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GM BT1 Vehicle Platform
The BT1 platform, otherwise known as BT1, is a GM vehicle platform designed for electric pickup trucks and SUVs. It underpins pickup trucks and SUVs from three GM brands, including Chevrolet, Cadillac, and GMC, including GMC-branded Hummer models.
| Names: | GM BT1 platform, BT1, BT1XX |
| Predecessor: | none |
| Successor: | currently none |
| Type: | Ultibody (body on battery) |
| Supported vehicle type: | Large pickup truck, large SUV |
| Layout: | Skateboard style |
| Powertrain type: | battery electric, single, dual or triple motor |
| Debut date: | 2020 calendar year |
| On sale date: | 2021 calendar year as 2022 model year |
| Vehicles | |
| Chevrolet: | Silverado EV, Tahoe EV, Suburban EV |
| GMC: | Hummer EV Pickup, Hummer EV SUV, Sierra EV |
| Cadillac: | Escalade IQ, Escalade IQ L |
| Buick: | none |
Overview
General Motors developed the T1 architecture from the ground up to accommodate battery electric vehicles. Placing the battery packs at the floor, BT1 is a mix of unibody and “body on battery” platform that GM internally refers to as UltiBody.
Powertrain
BT1 supports various GM Ultium batteries and GM Ultium motors ranging from a dual motor configuration to a triple-motor setup making 1,000 horsepower.
Vehicle Applications
Current and anticipated applications of the BT1 platform include:
Chevrolet
- Chevrolet Silverado EV
- Chevrolet Tahoe EV
- Chevrolet Suburban EV
GMC
- GMC Hummer EV Pickup
- GMC Hummer EV SUV
- GMC Sierra EV
- GMC Yukon EV
- GMC Yukon XL EV
Cadillac
- Cadillac Escalade IQ (Escalade EV)
- Cadillac Escalade IQ L (Escalade ESV EV)
Buick
- None
Production
GM vehicles based on the BT1 platform are or will be assembled at the following GM plants:
- GM Detroit-Hamtramck plant, which was rebranded as Factory Zero in conjunction with the EV push
- GM Lake Orion plant, which will assist Factory Zero in producing BT1 vehicles once the Bolt EV and Bolt EUV are discontinued at this facility
Relationship To T1
Contrary to its name, the BT1 architecture is not a variant of the GM T1 platform that underpins internal combustion engine vehicles such as:
- 2019 and newer Chevrolet Silverado
- 2019 and newer GMC Sierra
- 2021 and newer Chevrolet Tahoe
- 2021 and newer Chevrolet Suburban
- 2021 and newer GMC Yukon / Yukon XL
- 2021 and newer Cadillac Escalade
Instead, BT1 shares no parts with the T1 architecture.
