2019 Buick Regal Sportback Service and Repair Manual

This factory service and repair manual for the 2019 Buick Regal Sportback lists six trims: Base, Avenir, Essence, GS, Preferred and Preferred II. The body remains a 4-door hatchback. A 2.0L inline-four with a turbocharger and twin overhead cams leads the engine list, while a 3.6L DOHC V6 without forced induction is the alternative; both run on gasoline. Specifications, torque values, procedures and diagnostics cover the engine, transmission and brakes, with wiring diagrams for the electrical system.

Engines covered

• 2.0L inline-four (122 cu in) — DOHC, turbocharged, gasoline
• 3.6L V6 (222 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door hatchback

Trims covered

• Base
• Avenir
• Essence
• GS
• Preferred
• Preferred II

Known issues on the 2019 Regal Sportback. On the 2019 Regal Sportback, the turbocharged 2.0L four and the naturally aspirated 3.6L V6 bring different induction to the engine and fuel system. The manual addresses both with engine procedures, specifications and torque values, fuel system and ignition diagnostics, and cooling system service. Transmission, drivetrain, suspension and steering specifications apply to the hatchback body, and electrical system wiring diagrams span six trims, Avenir included.