🏷️ Basic Information

Make:

Buick

Model:

Regal

Year:

2011

Generation Code:

Fifth Generation (Reintroduced)

Platform:

GM Epsilon II Platform

👋 Introduction

Segment:

Mid-size Sedan / Sport Sedan

Brand Positioning:

Buick positioned as a premium American brand, offering a blend of comfort, technology, and performance within General Motors' lineup.

Key Competitors:

Acura TL, Lexus ES, Audi A4, BMW 3 Series, Mercedes-Benz C-Class, Ford Fusion, Chevrolet Malibu.

Design Philosophy:

European-inspired design, sophisticated styling, refined interior, focus on driving dynamics.

Powertrain Options:

Offered with efficient turbocharged four-cylinder and powerful V6 engines.

Technology Integration:

Advanced infotainment options, available driver assistance features, premium audio systems.

📋 Manual Details

Primary Coverage:

All aspects of vehicle operation, maintenance, and features for the 2011 Buick Regal.

Secondary Coverage:

Safety defect reporting (U.S. only), cleaning, basic maintenance, engine compartment details, fuel, air filters, parts identification, refill capacities, lubricant specifications, accessories, service information, and general maintenance information.

Estimated Page Count:

Approximately 300-400 pages (typical for factory owner's manuals of this era).

Type:

Owner's Manual

Language:

English

Format:

Digital PDF Download

📖 Manual Coverage

Powertrain:

Engine operation, fuel system, ignition, cooling, exhaust, transmission operation.

Chassis:

Brakes, steering, suspension, wheels, and tires.

Electrical:

Lighting system, instrument cluster, infotainment/audio, climate control, locks, security, power accessories, driver controls.

Body And Interior:

Seating, safety restraints, locks, security, interior features, and cleaning.

Routine Maintenance:

Checking and topping up fluids (engine oil, coolant, brake fluid, windshield washer fluid), checking tire pressure, basic cleaning procedures.

Operation:

Starting and stopping the engine, operating the transmission, using climate controls, operating lights, using infotainment systems, adjusting seats and steering wheel, using cruise control.

Safety Features:

Proper use of seat belts, child restraints, airbags, and other safety systems.

Troubleshooting:

Interpreting warning lights and messages, basic troubleshooting for common minor issues.

Depth:

Designed for the owner, covering operation, routine maintenance, and basic care. Does not include detailed diagnostic or repair procedures for mechanics, which are found in service manuals.

📊 Manual Specifications

Format:

PDF

Compatibility:

Compatible with any device capable of reading PDF files (smartphones, tablets, computers).

Reader Requirement:

Requires a PDF reader (e.g., Adobe Acrobat Reader, Foxit Reader).

Quality:

Digital compilation of factory manual, retaining original print quality.

Binding:

Not Applicable (Digital PDF)

Paper:

Not Applicable (Digital PDF)

⚙️ Engine Specifications

Engine Code Gasoline:

2.4L Ecotec LE5 (Naturally Aspirated Inline-4)

Displacement Gasoline:

2384 cc (2.4 Liters)

Horsepower Gasoline:

182 hp @ 6700 rpm

Torque Gasoline:

172 lb-ft @ 4900 rpm

Engine Code Gasoline Turbo:

2.0L Ecotec LHU (Turbocharged Inline-4)

Displacement Gasoline Turbo:

1998 cc (2.0 Liters)

Horsepower Gasoline Turbo:

220 hp @ 5300 rpm

Torque Gasoline Turbo:

258 lb-ft @ 2000-4000 rpm

Engine Code Gasoline V6:

3.6L High Feature LLT (Naturally Aspirated V6)

Displacement Gasoline V6:

3564 cc (3.6 Liters)

Horsepower Gasoline V6:

295 hp @ 6300 rpm

Torque Gasoline V6:

263 lb-ft @ 4900 rpm

Fuel Delivery:

Electronic Fuel Injection (EFI) with Direct Injection (DI) on V6, Port Injection on 2.4L/2.0T.

Fuel Type:

Unleaded gasoline

Recommended Octane:

87 octane (minimum), 91 octane recommended for 2.0T for optimal performance.

🔧 Transmission

Transmission Type Standard:

6-speed automatic (MYP)

Transmission Type Optional:

None for 2011 model year (all models used 6-speed automatic).

Transmission Features:

Driver Shift Control (manual shifting capability), adaptive shift control.

📐 Dimensions

Length:

190.2 inches (4831 mm)

Width:

73.1 inches (1857 mm)

Height:

58.4 inches (1483 mm)

Wheelbase:

107.3 inches (2725 mm)

Curb Weight 2.4L:

Approx. 3560 lbs (1615 kg)

Curb Weight 2.0T:

Approx. 3575 lbs (1622 kg)

Curb Weight 3.6L:

Approx. 3750 lbs (1701 kg)

🛡️ Safety Features

NHTSA Overall Rating:

5-Star (for 2011 model year, typical for this platform)

IIHS Top Safety Pick:

Yes (typically achieved by this generation)

Electronic Stability Control:

Standard (StabiliTrak)

Traction Control:

Standard

Anti Lock Brakes:

Standard (ABS)

Brake Assist:

Standard

Daytime Running Lights:

Standard

Airbags Front:

Standard (Driver and front passenger airbags)

Airbags Side:

Standard (Front and rear side-impact airbags)

Airbags Curtain:

Standard (Full-length side curtain airbags)

Seat Belts:

Standard (3-point with pretensioners)

Child Seat Anchors:

Standard (LATCH system)

💡 Technology Features

Infotainment System:

Buick IntelliLink (available, typically with a 7-inch touchscreen display), AM/FM stereo, CD player, MP3 playback, auxiliary audio input, USB port, Bluetooth connectivity (optional).

Audio Options:

Bose premium audio system (optional).

Available Features:

Park Assist (rear parking sensors), rearview camera (available on higher trims).

Advanced Features Not Included:

Adaptive cruise control, lane departure warning, blind-spot monitoring were not commonly available on the 2011 model.

Bluetooth:

Available for hands-free calling and audio streaming.

Usb Port:

Available for device charging and media playback.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles (12,000 km) or 12 months, whichever comes first (with synthetic oil). Check manual for specific conditions.

Tire Rotation Interval:

Every 7,500 miles (12,000 km)

Cabin Air Filter:

Replace every 20,000 miles (32,000 km) or as needed.

Spark Plugs:

2.4L: 100,000 miles (160,000 km); 2.0T/3.6L: Refer to specific service schedule or manual.

Engine Oil Type:

SAE 5W-30 Dexos1 approved synthetic engine oil.

Engine Oil Capacity:

2.4L: 4.7 quarts (4.5L); 2.0T: 5.0 quarts (4.7L); 3.6L V6: 5.5 quarts (5.2L) with filter change.

Coolant Type:

GM Super Coolant (blue) - Ethylene Glycol based, Dex-Cool compatible.

Transmission Fluid Type:

Dexron VI automatic transmission fluid.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Common Issues Early Models:

Some reports of turbocharger issues on early 2.0T models, potential for timing chain stretch on 3.6L V6, water pump leaks, and minor electrical gremlins. Refer to manual for proper operation to mitigate these.

Oil Consumption:

Some engines (particularly the 2.0T) may exhibit higher oil consumption, especially under hard driving. Regular checks are recommended.

Dashboard Rattles:

Interior trim rattles can be an issue in some vehicles due to the European-tuned chassis and suspension.

Oil Filter 2.4L:

GM Part Number: 12612271 or ACDelco PF48

Air Filter 2.4L:

GM Part Number: 20759227 or ACDelco A1334C

Cabin Air Filter:

GM Part Number: 13330385 or ACDelco CF174

📚 Vehicle History

Buick Legacy:

Buick, founded in 1899, is one of America's oldest automotive brands, known for its focus on comfortable and refined vehicles.

Regal Lineage:

The Regal nameplate has a long history with Buick, dating back to the 1970s, encompassing various body styles and performance variants. The 2011 model marks the reintroduction of the Regal to the North American market on a global platform.

Assembly Location:

Oshawa, Ontario, Canada

Production Period:

2008 (Europe as Opel Insignia) / 2010-2017 (North America)

🏆 Awards & Recognition

Safety Awards:

Typically achieved IIHS Top Safety Pick and NHTSA 5-Star ratings, indicating strong performance in crash tests.

Design Awards:

The fifth-generation Regal received praise for its styling and sophisticated European design cues.

Fuel Economy Ratings 2.4L:

EPA estimated: 18 mpg city / 28 mpg highway (FWD).

Fuel Economy Ratings 2.0T:

EPA estimated: 17 mpg city / 27 mpg highway (FWD).

Fuel Economy Ratings 3.6L:

EPA estimated: 17 mpg city / 27 mpg highway (FWD).