Segment:
        
        
            Premium Compact Sports Car / Lifestyle Car
        
     
    
        
            Philosophy:
        
        
            Combines striking design, engaging performance, and Audi's renowned build quality.
        
     
    
    
        
            Key Competitors:
        
        
            BMW Z4, Porsche Boxster, Mercedes-Benz SLK, Nissan 350Z/370Z.
        
     
    
    
        
            Design:
        
        
            Iconic Bauhaus-inspired design language, distinctive silhouette, and optional quattro all-wheel drive.
        
     
    
        
            Performance:
        
        
            Responsive engines, balanced chassis, and engaging driving dynamics.
        
     
    
        
            Manual Value Proposition:
        
        
            Enables owners to perform maintenance and repairs themselves, saving costs and ensuring proper upkeep of a premium vehicle.
        
     
 
    
    
    
        
            Engine:
        
        
            Full diagnostics, repair, overhaul, and component testing for all engine variants.
        
     
    
        
            Transmission:
        
        
            Manual and S tronic (DSG) automatic transmission service, repair, diagnostics, and fluid specifications.
        
     
    
        
            Drivetrain:
        
        
            Front-wheel drive (FWD) and quattro all-wheel drive (AWD) systems, including differential, driveshafts, and haldex coupling (if applicable).
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, steering system, wheel alignment procedures, and shock absorber/strut replacement.
        
     
    
        
            Brakes:
        
        
            Hydraulic brake system, ABS, ESP, brake pad and rotor replacement, caliper service, and bleeding procedures.
        
     
    
        
            Electrical System:
        
        
            12V battery system, alternator, starter, lighting, ignition system, and detailed wiring diagrams.
        
     
    
        
            Body And Chassis:
        
        
            Body panel removal and installation, interior trim, doors, windows, sunroof (if equipped), and underbody components.
        
     
    
        
            HVAC:
        
        
            Heating, ventilation, and air conditioning system service, refrigerant handling, and component replacement.
        
     
    
        
            Fuel System:
        
        
            Fuel pump, injectors, fuel filter, fuel tank, and emission control systems.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, coolant hoses, and fan operation.
        
     
    
        
            Exhaust System:
        
        
            Exhaust manifold, catalytic converter, mufflers, and emission sensors.
        
     
    
        
            Infotainment And Electronics:
        
        
            Audi MMI system, navigation, audio, Bluetooth, and related control modules (specific to the 2007 model's capabilities).
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, and brake fluid flushes.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common and uncommon issues, fault code interpretation, and guided troubleshooting steps.
        
     
    
        
            Repair And Rebuild:
        
        
            Detailed step-by-step instructions for component removal, repair, and reinstallation, including major overhauls.
        
     
    
        
            Diagnostics:
        
        
            Procedures for using diagnostic scan tools, interpreting sensor data, and performing system checks.
        
     
    
        
            Electrical Diagnostics:
        
        
            Wiring diagram analysis, circuit testing, and component testing for electrical faults.
        
     
    
        
            Torque Specifications:
        
        
            Precise torque values for all critical fasteners during assembly and repair.
        
     
    
    
        
            Depth:
        
        
            Comprehensive factory-level detail, suitable for both DIY enthusiasts and professional mechanics.
        
     
    
        
            Illustrations:
        
        
            Hundreds of detailed illustrations, diagrams, and photographs to guide each procedure.
        
     
    
        
            Completeness:
        
        
            Covers complete disassembly and reassembly of the vehicle and its systems.
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 4108 mm (161.7 in)
        
     
    
        
            Width:
        
        
            Approx. 1812 mm (71.3 in)
        
     
    
        
            Height:
        
        
            Approx. 1352 mm (53.2 in)
        
     
    
        
            Wheelbase:
        
        
            Approx. 2468 mm (97.2 in)
        
     
    
    
        
            Coupe Cargo Volume:
        
        
            Approx. 300 Liters (10.6 cu ft)
        
     
    
        
            Roadster Cargo Volume:
        
        
            Approx. 250 Liters (8.8 cu ft) with roof up, less when down.
        
     
    
    
        
            Curb Weight FWD Manual:
        
        
            Approx. 1355 kg (2987 lbs)
        
     
    
        
            Curb Weight Quattro Manual:
        
        
            Approx. 1470 kg (3241 lbs)
        
     
 
    
    
    
        
            NHTSA Front Impact:
        
        
            5-Star (for models tested, generally high ratings for the era)
        
     
    
    
        
            ABS:
        
        
            Standard Anti-lock Braking System
        
     
    
        
            Esp:
        
        
            Standard Electronic Stability Program (ESP)
        
     
    
        
            Traction Control:
        
        
            Standard Traction Control (ASR)
        
     
    
    
        
            Airbags:
        
        
            Front airbags, side airbags, and available head curtain airbags.
        
     
    
        
            Rollover Protection:
        
        
            Pop-out rollover protection bars for Roadster models.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 10,000 miles or 1 year, whichever comes first (under normal driving conditions, consult manual for severe conditions).
        
     
    
        
            Timing Belt Chain:
        
        
            TFSI engines use a timing chain, which generally does not require scheduled replacement but should be inspected.
        
     
    
        
            Brake Fluid Change:
        
        
            Typically every 2 years, regardless of mileage.
        
     
    
    
        
            Engine Oil:
        
        
            Refer to owner's manual for specific VW 502 00 or VW 504 00 approved synthetic oil, typically 5W-40 or 5W-30 depending on climate.
        
     
    
        
            Coolant:
        
        
            G12 Plus Plus (G12++) or equivalent pink/red long-life coolant.
        
     
    
        
            Transmission Fluid Manual:
        
        
            Refer to manual for specific G 052 171 A2 or equivalent manual transmission fluid.
        
     
    
        
            Transmission Fluid Dsg:
        
        
            Specific Pentosin FFL-4 or equivalent for DSG (S tronic) transmissions.
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 Class 6 or equivalent.
        
     
    
    
        
            Common Wear Items:
        
        
            Brake pads, tires, suspension components (bushings, ball joints) due to performance-oriented nature.
        
     
    
        
            Engine Related:
        
        
            PCV valve failures, oil consumption in some early TFSI engines, potential turbocharger issues if not maintained.
        
     
    
        
            Dsg Related:
        
        
            Mechatronic unit issues, clutch pack wear, need for regular DSG fluid changes.
        
     
    
        
            Electrical Related:
        
        
            Occasional sensor failures or module issues, check wiring integrity.
        
     
 
    
    
    
        
            Brand Focus:
        
        
            Audi AG, a German manufacturer known for luxury, performance, and advanced technology.
        
     
    
    
        
            First Generation:
        
        
            1998-2006 (Type 8N), characterized by a more rounded, 'bug-eye' design.
        
     
    
        
            Second Generation:
        
        
            2007-2015 (Type 8J), introduced with a sharper, more aggressive design language, larger dimensions, and updated technology.
        
     
    
    
        
            Production Start Year:
        
        
            2007
        
     
    
        
            Manufacturing Location:
        
        
            Ingolstadt, Germany