Sierra EV vs R1T

Scores and specs side by side. The best value in each row is in bold and marked Best.

Main differences

  • The Sierra EV goes 36 mi further on the EPA cycle, 410 mi against 374 mi.
  • The R1T is more efficient, 76 MPGe combined against 68.

From the published specs and John’s scores. Gaps too small to matter, and specs either car doesn’t list, are left out.

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2026 GMC Sierra EV Extended Range vs 2027 Rivian R1T Quad: scores and specs side by side

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2025 GMC Sierra EV
Photo credit

Photo: MercurySable99, CC BY-SA 4.0

GMC

2026 GMC Sierra EV Extended Range

2022 Rivian R1T
Photo credit

Photo: Kevauto, CC BY-SA 4.0

Rivian

2027 Rivian R1T Quad

Scores

Overall scoreNot yet scoredNot yet scored
Range & EfficiencyNot yet scoredNot yet scored
ChargingNot yet scoredNot yet scored
Performance & HandlingNot yet scoredNot yet scored
Comfort & RideNot yet scoredNot yet scored
Interior & TechNot yet scoredNot yet scored
PracticalityNot yet scoredNot yet scored
ValueNot yet scoredNot yet scored

Range & efficiency

EPA range410 miBest374 mi
Efficiency495 Wh/mi444 Wh/miBest
MPGe combined68 MPGe76 MPGeBest

Performance

DrivetrainAll-wheel driveAll-wheel drive

Dimensions & practicality

Body stylePickupPickup

Scores are out of 10. Price is base MSRP before incentives and destination. A dash means the spec isn’t listed.

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