[NghtlwCorolla]

Now this is something that’s been on my mind. I understand the logistics behind don’t make sense to do it probably BUT, will the gr corolla be the same
“body”as a corolla with just different subframes for the whole new drivetrain? or is this gonna be a completely different platform than the corolla hatchback itself?

 

[DropIt]

Who fucking knows, honestly lol

 

[Tokyotexan]

Will share some exterior components like doors, windshields, side mirrors, head and tail lights, hatch lid, maybe hood (might be aluminum though), maybe roof skin (again might be aluminum or hopefully carbon).
Fenders, bumpers, side skirts, and spoiler will all probably be different. Interior will probably be different styling except the back seats, but entire interior should probably be compatible to swap in between. Suspension will most likely be different including wheel pattern (5x114 vs 5x100).

 

[Wynorrific]

Now this is something that’s been on my mind. I understand the logistics behind don’t make sense to do it probably BUT, will the gr corolla be the same
“body”as a corolla with just different subframes for the whole new drivetrain? or is this gonna be a completely different platform than the corolla hatchback itself?

The rear framing of the Corolla is the exact same as the GRY so there isn't an issue there. The GRC and Corolla will share most of the same exterior body pannels for sure. As for the front frame, I'm not sure what they'll do there. It's possible they do GRY, the Corolla platform or just a new platform but I don't see a new platform happening

 

[Jeonsa]

We don’t know much, all I can bet is the battery will most likely be up front in the engine bay. 😂

 

[Taroroot]

I'm thinking it will share a lot with regular Corolla. We still don't know about how the widebody is done, just flares? Maybe the whole front fender is different and rear is flares? Cost wise I would think they want to share as much as possible, also save on development for safety testing, which was the given reason why we didn't get the GR Yaris in the first place. The rear drive system is very compact so I think body mods to fit it might be not too big. At the least there fill be flares and the front and rear bumpers different and prob grill. Probably side skirts.
The Corolla hatch already has an aluminum hood and composite hatch so those prob wont change. Awesome if the do something with roof. I give extremely low chance it will have aluminum doors like the GRY.
My hope is that its built in Motomachi and given the GRY treatment and they do extra adhesive and welding on the body seams too.

 

[Jeonsa]

I'm thinking it will share a lot with regular Corolla. We still don't know about how the widebody is done, just flares? Maybe the whole front fender is different and rear is flares? Cost wise I would think they want to share as much as possible, also save on development for safety testing, which was the given reason why we didn't get the GR Yaris in the first place. The rear drive system is very compact so I think body mods to fit it might be not too big. At the least there fill be flares and the front and rear bumpers different and prob grill. Probably side skirts.
The Corolla hatch already has an aluminum hood and composite hatch so those prob wont change. Awesome if the do something with roof. I give extremely low chance it will have aluminum doors like the GRY.
My hope is that its built in Motomachi and given the GRY treatment and they do extra adhesive and welding on the body seams too.

I see them going aluminum with the roof. Extra adhesive is possible too.

if you get a GR Yaris version of the GRC, that will be a GRMN I think

 

[Wynorrific]

I feel like if it is made in Motomachi, it's possible the wide fenders could be aluminum but again, don't want to get any hopes up

 

[Veloist]

Think of it this way—the life of every GR Yaris begins with a regular manufactured Yaris frame.

It’s possible the GR Corolla production can follow the same process where it begins as a regular Corolla hatchback frame sent to Motomachi for GR Corolla spec assembly. On the other hand, Toyota doesn’t necessarily need to manufacture the GR Corolla like this, unless they’re actually planning to use it in rally car competition. If they do manufacture it this way, that’s quite some passion and commitment for this car which will in the long-term be pretty special.

 

[Taroroot]

Actually how is the GRY manufactured? Its very different from a Yaris, and unibodies means you cant just plop a different body on a frame. I dont think they just take a stock Yaris body, chop off the rear and graft on a Corolla

 

[Veloist]

Actually how is the GRY manufactured? Its very different from a Yaris, and unibodies means you cant just plop a different body on a frame. I dont think they just take a stock Yaris body, chop off the rear and graft on a Corolla

There’s a lot of videos and articles about it. Worth a read/watch. Since GRY is a WRC car, the skeleton needs to be the same as the regular Yaris. There’s more welds and structural adhesives to piece and hold everything together for the GRY though.

It’s really intriguing because the way the developed the standard Yaris was by first making highly modified Yaris’s and reverse engineering it to have a solid base for both standard and GR Yaris.

So my curiosity stands…since additional welds and stronger structural adhesives are a given for WRC-spec car, would the GR Corolla receive the same treatment (+more) since it is not necessarily a WRC car?

 

[Jeonsa]

There’s a lot of videos and articles about it. Worth a read/watch. Since GRY is a WRC car, the skeleton needs to be the same as the regular Yaris. There’s more welds and structural adhesives to piece and hold everything together for the GRY though.

It’s really intriguing because the way the developed the standard Yaris was by first making highly modified Yaris’s and reverse engineering it to have a solid base for both standard and GR Yaris.

So my curiosity stands…since additional welds and stronger structural adhesives are a given for WRC-spec car, would the GR Corolla receive the same treatment (+more) since it is not necessarily a WRC car?

It’s not the same though it’s very similar to the RCF in a way where it was remade with certain structural parts/underpinnings . Only the front portion is similar to the standard Yaris. A Toyota employee talked about it on another forum.

 

[therra.voice]

q

 

[therra.voice]

q

 

[Jeonsa]

GRY is built on the Corolla chassis with different engine transmission and awd - that's why looks so different from regular Yaris from which only got the headlights tail lights and mirrors -hence the current price

No. Lol. It’s a Yaris front structure and a Corolla rear. They built the Yaris the same way they built the RCF like I stated before.

 

[therra.voice]

q

 

[therra.voice]

No. Lol. It’s a Yaris front structure and a Corolla rear. They built the Yaris the same way they built the RCF like I stated before.

A dude was saying that on YT and kind of made sense, don't quote me on it

 

[Jeonsa]

A dude was saying that on YT and kind of made sense, don't quote me on it

Yeah his information is off. Lol.

GR Yaris uses the TNGA GA-B (Yaris) front, GA-C (Corolla) rear. It still retains its XP210 chassis designation from the Yaris as well.

Corolla is a E210.

 

[Wynorrific]

There’s a lot of videos and articles about it. Worth a read/watch. Since GRY is a WRC car, the skeleton needs to be the same as the regular Yaris. There’s more welds and structural adhesives to piece and hold everything together for the GRY though.

It’s really intriguing because the way the developed the standard Yaris was by first making highly modified Yaris’s and reverse engineering it to have a solid base for both standard and GR Yaris.

So my curiosity stands…since additional welds and stronger structural adhesives are a given for WRC-spec car, would the GR Corolla receive the same treatment (+more) since it is not necessarily a WRC car?

The skeleton of the GRY doesn't need to be at all like the Yaris to be a WRC car, hell the skeletons are only similar in the front frame structure and the Yaris only shares lights, mirrors and the antenna with the GRY. The GRY was made because prior regulations were that the rally car had to be very similar to the road car. The GRY was made to get a better base car than the Yaris. The rally team wanted a lower roof, a lighter car, 3 doors, a wider car, a longer car. They could've made the GRY a completely different car than the Yaris by making it look different and called it the Celica and still be fine with WRC regs like Ford did with the Puma instead of the Fiesta. The XP210 Yaris has nothing to do with the WRC regs, it's purely about the GRY. Regs have also changed since then so the Rally1 cars are nothing like the road cars except in looks. In terms of the GRC, we'll have to see where they go with it. They could skimp out on stuff like that for cost saving but Akio likes appealing to the enthusiasts so we'll see

 

[Wynorrific]

Actually how is the GRY manufactured? Its very different from a Yaris, and unibodies means you cant just plop a different body on a frame. I dont think they just take a stock Yaris body, chop off the rear and graft on a Corolla

Here is a short video on it. They make it from scratch but the body/frame was designed as a mix of the front underpinnings of the TNGA-B global structure and the rear underpinnings of the GA-C global structure like Jeonsa said. Here is a 30 minute in-depth tour of the Motomachi plant that really shows the making process if you have the time.
I can't find any pictures of the GRY chassis but this is the GA-B chassis:

And the GA-C chassis:

You can see how the suspension setup in the rear is different and that was the key thing they wanted to add to the GRY since the GA-B chassis is setup for a torsion bar rear suspension