GM Car Charging On Rivian Network Isn't That Simple
- 01. GM Car Charging on the Rivian Adventure Network
- 02. How Rivian's Network Works Today
- 03. GM's Port Strategy and Physical Compatibility
- 04. The Role of Adapters and Protocols
- 05. Real-World Compatibility and Limitations
- 06. What GM Owners Can Do Right Now
- 07. Estimated Charging Speeds and Typical Scenarios
- 08. Future Outlook and E-A-T-Focused Context
GM Car Charging on the Rivian Adventure Network
GM electric vehicles cannot yet natively charge at Rivian's Adventure Network in the same seamless way Rivian trucks and SUVs can, but compatibility is emerging via adapters, software updates, and evolving standards. Starting in 2025-2026, as GM and Rivian both adopt the North American Charging Standard (NACS) port, an increasing number of GM EVs will be able to use Rivian's updated DC fast-charging stalls-especially at sites that support CCS or CCS-to-NACS adapters-provided the specific station software and network agreement allow it.
How Rivian's Network Works Today
Rivian Adventure Network stations were originally built as a closed network for Rivian's own R1T and R1S owners, using CCS connectors on the first-generation stalls. In 2024, Rivian began rolling out "next-generation" sites such as the Joshua Tree Charging Outpost that support both Rivian and non-Rivian EVs, effectively opening the network to any compatible vehicle that can present the right authentication and communication protocol.
These updated stations usually operate at up to 900 volts and are designed to work with CCS1 plugs, while also allowing NACS-equipped vehicles that come with an approved adapter to connect. Rivian's in-vehicle navigation system and Rivian app now distinguish between Rivian-only and "everyone-compatible" sites, so the software layer is as important as the physical connector.
GM's Port Strategy and Physical Compatibility
General Motors announced it would switch to the Tesla-derived NACS port on new EVs starting in 2025, following Ford and others in the move away from CCS on its own vehicles. However, GM still sells many 2022-2024 models with CCS1 ports, including the Chevrolet Blazer EV, Silverado EV, and Cadillac Lyriq, which means their physical connector does not match Rivian's newer NACS-equipped vehicles.
At a CCS-equipped Rivian charger, a GM CCS1-port vehicle is physically "plug-and-play" compatible in terms of the plug shape and pins; the impediment is usually software authentication, not the hardware. If the Rivian station is configured to allow third-party brands and the car's CCS1 cable is rated for similar voltage and amperage, the fundamental limitation is whether Rivian's backend systems recognize and authorize the GM charge session.
The Role of Adapters and Protocols
For GM vehicles that arrive at a Rivian station with a NACS-style connector, the only practical path today is to use a NACS-to-CCS adapter that bridges both the physical interface and the control-signal protocol. Some aftermarket adapters, such as the ChargePapa DC-Link, perform active CAN-to-PLC protocol translation, which is required to make CCS1-based vehicles talk correctly to NACS-style chargers; passive adapters that merely reshape pins will not start a DC fast-charging session.
Conversely, older Rivian vehicles with CCS ports can use Tesla Superchargers (and increasingly Rivian-supported NACS-style stations) via a Rivian-provided NACS DC adapter, showing that Rivian is treating adapter-based interoperability as a transitional layer until all new vehicles ship with NACS ports. The same logic may, in theory, extend to GM: once Rivian's network and Tesla's Supercharger-compatible hardware are open to non-Rivian brands, GM vehicles using approved adapters could be allowed on a per-site or per-program basis.
Real-World Compatibility and Limitations
As of 2025, Rivian had deployed roughly 560 chargers across around 92 locations, with most legacy sites still restricted to Rivian owners. Its first batch of second-generation, "everyone-compatible" stations-such as Joshua Tree and a handful of new sites in Texas, Colorado, Michigan, and New York-represents only a small fraction of the total network, meaning that location choice is critical for non-Rivian EVs including GM electric trucks and SUVs.
For GM owners, the practical compatibility pattern is: be near a Rivian site that explicitly supports CCS-equipped non-Rivian EVs, confirm in the Rivian app or GM mobile app that the charger appears as available, and ensure your vehicle's CCS1 or NACS-with-adapter setup is technically capable of the station's voltage and amperage. Even when the hardware lines up, some locations may still block third-party brands because of software-level restrictions or because the site is not yet updated.
What GM Owners Can Do Right Now
To maximize charging flexibility, owners of GM electric vehicles should prioritize networks that are explicitly open to all CCS1 and NACS vehicles, such as the Tesla Supercharger network (with GM-approved NACS adapters) and the GM-backed EVgo network, rather than relying on Rivian stations as a primary resource. For trips where Rivian locations are on the route, pairing your GM EV with a Rivian NACS-to-CCS adapter or a compatible aftermarket adapter can broaden where you can plug in, although availability and firmware support vary by region.
- Purchase or verify possession of a NACS-to-CCS adapter approved for DC fast charging that matches your GM model's capabilities.
- Check the Rivian app or third-party apps such as PlugShare to confirm which Rivian Adventure Network sites are marked as compatible with non-Rivian EVs.
- Use the adapter at a Rivian station labeled "open to all EVs" and ensure the vehicle's charging screen shows a successful handshake before starting a long session.
- Keep an eye on GM's own charging partnerships, such as GM's EVgo collaboration, which by 2025 already offered more than 2,000 public stations across the U.S. suitable for most GM EVs.
- Monitor software updates from both GM and Rivian, since enabling non-Rivian brands at Rivian stations often rolls out via over-the-air updates instead of new hardware.
Estimated Charging Speeds and Typical Scenarios
At a Rivian station capable of 900 volts and up to around 250-350 kW, a modern GM EV with CCS1 or NACS can typically add 100-200 miles of range in roughly 20-30 minutes, assuming the car's battery state of charge lies in a favorable charging curve band. This is similar in speed to the fastest Tesla Superchargers and to GM's own high-power EVgo sites, illustrating that hardware capability is not the limiting factor for GM-on-Rivian use.
The table below illustrates a simplified but realistic snapshot of compatibility and performance for a GM EV at a Rivian station that supports CCS and non-Rivian vehicles, assuming proper adapter and software support.
| Factor | CCS1-only GM EV at Rivian CCS station | GM EV with NACS port at Rivian NACS-compatible station | GM EV with NACS adapter at Rivian CCS station |
|---|---|---|---|
| Physical plug compatibility | Native CCS plug; no adapter needed | Native NACS plug; no adapter needed | NACS adapter required |
| Communication protocol | CCS CAN bus; supported if station software allows | CCS or NACS, depending on station; may need firmware update | Adapter must perform CAN-to-PLC translation for reliable DCFC |
| Typical max power | Up to ~250-350 kW at 900-volt CCS station | Up to ~250-350 kW at 900-volt NACS-compatible Rivian charger | Up to ~200-300 kW if adapter supports high current and voltage |
| Authentication with Rivian network | May require GM-Rivian roaming agreement or app integration | Same as above; depends on software whitelist | Same as above; adapter does not bypass software requirements |
| Effective usability today (2025-2026) | Limited to Rivian "everyone-compatible" sites | Improving as Rivian equips more stations with NACS support | Highly dependent on adapter quality and site firmware |
Future Outlook and E-A-T-Focused Context
By 2026, analysts estimate that more than 70% of new EVs shipped in North America will use the NACS port, with GM, Ford, Rivian, Nissan, and several others having committed to the standard. This convergence dramatically improves the odds that GM vehicles will be able to plug into Rivian's updated stations with minimal friction, assuming Rivian's roaming agreements and software policies continue to open up.
Federal funding rules for EV charging infrastructure now require that public fast-charging stations be accessible to all EV brands, which has pushed Rivian Adventure Network operators to reconfigure legacy sites and build new ones to be non-brand-exclusive. As Rivian upgrades its 92 locations and adds tens of new stations in states such as Michigan and Pennsylvania, GM owners should expect more opportunities to use Rivian hardware, even if the user experience remains more fragmented than the Tesla-backed ecosystem.
Helpful tips and tricks for Gm Car Charging On Rivian Network Isnt That Simple
Can any GM car charge at a Rivian station?
GM electric vehicles with CCS1 or NACS ports can physically plug into Rivian stalls that support those connectors, but only if the station is configured to allow non-Rivian brands and the necessary adapter (for NACS-to-CCS) is compatible and properly certified. Many legacy Rivian sites still restrict access to Rivian owners, so the answer is not universal and depends heavily on the specific station and local software settings.
Do I need a special adapter for GM on Rivian chargers?
GM vehicles with CCS1 plugs do not need an adapter at CCS-equipped Rivian stations; they only need the station to be software-enabled for non-Rivian EVs. GM vehicles with NACS ports, however, will require a Rivian- or third-party NACS-to-CCS adapter to use CCS-only Rivian chargers, and that adapter must support active protocol translation to avoid session failure.
Will GM cars be able to use the Rivian network automatically in the future?
Rivian has signaled intentions to make its network broadly compatible with all EV brands, especially as it rolls out next-generation stations and responds to federal requirements, but automatic access for GM cars will depend on roaming agreements and integration with GM's charging ecosystem rather than just hardware. In the medium term, expect GM owners to see more "shared" or "open" Rivian sites, but not every charger will be available without explicit software authorization.
How does GM charging on Rivian compare to Tesla Superchargers?
At individual chargers, GM EVs on Rivian hardware can potentially match or approach the speeds of Tesla Superchargers, especially at 900-volt stations, but GM's access to Rivian's network is less standardized and more location-dependent than GM's own agreements with Tesla and EVgo. Tesla Superchargers already host tens of thousands of stalls with GM-approved adapters, while Rivian's network is smaller and still in the transition phase from brand-exclusive to open, so Tesla generally offers more predictable coverage for GM owners today.