front and all-wheel drive applications. In long wheelbase format, Epsilon II supports US EPA Large Cars, allowing GM to replace the G and W platforms. The architecture was developed by Opel in Rüsselsheim, Germany. Many safety features and AWD fitment modifications were done by Saab. Current and announced vehicles built on Epsilon II: SWB 2008–2017 Opel Insignia, Vauxhall Insignia, Holden Insignia VXR, Buick Regal, Chevrolet Vectra (saloon, hatchback, estate) (SWB) 2012–2016 Chevrolet Malibu, Holden Malibu (SWB) SL LWB 2010–2016 Buick LaCrosse/Alpheon (SL LWB) 2010–2012 Saab 9-5 (SL LWB) 2012–present Roewe 950 (SL LWB) EL LWB 2012–2019 Cadillac XTS (EL LWB) 2014–2019 Chevrolet Impala (EL LWB) Concept vehicles built on Epsilon II: 2007 Buick Riviera 2007 Opel GTC Concept E2XX E2XX is a moderately updated version of Epsilon 2 platform, consistent with other platform revamps, such as the D2XX based on Delta II. The E2XX platform targets weight reductions and longer wheelbases. Vehicles Vehicle built on E2XX: 2016–present Chevrolet Malibu 2017–2022 Opel/Vauxhall Insignia, Buick Regal 2018–present (since 2020 China only), Holden Commodore (ZB) 2018–2020 2019–present Cadillac XT4 2021–present Buick Envision P2XX P2XX is the longer variant of the E2XX platform. Vehicle built on P2XX: Buick LaCrosse C1XX C1XX is the crossover variant of the E2XX platform, replacing the Theta Premium and Lambda platforms. Vehicles built on C1XX: Two-row mid-size: 2017–present Cadillac XT5 2019–present Chevrolet Blazer Three-row mid-size: 2017–present GMC Acadia 2018-2020 Holden Acadia 2020–present Buick Enclave (China) 2020–present Chevrolet Blazer (China) 2020–present Cadillac XT6 Full-size: 2018–present Buick Enclave 2018–present Chevrolet Traverse Footnotes References Epsilon