Audi A6 / S6 Audi A6 / S6 2009 Buick Regal Buick Regal 2011

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Audi A6 / S6 vs. Buick Regal Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Audi A6 / S6 vs. Buick Regal Invoice Comparison

Lowest Total Price: $34,160

Buick Regal CXL Turbo   
Difference: $15,715

Lowest Total Invoice: $32,472

Buick Regal CXL Turbo   
Difference: $13,969

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009200920092011
ModelA6 / S6A6 / S6A6 / S6A6 / S6Regal
TrimA6 3.2A6 3.0TA6 4.2S6CXL Turbo
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $45,100 $50,100 $60,950 $75,900 $28,860
Base Invoice $41,943 $46,593 $56,682 $70,588 $27,705
Premium Plus Package 1,800 1,500      
Navigation system 1,800 1,800      
Rear side airbags 350 350 350 350  
Preferred Equipment Group T04         4,440
Premium Plus Package 1,674 1,396      
Navigation system 1,674 1,674      
Rear side airbags 325 325 325 325  
Preferred Equipment Group T04         3,907
Options (change) 3,950 3,650 350 350 4,440
Options (change) 3,673 3,395 325 325 3,907
Destination 825 825 825 825 860
Gas Tax 0 0 0 1,300 0
Total Price $49,875 $54,575 $62,125 $78,375 $34,160
Total Invoice $46,441 $50,813 $57,832 $73,038 $32,472

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Audi A6 / S6 vs. Buick Regal

Lowest Adjusted Price and Invoice: Buick Regal CXL Turbo
TrueDelta Adjusted Price Difference: $14,815
TrueDelta Adjusted Invoice Difference: $13,131
Model Year20092009200920092011
ModelA6 / S6A6 / S6A6 / S6A6 / S6Regal
TrimA6 3.2A6 3.0TA6 4.2S6CXL Turbo
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine255hp V6300hp V6350hp V8435hp V10220hp I4
TransmissionCVT-7T6T6T6T6
DrivetrainFWDAWDAWDAWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)160, 10160, 10255, 9255, 9320, 9
Tire (rear if not all the same)245/40-18245/40-18245/40-18265/35-19235/50-18
Total Price$49,875$54,575$62,125$78,375$34,160
Adjustments for Features-900-2,800-3,950-4,7750
Feature-Adjusted Total Price$48,975$51,775$58,175$73,600$34,160
Cost Above Minimum$0$2,800$9,200$24,625$0
Total Invoice$46,441$50,813$57,832$73,038$32,472
Adjustments for Features-838-2,607-3,677-4,4500
Feature-Adjusted Total Invoice$45,603$48,206$54,155$68,588$32,472
Cost Above Minimum$0$2,603$8,552$22,985$0

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Features Comparison: Audi A6 / S6 vs. Buick Regal

Model Year20092009200920092011
ModelA6 / S6A6 / S6A6 / S6A6 / S6Regal
TrimA6 3.2A6 3.0TA6 4.2S6CXL Turbo
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable CVT$1100    
6-speed manually-shiftable automatic $1100$1100$1100$1100
FWD$0   $0
AWD $1700$1700$1700 
Accessories 
AC power outlet    $100
Proximity key  $250$250 
Sunshade, rear, power$225$225$225$225 
Sunshades, second row$125$125$125$125 
Tilt/telescoping steering wheel, manual$250$250  $250
Tilt/telescoping steering wheel, power  $350$350 
Universal garage door opener$100$100$100$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0$0 
Full-size spare tire$225$225$225$225 
Obstacle detection, rear    $250
Rearview camera  $200$200 
Rollover sensor    $50
Temporary spare tire    $150
Cargo Management 
Rear seat pass-through   $100$100
Ski sack   $50 
Storage compartment under front seat(s)$50$50$50$50 
Climate Control 
Automatic air recirculation$100$100$100$100 
Heated windshield washer nozzles$15$15$15$15 
Rain-sensing wipers$175$175$175$175 
Residual heat$50$50$50$50 
Variable intermittent wipers    $75
Exterior 
Bodyside cladding   $350 
Bodyside moldings$75$75$75  
Infotainment 
CD changer, remote$200$200$200$200 
CD player    $125
DVD-compatible player    $0
iPod integration$100$100$100$100 
Media drive    $15
Surround sound  $250$250 
Telematics service, such as OnStar, with navigation    $225
USB port    $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75$75 
Auto-dimming passenger-side mirror$75$75$75$75 
Cornering lights  $50$50 
Fog light, rear$100$100$100$100 
Headlight washers  $50$50 
Mirror tilt-down in reverse$25$25$25$25 
Steering-linked headlights  $150$150 
Seats and Interior Trim 
Heated front seats $200$200$200$200
Leather door panel trim   $250 
Manual thigh support length adjuster, driver seat   $50 
Memory system, driver seat$200$200$200$200 
Power headrest height adjuster, driver seat   $50 
Power headrest height adjuster, passenger seat   $50 
Wood trim$300$300$300$300 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)   $0 
Transmission 
Steering-wheel-mounted transmission controls  $100$100 
Total Value of Features$3,565$5,465$6,615$7,440$2,665
Value of Feature Adjustments$900$2,800$3,950$4,775$0
Value of Feature Adjustments-838-2,607-3,677-4,4500

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Specifications Comparison: Audi A6 / S6 vs. Buick Regal

Model Year20092011
ModelA6 / S6Regal
Body4dr Sedan4dr Sedan
Wheelbase111.9 in107.8 in
Length193.5 in190.2 in
Width73.0 in73.1 in
Height57.5 in58.4 in
Curb Weight4,124 lb.3,601 lb.
Fuel Capacity21.1 gal.18.0 gal.
Row 1 Headroom38.7 in38.8 in
Row 1 Shoulder Room57.1 in56.7 in
Row 1 Hip Room0.0 in55.4 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.8 in36.8 in
Row 2 Shoulder Room55.9 in54.4 in
Row 2 Hip Room0.0 in52.3 in
Row 2 Legroom36.9 in37.3 in
Cargo Volume15.9 ft314.2 ft3

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Option Package Details
Audi A6 / S6 A6 3.2

Premium Plus Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200No
Auto-dimming driver-side mirror75No
Compass0Yes
Special exterior trim0No
Auto-dimming passenger-side mirror75No
245/40HR18 tires400No
Door sill trim plates100Yes
Total Requested75050%
Total Not Requested75050%

Option Package Details
Audi A6 / S6 A6 3.0T

Premium Plus Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200No
Auto-dimming driver-side mirror75No
Compass0Yes
Special exterior trim0No
Auto-dimming passenger-side mirror75No
245/40HR18 tires400No
Door sill trim plates100Yes
Total Requested75050%
Total Not Requested75050%

Option Package Details
Buick Regal CXL Turbo

Preferred Equipment Group T04
FeatureValueRequested?
Rear side airbags300Yes
Sunroof900Yes
Xenon HID headlights500Yes
Harman/Kardon, 320W, 9 speakers (with subwoofer)350No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Media drive, large15No
Total Requested240087%
Total Not Requested36513%

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