Engineering:General Motors BEV3 platform

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GM BEV3 platform
Cadillac Lyriq In Guangzhou Auto Show 2021 (cropped).jpg
Cadillac Lyriq, the first vehicle based on the BEV3 platform
Overview
ManufacturerGeneral Motors
Production2022–present
Body and chassis
Layout
  • Front-motor, front-wheel-drive
  • Rear-motor, rear-wheel-drive
  • Dual-motor, all-wheel-drive
RelatedGM BT1
Chronology
PredecessorGM BEV2

The GM BEV3 platform is a dedicated electric vehicle architecture or platform developed by General Motors. It is the third-generation electric vehicle platform by GM, succeeding the BEV2 platform.[1] It is categorized as a skateboard platform.[2]

History

Honda announced it would partner with General Motors to develop "next-generation" batteries in 2018.[3] The BEV3 architecture was first announced by GM in January 2019,[4] with Cadillac announced as the lead marque,[5] and BEV3 was officially detailed on March 4, 2020, during the GM EV Day briefing in Warren, Michigan, and supports Ultium batteries and Ultium Drive motors.[6]

In 2021, Honda announced it would release two SUVs in 2024 under the Honda and Acura marques, developed in partnership with GM;[7] it was clarified in 2022 the new Honda SUVs would be built alongside GM SUVs, using Ultium batteries and GM's electric vehicle platform.[8]

Design

The BEV3 platform is designed to support unibody passenger cars and crossover utility vehicles, while body-on-frame trucks and SUVs will be based on the General Motors BT1 platform.[9] BEV3 supports front-, rear-, and all-wheel drive configurations[5][10] using one or more Ultium Drive units, each of which combines the electric traction motor, reduction gear, and power electronics.[11]

GM claim that BEV3 will offer a larger footprint with lower height, greater energy density, and faster charging rate compared to BEV2. The modular design will allow from six to twenty-four battery modules under the floor, depending on energy storage requirements.[12] Premium vehicles that use the BEV3 platform have the option of a 4–6 in (100–150 mm) larger "dash-to-axle" ratio,[lower-alpha 1] resulting in a longer hood that is intended to recall the classic proportions of personal luxury cars designed by Bill Mitchell for GM.[14]

Applications

Current models

  • Buick Electra E4

  • Buick Electra E5

  • Cadillac Lyriq

  • Chevrolet Blazer EV

Future models

See also

References

Notes
  1. ↑ Dash-to-axle is defined as the distance between the cowl and the centerline of the front axle. The dash-to-axle ratio concept first received broad attention when Edsel Ford was directing the design of the Lincoln Continental in the late 1930s. Typically, a longer dash-to-axle ratio results in a long hood, with consonant implications of a more powerful engine and rear-wheel-drive layout.[13]
Sources
  1. ↑ "GM's third-gen EV platform and Ultium batteries promise 400-plus miles of range" (in en). https://www.motorauthority.com/news/1127337_gm-s-third-gen-ev-platform-and-ultium-batteries-promise-400-plus-miles-of-range. 
  2. ↑ "GM executive: Electric pickup will be built on EV-specific platform" (in en). https://www.greencarreports.com/news/1123480_gm-executive-electric-pickup-will-be-built-on-ev-specific-platform. 
  3. ↑ Holmes, Jake (June 7, 2018). "Honda, GM partner on next-gen electric-car battery development". Road/Show (CNet). https://www.cnet.com/roadshow/news/honda-gm-battery-development-partnership/. 
  4. ↑ Panait, Mircea (2019-01-11). "General Motors Announces BEV3 Platform For FWD, RWD, AWD Electric Vehicles" (in en). https://www.autoevolution.com/news/general-motors-announces-bev3-platform-for-fwd-rwd-awd-electric-vehicles-131564.html. 
  5. ↑ 5.0 5.1 "GM: Cadillac to be lead EV brand; new global BEV3 architecture". Green Car Congress. 12 January 2019. https://www.greencarcongress.com/2019/01/20190112-gmbev3.html. 
  6. ↑ "New BEV3 GM EV Platform Unveiled". 2020-03-04. https://gmauthority.com/blog/2020/03/new-bev3-gm-ev-platform-unveiled/. 
  7. ↑ Krok, Andrew (June 28, 2021). "Honda Prologue electric SUV kicks off major EV push". Road/Show (CNet). https://www.cnet.com/roadshow/news/honda-prologue-electric-suv-announcement/. 
  8. ↑ 8.0 8.1 Goodwin, Antuan (May 18, 2022). "Honda Teases GM Ultium-Based Prologue Electric SUV in Sketch". Road/Show (CNet). https://www.cnet.com/roadshow/news/honda-prologue-electric-suv-preview/. 
  9. ↑ 9.0 9.1 9.2 "GM BEV3 Vehicle Platform". 2020-08-02. https://gmauthority.com/blog/gm/gm-platforms/bev3/. 
  10. ↑ Niebuhr, Kurt (July 18, 2022). "2024 Chevrolet Blazer EV Is One of the Only Vehicles in History With Available Front- and Rear-Wheel Drive". Edmunds. https://www.edmunds.com/car-news/2024-chevrolet-blazer-ev-is-the-first-vehicle-in-history-with-available-front-and-rear-wheel-drive.html. 
  11. ↑ Hyatt, Kyle (September 23, 2021). "GM debuts its Ultium Drive electric motors". Road/Show (CNet). https://www.cnet.com/roadshow/news/gm-ultium-drive-electric-motor-debut/. 
  12. ↑ Halvorson, Bengt (February 6, 2020). "GM teases new electric-truck details, boasts about battery flexibility". Green Car Reports. https://www.greencarreports.com/news/1127008_gm-teases-new-electric-truck-details-boasts-about-battery-flexibility. 
  13. ↑ Mehta, Sajeev (October 15, 2019). "Vellum Venom: Dash-to-Axle, Defined". The Truth About Cars. https://www.thetruthaboutcars.com/2017/11/vellum-venom-dash-axle-defined/. 
  14. ↑ Lefferts, Jim (January 1, 2023). "How Cadillac Championed A Longer Dash-To-Axle Ratio For GM BEV3 Platform". GM Authority. https://gmauthority.com/blog/2023/01/how-cadillac-rallied-for-a-longer-dash-to-axle-ratio-for-gm-bev3-platform/. 
  15. ↑ Centeno, Deivis (June 12, 2023). "Here Is The All-New Buick Electra E4 Crossover Coupe". GM Authority. https://gmauthority.com/blog/2023/06/here-is-the-all-new-buick-electra-e4-crossover-coupe/. 
  16. ↑ Mihalascu, Dan (December 19, 2022). "Buick Debuts Electra E5 SUV In China As Its First Ultium-Based EV". Inside EVs. https://insideevs.com/news/627346/buick-debuts-electra-e5-suv-china-its-first-ultium-based-ev/. 
  17. ↑ Doll, Scooter (2022-01-20). "GM is actually making EVs: Pre-production Cadillac Lyriq rolls off assembly line, deliveries to follow" (in en-US). https://electrek.co/2022/01/20/gm-is-actually-making-evs-pre-production-cadillac-lyriq-rolls-off-assembly-line-deliveries-to-follow/. 
  18. ↑ Bell, Lucas (July 19, 2022). "The Chevy Blazer EV Takes Ultium Mainstream With 320 Mile Range at $47,595". Road & Track. https://www.roadandtrack.com/news/a40644172/2024-chevy-blazer-ev/. 
  19. ↑ Opletal, Jiri (14 July 2023). "Cadillac Optiq SUV is a new EV only for China". https://carnewschina.com/2023/07/14/cadillac-optiq-suv-is-a-new-ev-only-for-china/. Retrieved 14 July 2023. 
  20. ↑ White, Emmet (September 8, 2022). "Chevrolet's Equinox Goes Electric for 2024". Autoweek. https://www.autoweek.com/news/future-cars/a41104470/2024-chevrolet-equinox-goes-electric/. 
  21. ↑ Capparella, Joey (July 27, 2022). "2024 Honda Prologue EV SUV Shows Its GM Roots". Car and Driver. https://www.caranddriver.com/news/a40731264/2024-honda-prologue-ev-suv-spied/. 
  22. ↑ Ewing, Steven (August 18, 2022). "2024 Acura ZDX Will Be the Brand's First EV". Road/Show (CNet). https://www.cnet.com/roadshow/news/2024-acura-zdx-type-s-confirmed/. "When it goes on sale in 2024, the ZDX will ride on the same electric vehicle architecture as the upcoming Honda Prologue, which is being co-developed with General Motors. The ZDX will use GM's Ultium battery technology and should slot between the RDX and MDX crossovers in terms of size." 
  23. ↑ Whalen, Jeanne (25 July 2023). "Chevy Bolt EV is returning to market, months after GM scrapped it". Washington Post. https://www.washingtonpost.com/business/2023/07/25/chevy-bolt-ev/. 



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