and no twists.

We bought this carseat for my baby and really happy for the quality. I've found this carseat very safe and comfortable. I recommend this carseat to everyone who has little one and wants to have a really safe carseat.

This car seat is excellent. It has great features specially the head protection. Cushions are great and fabric soft. I’ve tried a few different brands and in my opinion Britax has the best quality. The price is worth it. It is not bulky so it doesn’t take much space from the back seats. I recommend this car seat.

Very comfy and secure car seat. It is very easy to place in and out of the car, also getting the kids in the seats. Very happy with this purchase.
And so EASY TO WASH!

The Britax Safe-n-Sound Millenia car seat is excellent. I feel confident that baby is secure and protected. Fabric is soft and breathable, specially for summer days. I feel baby is comfy and happy when driving. Head protection is very sophisticated. Belt is easy to clip. The fact that the seat grows with baby is a plus and it makes the seat worth the money. I recommend it.

The quality is superb, its padded and the safety belts are the same as my car seatbelts. Can be installed easily as instructions were very clear. My son is very comfortable, he loves it so much. He can easily fall asleep for hours especially that we love to travel. Would definitely recommend to my friends.

This is a great and safe car seat. We have bought one and currently to get a second one for my wife's car. We are very happy with it. My toddler loves riding on it and it is easy to clean and install. Highly recommended for all car sizes. Cheers

My daughter started out in a steelcraft capsule.
She wasn't comfortable or happy travelling in it. We searched and tried may seats.
She loves her Britax millenia, almost as much as we do!
The isofix install is brillant, and the straps ate easy to adjust.
She is very comfortable and safe in this model. We are happy to keep her rear facing as long as possible. I have removed the seat covers and cleaned them as recommend by the manufacturer. Easy to remove and replace.

Only purchased this today, already baby is more comfortable and asleep in it longer than a capsule ( very bad one where head rolled around ) great head support and baby looks cosy in it, last bub was 11 years ago and i had something very similar. You get what you paid for, small price to pay for safety & comfort, easy to install did it in under 5mins. Thanks

My child is very happy in this car seat, much better than the capsule he was in, we noticed a difference immediately. The britax millennia is really sturdy and and I always feel he’s super safe in it. It’s easy to use as well. Only issue is our car must be a bit on the small side because we have to pull the passenger seat quite far forward to allow for the seat to face rear wards. We have a jeep Cherokee so not smallest car either. Woudl highly recommend the car seat though!