General Motors has announced that every 2027 model-year electric vehicle from Chevrolet, Cadillac, and GMC will come equipped with a native North American Charging Standard (NACS) port. This move will allow drivers to plug directly into compatible Tesla Superchargers and other NACS fast chargers, marking a significant shift in charging accessibility for GM’s EV lineup.
2027 GM EVs to Feature Standard NACS Ports
Starting with the 2027 model year, all GM electric vehicles across Chevrolet, Cadillac, and GMC brands will include a native NACS port, also known as SAE J3400. This update means drivers can connect directly to Tesla Superchargers and other NACS-compatible fast chargers without needing an adapter.
The 2026 Cadillac Optiq has already adopted the NACS port, and the upcoming Chevrolet Bolt, set to arrive in 2026 as a 2027 model, will also feature the new charging standard.
Which Models Are Included?
For the 2027 model year, NACS will come standard on the following GM EVs: Cadillac Escalade IQ, Cadillac Escalade IQL, Cadillac Lyriq, Cadillac Optiq, Cadillac Vistiq, Chevrolet Bolt EV, Chevrolet Blazer EV, Chevrolet Equinox EV, Chevrolet Silverado EV, GMC Hummer EV Pickup, GMC Hummer EV SUV, and GMC Sierra EV.
This covers every electric vehicle GM currently sells or has confirmed for the 2027 model year.
Charging Options for 2026 GM EVs
Most 2026 GM EVs, apart from the Optiq, are still equipped with a CCS1 port. Owners of these vehicles will need GM’s NACS DC adapter to access compatible Tesla Superchargers and other NACS fast chargers.
The 2026 Blazer EV, Equinox EV, Silverado EV, Lyriq, Vistiq, Escalade IQ and IQL, Sierra EV, and both Hummer EV models all require this adapter for NACS charging.
Adapter Pricing and Compatibility
GM currently sells its approved NACS DC adapter for $275 (~AUD 390). This adapter works with more than 27,500 Tesla Superchargers, though some locations remain exclusive to Tesla vehicles.
For 2027 GM EVs, drivers will need a separate adapter to use fast chargers with CCS1 ports, as well as a J1772 adapter for most existing Level 2 chargers, including many home charging units. The CCS1 DC adapter is priced at $189 (~AUD 268), the J1772 adapter at $67 (~AUD 95), or both can be purchased together for $256 (~AUD 363).
Energy Pass: Simplifying Charging Network Access
GM’s Energy Pass is integrated into the MyChevrolet, MyCadillac, and MyGMC apps, allowing drivers to register and pay across multiple charging networks. Currently, Tesla Supercharger, IONNA, Electrify America, and ChargePoint are supported, with EVgo support coming soon.
According to GM, these networks together account for nearly 70% of US DC fast chargers. Energy Pass also supports Plug & Charge at compatible stations, enabling vehicles to handle authentication and payment automatically. This feature is already live at IONNA and is being expanded to other networks, including Tesla Superchargers.
Why this matters
GM’s decision to equip all 2027 EVs with native NACS ports will make it easier for owners to access Tesla Superchargers and other NACS fast chargers without relying on adapters. This change is likely to improve the charging experience for GM EV drivers and aligns with broader industry trends toward standardizing charging hardware.
The integration of Energy Pass across major charging networks further streamlines the process, offering drivers more flexibility and convenience when charging on the go.
What this means for buyers
Buyers considering a GM electric vehicle should be aware that 2027 models will offer direct access to Tesla Superchargers and other NACS fast chargers, while most 2026 models will still require an adapter. Keeping CCS1 and J1772 adapters on hand will remain useful for accessing a wider range of charging stations.
Prospective GM EV owners may want to factor in these charging options when deciding between a 2026 or 2027 model.
Key Specs
- NACS Port Standard: Standard on all 2027 GM EVs
- Supported Models (2027): Cadillac Escalade IQ, Escalade IQL, Lyriq, Optiq, Vistiq; Chevrolet Bolt EV, Blazer EV, Equinox EV, Silverado EV; GMC Hummer EV Pickup, Hummer EV SUV, Sierra EV
- NACS DC Adapter Price: $275 (~AUD 390)
- CCS1 DC Adapter Price: $189 (~AUD 268)
- J1772 Adapter Price: $67 (~AUD 95)
- Combined Adapter Package: $256 (~AUD 363)
- Tesla Superchargers Supported: Over 27,500 locations (some Tesla-only)
- Energy Pass Coverage: Nearly 70% of US DC fast chargers
Source
Images sourced from: electrek.co, greencars.com
