2027 GMC Sierra vs 2027 Rivian R1T
The Rivian R1T wins clearly, 89 to 82.8, on safety, performance, fuel & range. The GMC Sierra is ahead on price.
2027 GMC Sierra
The 2027 GMC Sierra is sold in the U.S. as an electric, gas and diesel large pickup truck with 10 EPA-rated configurations. Its longest-range version, the Sierr…
2027 Rivian R1T
The 2027 Rivian R1T is sold in the U.S. as an electric large pickup truck with 12 EPA-rated configurations. Its longest-range version, the R1T Premium Long Rang…
2027 Rivian R1T
Clear winThe Rivian R1T wins clearly, 89 to 82.8, on safety, performance, fuel & range. The GMC Sierra is ahead on price.
| Category · weight | 2027 Rivian R1Toverall 89 | 2027 GMC Sierraoverall 82.8 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pricew 4 | 64.1 | 100 | ||||||||||||
Base MSRP of the trim (or the model's lowest trim). Lower is better. | ||||||||||||||
| Fuel & rangew 3 | 100 | 79.5 | ||||||||||||
EPA annual fuel cost and combined mpg / MPGe; EV range when both are electric. | ||||||||||||||
| Safetyw 4 | 100 | 75 | ||||||||||||
NHTSA 5-Star rating, WhichTrim Safety Signal (open recalls by severity), owner complaints, standard driver-assist features (from the press kit, or from what the manufacturer filed with NHTSA where there is none). Open park-outside / do-not-drive advisories cost 25 points. | ||||||||||||||
| Space & cargonot compared | No data | No data | ||||||||||||
| Performancew 2 | 100 | 68.7 | ||||||||||||
Horsepower, torque and horsepower per ton. | ||||||||||||||
| Tech & comfortnot compared | No data | No data | ||||||||||||
| Warrantynot compared | No data | No data | ||||||||||||
| Overall | 89 | 82.8 | ||||||||||||
Trim vs trim · 4 of 7 categories compared
Rivian R1T: base trim R1T Premium (Dual-Motor) AWD · GMC Sierra: base trim Pro 2WD. Pick a trim in the tool to compare any other trim.
Where the gap is
the biggest differences, from the scorecard's own numbersWhere the 2027 Rivian R1T wins
- It lists 19 standard driver-assist features against 0.
- It costs $300 a year less to fuel on the EPA's estimate ($850 against $1,150).
- It is rated 87 combined against 66 (EPA mpg or MPGe).
Where the 2027 GMC Sierra answers
- It starts $28,695 lower ($51,295 against $79,990 base MSRP).
What they share
- A Safety Signal of 100.
Ranked by how far apart the two score on each measure, so a price gap and a horsepower gap are compared on the same scale. Every figure is on this page.
Specifications side by side
35 specs · manufacturer press kits| Spec | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| Pricing | ||
| Base MSRP (excludes destination) | $79,990 | $51,295 |
| Engine Basics | ||
| Aspiration | — | twin turbo |
| Cylinder count | — | 4 |
| Engine displacement | — | 2,700 cc |
| Engine type (full description) | Dual-Motor AWD (1 in front, 1 in back) | 2.7L TurboMax |
| Fuel injection system | — | gdi mpi |
| Valve configuration | — | DOHC |
| Engine Output | ||
| Horsepower | 533 hp | 350 hp |
| Torque | 610 lb-ft | 455 lb-ft |
| Fuel Economy | ||
| MPG (combined) | 85 mpg | — |
| Transmission | ||
| Final drive ratio | — | 3.42 |
| Transmission speeds | — | 10 |
| Transmission type | Dual-Motor AWD | automatic |
| Dimensions Exterior | ||
| Ground clearance | 14.6 in | — |
| Overall height | 78.2 in | — |
| Overall length | 217 in | — |
| Overall width | 88.4 in | — |
| Wheelbase | 136 in | — |
| Cargo | ||
| Total interior volume | 59.9 cu-ft | — |
| Seating | ||
| Passenger seating capacity | 5 | — |
| Weights | ||
| Payload capacity | 2,116 lbs | — |
| Suspension | ||
| Front suspension type | Independent air suspension | Independent coil over shock with twin tube shock absorbers including frequency dependent damping |
| Rear suspension type | Independent air suspension | Solid Axle Hotchkiss with two stage 1+1 steel leaf springs or progressive rate composite mono-leaf springs; splayed twin tube shock absorbers including frequency dependent damping |
| Steering | ||
| Steering type | — | Electric power-assisted rack and pinion |
| Brakes | ||
| Front brake diameter | — | 343 mm |
| Front brake type | — | 4 x 51mm fixed cast iron |
| Parking brake type | — | Electric |
| Rear brake diameter | — | 345 mm |
| Rear brake type | — | 1 x 51mm sliding cast iron with integrated electric park brake |
| Wheels | ||
| Wheel diameter | 20 in | 17 in |
| Wheel material | — | steel |
| Wheel width | — | 8 in |
| Tires | ||
| Tire size | — | 255/70R17 all-season |
| Fuel System | ||
| Fuel tank capacity | — | 28 gal |
| Connected Services | ||
| Connected services brand | Connect+ | — |
Green marks the better value where the direction is unambiguous (more room, more power, lower price). Blank rows are specs the press kit does not publish.
Equipment, feature by feature
111 features · differences first, then sharedSafety19 differ · 19 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| Forward Collision Warning | std | — |
| Rear Cross-Traffic Warning | std | — |
| Lane Departure Warning | std | — |
| Lane Keeping Assist | std | — |
| 12 ultrasonic surround sensors | std | — |
| 12-camera surround view system | std | — |
| 360 View | std | — |
| 6 front-row and 2 side-curtain airbags | std | — |
| Adaptive Cruise Control | std | — |
| Automatic Emergency Braking | std | — |
| Automatic High Beams | std | — |
| Autonomy+ (60-day trial included) | std | — |
| Blind Spot Monitoring | std | — |
| Brake hold | std | — |
| Dynamic Brake Support | std | — |
| Electronic stability and traction control | std | — |
| Gear Guard Security System | std | — |
| Highway Assist | std | — |
| Tire pressure monitoring system | std | — |
Infotainment13 differ · 13 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| SOS emergency response | std | — |
| Wireless charging for up to 2 phones | std | — |
| 12.3" driver display screen | std | — |
| 15.6" infotainment screen | std | — |
| 6 (USB-C charging ports) | std | — |
| 6.8" digital rear screen | std | — |
| Connect+ (60-day trial included) | std | — |
| Hands-free Bluetooth interface | std | — |
| Rivian navigation | std | — |
| Rivian Premium Audio (Available in Sound + Vision Package) / Rivian Premium Audio (Included) / Rivian Premium Audio (Included) | opt | — |
| Sound + Vision Package (Optional) / Sound + Vision Package (Included) / Sound + Vision Package (Included) | opt | — |
| Voice assistance | std | — |
| Wireless Over-the-Air (OTA) software updates | std | — |
Convenience5 differ · 5 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| 4 (120V three-prong outlets) | std | — |
| E-latch door release | std | — |
| Garage door opener | std | — |
| Ignition-free drive | std | — |
| Power front trunk release | std | — |
Climate2 differ · 2 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| Dual zone automatic climate control | std | — |
| Pre-entry climate control | std | — |
Seating4 differ · 4 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| Heated and ventilated front seats with memory | std | — |
| Heated and ventilated front seats with memory | std | — |
| 5 seats (Capacity) | std | — |
| 8-way power driver and passenger lumbar adjustment with memory settings | std | — |
Interior7 differ · 7 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| Heated steering wheel | std | — |
| Power tilt and telescoping steering column | std | — |
| Illuminated door sills | std | — |
| Integrated door flashlight | std | — |
| Interior: Black Mountain; Ocean Coast (Premium) / Black Mountain Signature; Slate Sky Signature (Performance, Quad) | std | — |
| Knitted textile headliner / Soft-touch sueded textile headliner | std | — |
| LED ambient lighting | std | — |
Exterior25 differ · 25 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| 135.8 in (Wheelbase) | std | — |
| 20" All-Terrain Wheels, Full-sized Spare Tire, Reinforced Underbody Shield; 20" All-Terrain Dark (All-Terrain Package) | opt | — |
| 217.1 in (Length) | std | — |
| 72.7 in (Min height) | std | — |
| 78.2 in (Max height) | std | — |
| 82.0 in (Width (with mirrors folded)) | std | — |
| 88.4 in (Width (with mirrors)) | std | — |
| Darkout Package | opt | — |
| Gooseneck extendable tailgate | std | — |
| Heated auto-folding side mirrors | std | — |
| LED brake and taillights | std | — |
| LED entry lights | std | — |
| LED front light bar with RGB design | std | — |
| LED rear lightbar | std | — |
| LED stadium headlights | std | — |
| Lightbar charging indicator | std | — |
| Lockable full-sized spare tire storage | std | — |
| Paint options: Esker Silver; Glacier White; Forest Green; Half Moon Grey; Rivian Blue; Midnight (Premium) / + Storm Blue; Canyon Red (Performance, Quad) | std | — |
| Panoramic glass roof / Dynamic Glass Roof | std | — |
| Powered Tonneau Cover (Included) | std | — |
| Rain-detecting variable intermittent wipers | std | — |
| Rear fog lights | std | — |
| Reinforced Underbody Shield (Available in All-Terrain Package) / Reinforced Underbody Shield (Available in All-Terrain Package) / Reinforced Underbody Shield (Included) | opt | — |
| Tire mobility kit | std | — |
| Wheels and tires: 20" Adventure All-Season; 22" Sport Dark; 22" Range; 20" All-Terrain Dark (Premium, Performance) / 22" Super Sport; 20" Dune Satin Graphite All-Terrain; 22" Sport Burnished Bronze (Quad) | std | — |
Powertrain17 differ · 17 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| 10-Speed Automatic Transmission | — | std |
| 2.7L TurboMax Engine (350 hp / 455 lb.-ft.) | — | std |
| 325 g CO2e/mi (Life cycle carbon footprint) / 366 g CO2e/mi / 365 g CO2e/mi | std | — |
| 329 mi (EPA est.) (Large battery) / 371 mi (EPA est.) (Max battery) / 374 mi (EPA est.) (Max battery) | std | — |
| 4.5 sec (0–60 mph) / 2.9 sec (0–60 mph) / 2.5 sec (0–60 mph) | std | — |
| 533 hp (Horsepower) / 850 hp (Horsepower) / 1,025 hp (Horsepower) | std | — |
| 610 lb-ft (Torque) / 1,103 lb-ft (Torque) / 1,198 lb-ft (Torque) | std | — |
| 85 MPGe (EPA efficiency (22" wheels/tires)) / 76 MPGe / 76 MPGe | std | — |
| All Purpose; All-Terrain; Snow / All Purpose; All-Terrain; Snow; Sport; Soft Sand; Rally; Drift; Rock Crawl; Conserve / All Purpose; All-Terrain; Snow; Sport; Soft Sand; Rally; Drift; Rock Crawl; Conserve | std | — |
| Available 28-gallon fuel tank (Regular Cab) | — | std |
| Available 34-gallon fuel tank (Double Cab / Crew Cab) | — | std |
| Dual-Motor AWD (1 in front, 1 in back) / Tri-Motor AWD (1 in front, 2 in back) / Quad-Motor AWD (2 in front, 2 in back) | std | — |
| First 10,000 miles (Powered by renewable energy) | std | — |
| Max battery: 420 mi (EPA est.) | opt | — |
| NACS Charging Port (Included) | std | — |
| Power Upgrade: 3.4 sec (0–60 mph); 829 lb-ft (Torque); 665 hp (Horsepower); Sport; Soft Sand; Rally | opt | — |
| Regenerative braking system | std | — |
Chassis10 differ · 10 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| 14.6 in (Max ground clearance) | std | — |
| 29.9° (Max departure angle) | std | — |
| 35.7° (Max approach angle) | std | — |
| Brake Rotor Size: Front 13.5in/343mm vented; Rear 13.6in/345mm vented | — | std |
| Electric power-assisted rack and pinion steering | — | std |
| Front brakes: 4 x 51mm fixed cast iron; Rear brakes: 1 x 51mm sliding cast iron with integrated electric park brake | — | std |
| Independent air suspension with 4 ride heights / Independent air suspension with 5 ride heights | std | — |
| Independent coil over shock front suspension with twin tube shock absorbers including frequency dependent damping | — | std |
| Kinetic roll control | std | — |
| Solid Axle Hotchkiss rear suspension with two stage 1+1 steel leaf springs or progressive rate composite mono-leaf springs | — | std |
Cargo9 differ · 9 listed
| Feature | Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD |
|---|---|---|
| Bumper-matched trailer hitch | std | — |
| 11.7 cu ft (Gear Tunnel volume) | std | — |
| 2,116 lb (Payload) / 1,702 lb (Payload) / 1,669 lb (Payload) | std | — |
| 29.2 cu ft (Cargo bed storage volume) | std | — |
| 54.2" x 51.1" x 18.3" (Cargo bed dimensions) | std | — |
| 59.9 cu ft (Total interior storage) | std | — |
| 7,700 lb (Towing) / 11,000 lb (Towing) / 11,000 lb (Towing) | std | — |
| 83.9 in (Cargo bed length with gate down) | std | — |
| Utility Panel (Included) | std | — |
Highlighted rows are where the two differ. Wording is the manufacturer's own.
Safety record
NHTSA recalls, complaints, NCAPRivian R1T
Top recalls
No recalls on file.
GMC Sierra
Top recalls
No recalls on file.
Ownership
EPA, manufacturer warranty| Rivian R1TR1T Premium (Dual-Motor) AWD | GMC SierraPro 2WD | |
|---|---|---|
| Price | $79,990 (base trim) | $51,295 (base trim) |
| Price range across trims | $79,990 – $115,990 3 trims | $51,295 – $87,895 10 trims |
| Powertrains | BEV | BEV, GAS, Diesel |
| EPA configuration compared | R1T Premium Long Range (22in) | Sierra EV Ext Range (11kW Chgr) |
| Combined mpg / MPGe | 87 | 66 |
| EPA annual fuel cost | $850 | $1,150 |
| EV range | 420 mi | 396 mi |
| Basic warranty | — | 3 yr / 36,000 mi (make terms) |
| Powertrain warranty | — | 5 yr / 60,000 mi (make terms) |
| Roadside assistance | — | 5 yr |
Common questions
Source: EPA, NHTSA and manufacturer press kitsWhich is better, the 2027 Rivian R1T or the 2027 GMC Sierra?
The Rivian R1T wins clearly, 89 to 82.8, on safety, performance, fuel & range. The GMC Sierra is ahead on price. On WhichTrim's default weights the 2027 Rivian R1T scores 89 and the 2027 GMC Sierra 82.8. The weights are yours to change — move what you care about and the verdict recalculates on the page.
Which is cheaper, the 2027 Rivian R1T or the 2027 GMC Sierra?
The 2027 GMC Sierra starts lower — $51,295 against $79,990, a gap of $28,695 at the trims compared here. Both are manufacturer MSRPs before destination, options and dealer charges.
Which has the better safety record, the 2027 Rivian R1T or the 2027 GMC Sierra?
2027 Rivian R1T: no NHTSA rating yet, grade A, 0 recalls. 2027 GMC Sierra: no NHTSA rating yet, grade A, 0 recalls. Crash ratings come from NHTSA's own tests; the grade is WhichTrim's read of the recall record, and the two can disagree.
What are the biggest differences between the 2027 Rivian R1T and the 2027 GMC Sierra?
Where the 2027 Rivian R1T wins: it lists 19 standard driver-assist features against 0, costs $300 a year less to fuel on the EPA's estimate ($850 against $1,150), and is rated 87 combined against 66 (EPA mpg or MPGe). Where the 2027 GMC Sierra answers: it starts $28,695 lower ($51,295 against $79,990 base MSRP). What they share: a Safety Signal of 100.