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Glass rear window and sedan/liftback discussion

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I am not convinced a middle-ground would not have been possible, but I am happy to agree to disagree on that if that is what our views come down to. But I will just try to explain a bit more carefully what I had in mind:

I am not suggesting making Model 3 a traditional hatchback, mind you. What I am suggesting would have been optimal, would have been making it just like Model S, which I guess in Europe is often known as a sportback - a coupeish hatchback, that can - for U.S. purposes - be called a sedan. When Tesla has a limited line-up, a generalist model like that can appeal not just sedan customers, but also those hatchback/stationwagon customers, yet look sporty enough for a coupe customer who abhors traditional sedans... Model S is genius.

I get it that rear headroom is a consideration in both Model S and Model 3, but that does not demand taking the shape all the way to the back like in an Audi A3 hatchback. Model 3 is a much larger car than an Audi A3, where size is at a premium. Extending the roof a bit to allow for a support structure behind the passengers' heads and making rear window smaller and lower would IMO have accommodated a good-sized rear hatch.

I have to agree with some posters. Elon/Tesla wanted their big back window and got it - the hatch got sacrificed in that process. That is my guess.
A mid point between the two gets you something like the Prius (and perhaps the 3 series GT), where the rear looks ugly, but at the same time it doesn't really solve the rear headroom issue (the hatchback mechanism is still there). That's why Toyota introduced the Prius V, which moved the styling back to closer to a traditional hatchback.
 
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A mid point between the two gets you something like the Prius (and perhaps the 3 series GT), where the rear looks ugly, but at the same time it doesn't really solve the rear headroom issue (the hatchback mechanism is still there). That's why Toyota introduced the Prius V, which moved the styling back to closer to a traditional hatchback.

Ye of little faith. In the right hands the 3 Series GT could turn into a functional beauty.

Audi has Audi A5 Sportback. Same size/class as Model 3.

15204136.jpg


IMO Tesla likely just wanted that huge glass window...

The new model:

audia5_2017_00.jpg
 
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Having seen one in the flesh, it's quite a bit smaller than a Model S, and probably the lowest SUV I've ever seen. Hard to pigeon hole it really, despite Jag claiming it's an SUV, it's sort of half way between a BMW 5 GT and an F-Pace.

I guess it's sort of what I'm expecting the Y to be like.
The I-PACE is really only slightly smaller in exterior volume than the Model S.
Googled these volumes (in³):
Code:
f-pace  186 x 82 x 65       = 991380
audi a8 207 x 77 x 58       = 924462
bmw 5gt 196.8 x 74.8 x 61.4 = 903847
bmw 7   207 x 75 x 58       = 900450
model s 196 x 77 x 57       = 860244
i-pace  184 x 74.4 x 61.4   = 840541
bmw 5   195 x 74 x 58       = 836940
audi a6 194 x 74 x 58       = 832648
audi a7 196 x 75 x 56       = 823200
bmw m5  194 x 74 x 57       = 818292
model 3 184 x 74 x 57       = 776112
audi a4 186 x 73 x 56       = 760368
mb c    185 x 71 x 57       = 748695
bmw m4  185 x 74 x 54       = 739260
a5 sb   186.3 x 72.6 x 54.6 = 738486
mb c43  185 x 71 x 55       = 722425
bmw m2  176 x 73 x 56       = 719488
audi a5 182 x 73 x 54       = 717444
bmw 3   179 x 71 x 56       = 711704
bmw 4   183 x 72 x 54       = 711504
bmw 2   175 x 70 x 56       = 686000
 
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@ohmman I am waiting for your science on how Audi A5 Sportback is impossible.
For what it is worth, I shall issue a proclamation that, on the evidence of your hundredth post on this thread, that @AnxietyRanger is officially on the permanent record as stating unequivocally that the Model 3 should have been a hatch in the style of a smaller model S. At your instruction, I will mail you a notarized and hermetically sealed original version of the proclamation on papyrus scroll that you can use to shoo away non-believers and save yourself the trouble of 100 more posts. :)
 
Well, that decides it then. Tesla made the right decision to make the model 3 a "pure" sedan :)

Just because BMW made an ugly car does not mean the sportback/gran turismo form-factor is not beautiful or even classic.

We have Model S to prove.

And in Model 3 size/class the Audi A5 Sportback:

Ye of little faith. In the right hands the 3 Series GT could turn into a functional beauty.

Audi has Audi A5 Sportback. Same size/class as Model 3.

15204136.jpg


IMO Tesla likely just wanted that huge glass window...

The new model:

audia5_2017_00.jpg
 
Cd is 0.29 on that vehicle. Not even close to 0.21.

Even you got to admit you can't know it is the back. It is very sleek. It is a great form-factor.

We have Model S to prove it too.

Is it possible Tesla tried the same and could not put their Cd magic into a hatch? Sure. But we don't know that. Wanting that glass design is quite plausible too...
 
Even you got to admit you can't know it is the back. It is very sleek. It is a great form-factor.

We have Model S to prove it too.

Is it possible Tesla tried the same and could not put their Cd magic into a hatch? Sure. But we don't know that. Wanting that glass design is quite plausible too...
You're probably right. Elon said "design me a car that can have big glass in back. To hell with anything else."

I concede.
 
The I-PACE is really only slightly smaller in exterior volume than the Model S.
Googled these volumes (in³):
Code:
f-pace  186 x 82 x 65       = 991380
audi a8 207 x 77 x 58       = 924462
bmw 5gt 196.8 x 74.8 x 61.4 = 903847
bmw 7   207 x 75 x 58       = 900450
model s 196 x 77 x 57       = 860244
i-pace  184 x 74.4 x 61.4   = 840541
bmw 5   195 x 74 x 58       = 836940
audi a6 194 x 74 x 58       = 832648
audi a7 196 x 75 x 56       = 823200
bmw m5  194 x 74 x 57       = 818292
model 3 184 x 74 x 57       = 776112
audi a4 186 x 73 x 56       = 760368
mb c    185 x 71 x 57       = 748695
bmw m4  185 x 74 x 54       = 739260
a5 sb   186.3 x 72.6 x 54.6 = 738486
mb c43  185 x 71 x 55       = 722425
bmw m2  176 x 73 x 56       = 719488
audi a5 182 x 73 x 54       = 717444
bmw 3   179 x 71 x 56       = 711704
bmw 4   183 x 72 x 54       = 711504
bmw 2   175 x 70 x 56       = 686000
Interesting from a "footprint" perspective the IPace and Model 3 are so close!

This is probably what I picked up on. Particularly it being noticeably narrower than my S
 
You're probably right. Elon said "design me a car that can have big glass in back. To hell with anything else."

I concede.

I guess this is a Euro vs. U.S. thing. I can not understand the opposition of a sporty hatch in these discussions. You talk as if it must be a Prius and it is impossible aero-wise anyway.

I don't get that. Does the Model S form-factor really seem so foreign and strange to you? It is common enough in Europe. I see A5 Sportbacks every day. They are very popular.

A5 Sportback is a very beautiful and functional Model S style form-factor in a Model 3 size car. It is not some impossible anomaly these threads make it sound like.
 
Just because BMW made an ugly car does not mean the sportback/gran turismo form-factor is not beautiful or even classic.

We have Model S to prove.

Sure, but Model S is hardly the car for you if you're worried about headroom in the backseat. The problem isn't making a hatchback with Model 3 dimensions, the problem is that you can't have your cake and eat it at the same time.
 
Even you got to admit you can't know it is the back. It is very sleek.

I hope you are not referring to I-pace as being sleek, sure if we compare with a traditional ICE designs but Tesla is miles ahead in EV design fundamentals. I would put down a deposit for a Model Y today without seeing its alpha prototype yet would not even consider an I-pace.
 
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I hope you are not referring to I-pace as being sleek, sure if we compare with a traditional ICE designs but Tesla is miles ahead in EV design fundamentals. I would put down a deposit for a Model Y today without seeing its alpha prototype yet would not even consider an I-pace.

I am talking the Model 3 sized hatchback Audi A5 Sportback.

2017-Audi-A5-SportBack-4.jpeg
 
Ye of little faith. In the right hands the 3 Series GT could turn into a functional beauty.

Audi has Audi A5 Sportback. Same size/class as Model 3.

15204136.jpg


IMO Tesla likely just wanted that huge glass window...

The new model:

audia5_2017_00.jpg
This looks good because they kept the roof profile low, but is the same situation as the "mini-Model S" which we already know is possible (no one disputed that), but compromises rear headroom.

947 mm rear headroom for UK specs
https://www.carwow.co.uk/blog/audi-a5-dimensions-0360

974mm rear headroom for 3 series GT UK specs.
2016 BMW 3 Series Gran Turismo 330dA SE Interior features - MSN Cars

To make it clear, no one is saying that you can't have a mini-Model S, just that it'll have the same headroom issues, which Elon said was specifically the reason not to go with that design.

If you want to keep a similar design and make room for headroom, you would have to move the roof beam back, which gets you to the uglier look of the 3 series GT (because the slope begins later).
 
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This looks good because they kept the roof profile low, but is the same situation as the "mini-Model S" which we already know is possible (no one disputed that), but compromises rear headroom.

947 mm rear headroom for UK specs
https://www.carwow.co.uk/blog/audi-a5-dimensions-0360

974mm rear headroom for 3 series GT UK specs.
2016 BMW 3 Series Gran Turismo 330dA SE Interior features - MSN Cars

I felt a lot of people disputing that, so good to hear at least some are not.

I get it that there are pros and cons to every shape of course. I have no problem with your post.