Family of Four’s Car Search: 5ch Users Insist ‘Sliding Doors Are a Must’

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The story

A thread that began as a car-buying consultation from a family of four (the poster, his wife, a 2-year-old, and a newborn) turned into a discussion about choosing a vehicle that could also accommodate grandparents down the line. The first piece of advice was that “sliding doors are a must if you have kids” — nearly everyone agreed, citing the need to prevent so-called “door dings,” where kids fling doors open in parking lots without checking their surroundings and hit the car next to them. When it came to specific models, though, opinions split: the Serena, Freed, Sienta, Odyssey, and Nissan Leaf were all mentioned, with some prioritizing interior space and others prioritizing price. Commenters also debated, drawing on personal experience, whether a 6-seat vehicle was really necessary to fit grandparents and whether third-row seats could handle long-distance trips.

What people said

1AnonymousSep 26, 2026 13:17
[Family makeup]
4 people (me, the wife, a 2-year-old, and a newborn)
Both sets of parents live nearby, so I'm factoring in driving the grandparents around too
2AnonymousSep 26, 2026 13:18
My kid's a newborn but I bought a RAV4
Guess I should've gone with sliding doors?
4AnonymousSep 26, 2026 13:18
Re: #2
If you've got kids, sliding doors are non-negotiable
60AnonymousSep 26, 2026 13:41
Re: #2
You're fine while they're a newborn
But by your next inspection or the one after, they'll be opening doors themselves, so go sliding
5AnonymousSep 26, 2026 13:18
If you've got kids, get sliding doors — they will absolutely ding someone's car
13AnonymousSep 26, 2026 13:20
Re: #5
I've got a Note right now but I'm scared of door dings, so I'm about due for a trade-in
7AnonymousSep 26, 2026 13:18
The Serena looks like good value since Nissan's unpopular right now
Used Freeds are cheap but cramped
15AnonymousSep 26, 2026 13:21
Re: #7
I get the impression Serenas break down easily

On the flip side, the Sienta and Freed seem cramped
10AnonymousSep 26, 2026 13:19
A Solio was plenty when it was just our one daughter, but once the second kid came along, I started wanting something more like a Sienta
20AnonymousSep 26, 2026 13:22
Re: #10
What are you driving now?
12AnonymousSep 26, 2026 13:20
Just plug your conditions into Carsensor (a used-car search site) and grab whichever's cheapest
They're all basically the same anyway
24AnonymousSep 26, 2026 13:23
Re: #12
Oh really?
Guess I'll just do that then
16AnonymousSep 26, 2026 13:21
If you factor in two car seats plus grocery space, isn't the 6-seat Freed the way to go?
26AnonymousSep 26, 2026 13:24
Re: #16
I figure I should also plan ahead in case we have a third kid
22AnonymousSep 26, 2026 13:23
The Sienta or Freed is plenty
Once the kids are a bit bigger you can step up to Serena-class
30AnonymousSep 26, 2026 13:25
Re: #22
I see
Guess I'll go that route then
25AnonymousSep 26, 2026 13:23
Re: #4
Yeah, might do that next time I buy
Are sliding doors really that essential though?
34AnonymousSep 26, 2026 13:26
Re: #25
It's less that sliding doors are just nice and more that kids fling the door open without looking and hit the car next to you, so they're basically mandatory
28AnonymousSep 26, 2026 13:24
Re: #19
That's a pretty tall order
33AnonymousSep 26, 2026 13:26
Re: #28
Not that different from a Serena
The Freed and Sienta have an awkward, in-between amount of space that's hard to use
35AnonymousSep 26, 2026 13:27
Re: #33
Is the Serena a bad choice?
42AnonymousSep 26, 2026 13:29
I've got a similar family setup — how's the Nissan Leaf?
Assuming the national and Tokyo subsidies carry over into next year
47AnonymousSep 26, 2026 13:32
Re: #42
I don't know much about EVs, but how many seats does the Leaf even have?
50AnonymousSep 26, 2026 13:34
Even if you're careful, a gust of wind can rip the door out of your hand, so sliding doors are better
The Serena's a no-go — search around and you'll see why
52AnonymousSep 26, 2026 13:35
Re: #50
I'll look into it

Though I get the feeling it'll start breaking down after about 10 years
53AnonymousSep 26, 2026 13:36
Also, should I get adaptive cruise control and lane-keep assist for highway driving?
103AnonymousSep 26, 2026 14:14
Re: #53
If you're doing long highway drives, you definitely want them
Makes a huge difference in comfort
58AnonymousSep 26, 2026 13:41
This one looks decent

76AnonymousSep 26, 2026 13:56
Re: #58
Why's this Odyssey so cheap?
63AnonymousSep 26, 2026 13:44
This is the size my dad used to drive when I was a kid, and honestly it's just right
Doubt there's a car this size with this much interior space anymore
65AnonymousSep 26, 2026 13:46
Cars have gotten way too expensive lately

Like 4 years ago you could get a 10-year-old Sienta for around 700,000 yen
67AnonymousSep 26, 2026 13:48
Re: #65
A Toyota Isis goes for about that now
71AnonymousSep 26, 2026 13:53
Re: #67
Nice, that works!


74AnonymousSep 26, 2026 13:55
Even used, with that budget wouldn't something like an N-BOX give you more bang for your buck?
Though if you're planning long trips, you'll need Serena-level size for all the luggage
77AnonymousSep 26, 2026 13:56
Re: #74
N-BOXes are ridiculously expensive whether new or used
I have no idea what it would even take for one to feel like a good deal
78AnonymousSep 26, 2026 13:57
Re: #74
I love traveling, so I do a couple of 1,000km+ round trips a year

Plus the occasional 2-3 hour highway trip
81AnonymousSep 26, 2026 13:58
Re: #74
I'm not considering a kei car

Besides, those can't seat 5 or more anyway
Since I sometimes drive the grandparents too, a 6-seater is a must
90AnonymousSep 26, 2026 14:02
Re: #83
Sounds like a similar situation to mine

How's the Sienta's third row in practice?
I'm thinking about a roughly 4-hour highway trip with the grandparents and I'm curious if it's actually doable
96AnonymousSep 26, 2026 14:08
Re: #90
I drove from Chiba to Nagano
My mom slept like a baby the whole way, even in the third row
101AnonymousSep 26, 2026 14:11
Re: #96
Oh, is that right
Guess a Sienta could work then
102AnonymousSep 26, 2026 14:13
Re: #101
Probably depends on how big your grandparents are, and keep in mind using the third row kills your trunk space
104AnonymousSep 26, 2026 14:16
Re: #101
I wonder if the Sienta's third row is actually spacious — my grandma said even the second row felt cramped and she hated it

Background and Key Points of the Discussion

The advice that “sliding doors are the only choice if you have kids” is standard wisdom in 5ch parenting threads, offered as a defense against so-called “door dings” — kids swinging car doors open in parking lots without checking their surroundings and hitting the car parked next to them — and commenters were unanimous on that point this time as well. Opinions on specific models, however, were split, pitting the trunk-space-and-price-balanced Freed and Sienta against the more spacious Serena and Odyssey. Once a 6-seat capacity for carrying grandparents became a requirement, kei cars and the N-BOX were ruled out, and the discussion turned to whether third-row seats could handle long-distance trips — though this turned out to depend less on the vehicle class than on the size and stamina of the grandparents riding along, leading posters to offer conflicting assessments based on their own experience. Some commenters also expressed surprise at rising used-car prices, a trend that has been noted in recent years due to new-car supply issues and increased demand, and isn’t unique to this particular vehicle. Comments about EVs like the Nissan Leaf were premised on subsidies continuing, underscoring how dependent that topic is on government policy.

※This article is compiled and summarized from the 5ch (Nandemo Jikkyo G) thread “Trying to decide what car to buy (family of four).”

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