Audi A6 / S6 Audi A6 / S6 2010 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: $40,500

Buick Regal TourX Essence   
Difference: $18,650

Lowest Total Invoice: $38,688

Buick Regal TourX Essence   
Difference: $16,364

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102018
ModelA6 / S6Regal
TrimA6 3.0T AvantTourX Essence
Body4dr Wagon4dr Wagon
Base Price $53,310 $35,020
Base Invoice $49,579 $33,619
Prestige Package 3,050  
Sport Package 1,000  
Rear side airbags 350  
All-weather floor mats 115 140
Blind spot warning system 500  
Driver Confidence Package #1   1,725
Sights and Sounds Package   1,095
Metallic paint (extra cost)   395
Panoramic sunroof   1,200
Prestige Package 2,837  
Sport Package 930  
Rear side airbags 325  
All-weather floor mats 90 127
Blind spot warning system 466  
Driver Confidence Package #1   1,570
Sights and Sounds Package   996
Metallic paint (extra cost)   359
Panoramic sunroof   1,092
Options (change) 5,015 4,555
Options (change) 4,648 4,144
Destination 825 925
Total Price $59,150 $40,500
Total Invoice $55,052 $38,688

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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: $20,385
TrueDelta Adjusted Invoice Difference: $18,021
Model Year20102018
ModelA6 / S6Regal
TrimA6 3.0T AvantTourX Essence
Body4dr Wagon4dr Wagon
Engine300hp V6250hp I4
TransmissionT6T8
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)255, 9?, 8
Tire (rear if not all the same)245/40-18235/50-18
Total Price$59,150$40,500
Adjustments for Features0-1,735
Feature-Adjusted Total Price$59,150$38,765
Total Invoice$55,052$38,688
Adjustments for Features0-1,657
Feature-Adjusted Total Invoice$55,052$37,031

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Features Comparison: Audi A6 / S6 vs. Buick Regal

Model Year20102018
ModelA6 / S6Regal
TrimA6 3.0T 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
Heated steering wheel $100
Remote app $25
Remote start $150
Sunshades, second row$125 
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 
Cross-traffic warning, rear $100
Full-size spare tire$225 
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, rear $250
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 
Automatic air recirculation$100 
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
Bluetooth audio streaming $25
CD changer, remote$200 
DVD-compatible player$0 
HD radio $50
iPod integration$100 
Media drive$15 
MP3-compatible player$50 
SMS text-to-speech reader $25
Surround sound$250 
Telematics service, such as OnStar, with navigation $225
Traffic information$25 
USB port $25
Voice control for external devices $0
Wi-Fi hotspot $50
Wireless charging station $75
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Fog light, rear$100 
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Mirror tilt-down in reverse$25 
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Wood trim$300 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$6,795$8,530
Value of Feature Adjustments$0$1,735
Value of Feature Adjustments0-1,657

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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 Year20102018
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 3.0T Avant

Prestige Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Steering-linked headlights150No
Rearview camera200Yes
Surround sound250No
Cornering lights50Yes
Proximity key250Yes
Steering-wheel-mounted transmission controls100No
Bose, 255W, 9 speakers (with subwoofer)350No
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
245/40HR18 tires400No
Total Requested142550%
Total Not Requested142550%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250No
245/40HR18 tires400No
Steering-wheel-mounted transmission controls100No
Total Requested00%
Total Not Requested750100%

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, rear250No
Cornering lights50Yes
Blind spot warning system200Yes
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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