Audi A6 / S6 Audi A6 / S6 2007 Buick Regal Buick Regal 2018
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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: $40,360

Buick Regal TourX Essence   
Difference: $16,110

Lowest Total Invoice: $38,561

Buick Regal TourX Essence   
Difference: $13,521

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072018
ModelA6 / S6Regal
TrimA6 3.2 AvantTourX Essence
Body4dr Wagon4dr Wagon
Base Price $48,000 $35,020
Base Invoice $44,308 $33,619
Convenience Package 2,750  
Bose 270W 13 speakers 0  
Technology Package 4,000  
Rear side airbags 350  
Power liftgate 450  
Heated steering wheel 200  
Driver Confidence Package #1   1,725
Sights and Sounds Package   1,095
Metallic paint (extra cost)   395
Panoramic sunroof   1,200
Convenience Package 2,503  
Bose 270W 13 speakers 0  
Technology Package 3,640  
Rear side airbags 319  
Power liftgate 410  
Heated steering wheel 182  
Driver Confidence Package #1   1,570
Sights and Sounds Package   996
Metallic paint (extra cost)   359
Panoramic sunroof   1,092
Options (change) 7,750 4,415
Options (change) 7,054 4,017
Destination 720 925
Total Price $56,470 $40,360
Total Invoice $52,082 $38,561

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

Dealer Price Quotes

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Request free, no-obligation Audi A6 / S6 dealer quotes or Buick Regal dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Buick Regal TourX Essence
TrueDelta Adjusted Price Difference: $18,410
TrueDelta Adjusted Invoice Difference: $15,718
Model Year20072018
ModelA6 / S6Regal
TrimA6 3.2 AvantTourX Essence
Body4dr Wagon4dr Wagon
Engine255hp V6250hp I4
TransmissionT6T8
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)270, 13?, 8
Tire (rear if not all the same)245/45-17235/50-18
Total Price$56,470$40,360
Adjustments for Features0-2,300
Feature-Adjusted Total Price$56,470$38,060
Total Invoice$52,082$38,561
Adjustments for Features0-2,197
Feature-Adjusted Total Invoice$52,082$36,364

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Features Comparison: Audi A6 / S6 vs. Buick Regal

Model Year20072018
ModelA6 / S6Regal
TrimA6 3.2 AvantTourX Essence
Body4dr Wagon4dr Wagon
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
8-speed manually-shiftable automatic $1300
AWD$1700$1700
Accessories 
Active noise reduction $0
Remote app $25
Remote start $150
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Blind spot warning system $200
Cross-traffic warning, rear $100
Knee airbag, driver $75
Knee airbag, passenger $75
Rollover sensor $50
Safety key $5
Vehicle health reports $0
Cargo Management 
Cargo area partition net$40 
Cargo organizer $100
Storage compartment under front seat(s)$50 
Climate Control 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear wiper $175
Residual heat$50 
Variable intermittent wipers $75
Drivetrain 
Active rear differential $500
Exterior 
Bodyside moldings$75 
Laminated front side windows $200
Panoramic sunroof $1200
Rear spoiler $200
Sunroof$900 
Wheel-lip moldings $75
Infotainment 
4G LTE connectivity $0
Android Auto support $100
App support $0
Apple CarPlay support $100
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
HD radio $50
MP3-compatible player$50 
SMS text-to-speech reader $25
Surround sound$250 
Telematics service, such as OnStar, with navigation $225
Voice control for external devices $0
Wi-Fi hotspot $50
Wireless charging station $75
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Cornering lights $50
Fog light, rear$100 
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Wood trim$300 
Total Value of Features$6,155$8,455
Value of Feature Adjustments$0$2,300
Value of Feature Adjustments0-2,197

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See a complete comparison of Audi A6 / S6 vs. Buick Regal features.

Specifications Comparison: Audi A6 / S6 vs. Buick Regal

Model Year20072018
ModelA6 / S6Regal
Body4dr Wagon4dr Wagon
Wheelbase111.9 in111.4 in
Length194.2 in196.3 in
Width73.1 in73.3 in
Height58.2 in58.4 in
Curb Weight4,168 lb.4,240 lb.
Fuel Capacity21.1 gal.16.3 gal.
Row 1 Headroom37.6 in38.8 in
Row 1 Shoulder Room57.1 in56.9 in
Row 1 Hip Room0.0 in55.2 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom38.0 in39.6 in
Row 2 Shoulder Room55.9 in55.4 in
Row 2 Hip Room0.0 in54.1 in
Row 2 Legroom36.9 in36.9 in
Cargo Volume,
Minimum		33.9 ft332.7 ft3
Cargo Volume,
Maximum		58.6 ft373.5 ft3

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See a complete comparison of Audi A6 / S6 vs. Buick Regal specs.

Option Package Details
Audi A6 / S6 A6 3.2 Avant

Convenience Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Satellite radio200Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Surround sound250No
Storage compartment under front seat(s)50No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested122564%
Total Not Requested67536%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested1600100%
Total Not Requested00%

Option Package Details
Buick Regal TourX Essence

Driver Confidence Package #1
FeatureValueRequested?
Cargo cover75Yes
Storage beneath cargo floor100No
Cargo organizer100No
Cargo area rails w/tie downs50Yes
Power 4-way lumbar adjuster, driver seat50Yes
Power 4-way lumbar adjuster, passenger seat50Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Wireless charging station75No
Obstacle detection, rear250Yes
Cornering lights50No
Blind spot warning system200No
LED headlights1000No
Cross-traffic warning, rear100No
Total Requested75032%
Total Not Requested162568%
Sights and Sounds Package
FeatureValueRequested?
Navigation system600Yes
Bose, 8 speakers (with subwoofer)350No
Voice control for nav and audio75Yes
HD radio50No
Large color reconfigurable instrument cluster display250No
Speed limit information0No
Total Requested67551%
Total Not Requested65049%

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