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2026 Jeep Gladiator vs 2026 GMC Sierra

📊 Key Differences
  • Fuel economy: 19 MPG vs 68 MPG combined — GMC Sierra is more efficient
  • Annual fuel cost: $3550 vs $1100 — GMC Sierra saves $ per year
  • Fuel type: Regular Gasoline vs Electricity
Specification 2026 Jeep Gladiator 2026 GMC Sierra
Year20262026
ClassStandard Pickup Trucks 4WDStandard Pickup Trucks 4WD
Fuel TypeRegular GasolineElectricity
Drive4-Wheel Drive4-Wheel Drive
TransmissionAutomatic 8-spdAutomatic (A1)
Cylinders6
Displacement (L)3.6
City MPG1775
Highway MPG2261
Combined MPG1968
Annual Fuel Cost$3550$1100
CO₂ (g/mile)469.0
EPA Fuel Economy Score4/109/10
EPA GHG Score4/1010/10
Frontal Crash4/5
Rollover3/5
🚗 2026 Jeep Gladiator

Standard Pickup Trucks 4WD with 19 MPG combined fuel economy. Runs on Regular Gasoline. 4-Wheel Drive drivetrain.

Full Jeep Gladiator Profile →
🚗 2026 GMC Sierra

Standard Pickup Trucks 4WD with 68 MPG combined fuel economy. Runs on Electricity. 4-Wheel Drive drivetrain.

Full GMC Sierra Profile →