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As the electric truck market charges forward, two names stand out for drivers looking to compare capability: the GMC Sierra EV vs. Rivian R1T. The 2026 Sierra EV proves itself ready for this new era with greater tow ratings, a higher driving range, and a value-focused entry-level trim. This guide from Generation Auto Group goes over how these two EV powerhouses stack up in terms of prowess, range, design, and utility.
| 2026 GMC Sierra EV | 2026 Rivian R1T | |
|---|---|---|
| Standard Powertain | Dual-Motor e4WD | Dual-Motor AWD |
| Standard Horsepower | 605 | 533 |
| Torque | 605 lb-ft | 610 lb-ft |
| Drivetrain | 4WD | AWD |
| Max EPA-Est. Range | 478 mi1 | 420 mi3 |
| Max Towing Capacity | 12,500 lbs5 | 11,000 lbs6 |
| Seating | 5 | 5 |
| Headroom (front / rear) | 43.85 / 38.65 in | N / A |
| Legroom (front / rear) | 44.85 / 44.32 in | N / A |
| Length | 233.42 in | 217.1 in |
| Height | 78.05 - 79.93 in | 77.7 - 78.2 in |
| Width (w/o mirrors) | 83.8 in | 82 in |
| Box Length | 70.59 in | 54.1 in |
| Box Width | 65.35 in | 51.1 in |
| Wheelbase | 146 in | 135.8 in |
First things first in an electric truck comparison: How far will each model take you? The 2026 Rivian R1T boasts an EPA-estimated range of up to 420 miles3 on a full charge. The 2026 GMC Sierra EV, however, outpaces the R1T with an EPA-estimated range of up to 478 miles1 – giving you increased freedom, fewer stops, and greater confidence for every journey.
But that's just the beginning. The new GMC Sierra EV can add up to 116 miles of range in about 10 minutes using an 800V DC Fast Charger.2 By comparison, the Rivian R1T adds about 150 miles in 20 minutes,4 which works out to roughly 75 miles in 10 minutes,4 giving the Sierra EV a stronger advantage in charging speed.
Taking the GMC Sierra EV's range, combined with its faster charging, it clearly takes the crown in the 2026 GMC Sierra EV vs. Rivian R1T competition for long-distance highway driving.
Starting with the entry-level trims, the Sierra EV Elevation comes with a dual-motor e4WD powertrain that harnesses 605 horsepower and 605 pound-feet of torque. The Rivian R1T Dual Standard is fitted with a dual-motor AWD setup, producing 533 horsepower and 610 pound-feet of torque. Digging deeper, the R1T offers a higher output overall, but that boost comes with a significant price jump.
Overall, opting for GMC models in this case is a smarter choice for day-to-day power and functionality without breaking the bank.
Outside of capability numbers, the Rivian R1T positions itself as an adventure-focused pickup, built for enthusiasts eager to tackle backcountry terrain. That said, locals know better than anyone that the off-road community in Bohemia, NY, isn't very large. While there are a few spots in Long Island for this kind of activity, most residents benefit more from a reliable daily commuter and a sturdy work truck.
If off-road ability is still on your checklist, the Sierra EV AT4 trim provides plenty of it without the added cost of the R1T's trail-focused trims – striking the perfect blend between rugged performance, everyday practicality, and exceptional value.
The 2026 GMC Sierra EV embraces the future of all-electric driving while staying true to what drivers expect from a full-size pickup – real strength and versatility. When properly equipped, the Sierra EV supplies a max towing capacity of 12,500 pounds, while the Rivian R1T trails behind with a maximum of 11,000 pounds.6
Size and stance also play in the Sierra EV's favor. In most trims, this truck is longer, taller, and wider than the R1T, anchored by a broad wheelbase that delivers a confident, planted feel whether you're navigating city streets or dirt paths. When it's time to get to work, the Sierra EV gives the space to do it by providing a bed that measures 70.59 inches long and 65.35 inches wide, which outclasses the R1T's 54.1-inch by 51.1-inch cargo box.
Both these new vehicles seat up to five passengers, but the GMC Sierra EV once again pulls ahead when it comes to refinement and in-cabin technology. The Sierra EV has a larger 16.8-inch infotainment display compared to the R1T's smaller unit, along with a heated steering wheel and dual-zone automatic climate control – all designed to make the family commute or work day connected and comfortable.
The Rivian R1T does have sophisticated interior elements, but many of its top amenities are locked behind costly upgrades. When you start building your R1T, it won't take long to realize that many features you want quickly push the R1T's price upward, proving that the best balance of value and a premium feel is in the GMC.
Discover the future of driving at Generation Auto Group, where innovation meets muscle in our lineup of the latest EV pickup trucks. If the roar of a full gas-powered Sierra is calling your name, explore our curated collection of new and used GMC vehicles.
Both the Sierra EV and Rivian R1T are equipped for DC Fast Charging. When plugged into an 800V Level 3 charger, the Sierra EV can add 116 miles of range in about 10 minutes,2 while the Rivian R1T provides roughly 150 miles in 20 minutes4 – or about 75 miles in 10 minutes.4 In other words, the Sierra EV recharges faster, giving you more range in less time.
Step inside either truck, and you'll find an upscale interior, but the GMC Sierra EV stands out with a larger 16.8-inch infotainment screen (versus the R1T's 15.6-inch), a standard 14-inch Head-Up Display on AT4 and Denali trims, heated front seats and steering wheel, and wireless charging. While the Rivian R1T offers similar features, the Sierra EV delivers a refined, tech-forward cabin experience.
9/14/2024
I have never had a better dealership experience. I will be a lifetime customer and will refer Generation Buick GMC to anyone I know looking to purchase a new or used vehicle. The sales team treated me outstandingly, and I felt comfortable the entire process. They had great communication and followed through with all my requests (Ceramic Coating / Tonneau Cover). I searched dealerships within a 500-mile radius for this exact truck, and I'd encourage anyone within hundreds of miles of Generation Buick GMC to make the trip. I got the best trade-in offer as well as the best purchase price on my new Sierra. When driving off with my brand-new vehicle, I pulled out spotless with a smile! Thank you, Generation Buick/GMC!
1On a full charge based on development testing and/or analytical projection consistent with SAE J1634 revision 2017 – MCT. Range subject to change prior to production. Actual range may vary based on several factors, including ambient temperature, terrain, battery age and condition, loading, and how you use and maintain your vehicle.
2Actual charge times will vary based on battery starting state of charge, battery condition, output of charger, vehicle settings and battery temperature. See the Owner's Manuals for your vehicle and charger for additional details and limitations.
3Actual vehicle capability will depend on selected options and trim. Torque, horsepower and acceleration timing estimates vary based on battery, tire, drive modes, vehicle load and weather. All range estimates are based on a configuration with 22" road wheels and tires. Official EPA values are noted — some range estimates are preliminary estimates based on the EPA test cycle and are not official EPA values. The EPA estimates range through a series of standardized lab tests that mimic real world conditions. Factors including tires, drive modes, HVAC settings and accessories can all have an impact on range.
4Charging times may vary and are influenced by several factors, including but not limited to outdoor temperature, battery temperature, charging equipment, battery condition, and the overall condition of the vehicle. For precise information on charging times for a specific vehicle model, please contact our dealership.
5GM-estimated. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner's Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.
6When properly equipped. Actual vehicle capability will depend on selected options and trim.
