Buick Regal Buick Regal 2015 Audi A6 / S6 Audi A6 / S6 2017

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Buick Regal vs. Audi A6 / S6 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.

Buick Regal vs. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $41,685

Buick Regal GS   
Difference: $30,535

Lowest Total Invoice: $39,785

Buick Regal GS   
Difference: $27,447

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520172017
ModelRegalA6 / S6A6 / S6
TrimGSA6 3.0T CompetitionS6 4.0 TFSI
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $37,385 $67,600 $70,900
Base Invoice $35,890 $62,868 $65,938
Driver Confidence Package 1,040    
Sunroof 1,000    
Adaptive cruise control, all-speed 1,195    
All-weather floor mats 140 195 195
Driver Assistance Package   2,550 2,550
Metallic paint (extra cost)   575 575
Rear side airbags   350 350
Wood trim   0  
Driver Confidence Package 915    
Sunroof 880    
Adaptive cruise control, all-speed 1,052    
All-weather floor mats 123 181 181
Driver Assistance Package   2,372 2,371
Metallic paint (extra cost)   536 536
Rear side airbags   325 325
Wood trim   0  
Options (change) 3,375 3,670 3,670
Options (change) 2,970 3,414 3,413
Destination 925 950 950
Total Price $41,685 $72,220 $75,520
Total Invoice $39,785 $67,232 $70,301

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

Lowest Adjusted Price and Invoice: Buick Regal GS
TrueDelta Adjusted Price Difference: $23,780
TrueDelta Adjusted Invoice Difference: $21,159
Model Year201520172017
ModelRegalA6 / S6A6 / S6
TrimGSA6 3.0T CompetitionS6 4.0 TFSI
Body4dr Sedan4dr Sedan4dr Sedan
Engine259hp I4340hp V6450hp V8
TransmissionT6T8S7
DrivetrainFWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 9630, 14630, 14
Tire (rear if not all the same)245/40-19255/35-20255/40-19
Total Price$41,685$72,220$75,520
Adjustments for Features0-6,755-6,405
Feature-Adjusted Total Price$41,685$65,465$69,115
Cost Above Minimum$0$0$3,650
Total Invoice$39,785$67,232$70,301
Adjustments for Features0-6,288-5,962
Feature-Adjusted Total Invoice$39,785$60,944$64,339
Cost Above Minimum$0$0$3,395

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Features Comparison: Buick Regal vs. Audi A6 / S6

Model Year201520172017
ModelRegalA6 / S6A6 / S6
TrimGSA6 3.0T CompetitionS6 4.0 TFSI
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100  
8-speed manually-shiftable automatic $1300 
7-speed automated manual  $1200
FWD$0  
AWD $1700$1700
Accessories 
AC power outlet$100  
Hands-free trunk or liftgate $100 
Heated steering wheel$100  
Power trunk closer $350 
Remote app$25  
Remote start$150  
Sunshade, rear, power $225 
Sunshades, second row $125 
Tilt/telescoping steering wheel, manual$250  
Tilt/telescoping steering wheel, power $350$350
Brakes, Airbags, and Other Safety 
Around view cameras $500$500
Automatic braking, low-speed $200$200
Collision preparation system, rear $100$100
Cross-traffic warning, rear$100  
Following distance indicator$25  
Knee airbag, driver $75$75
Knee airbag, passenger $75$75
Lane departure prevention, steering-based $200$200
Rearview camera$200  
Secondary collision brake assist $25$25
Temporary spare tire $150$150
Vehicle health reports$0  
Wide-view front camera $150$150
Wide-view rear camera $0$0
Climate Control 
Automatic air recirculation $100$100
Heated windshield washer nozzles $15$15
Rain-sensing wipers $175$175
Rear air vents$100  
Rear air vents with automatic controls $250$250
Rear dual-zone climate control $125$125
Residual heat $50$50
Variable intermittent wipers$75  
Drivetrain 
Active rear differential $500 
Engine / Motor 
Automatic start / stop $150$150
Dual-mode exhaust, switchable  $500
Regenerative braking $0$0
Exterior 
Active grille shutters$0  
Black exterior trim (optional) $0 
Body kit$0  
Laminated front side windows $200$200
Painted brake calipers (optional) $0 
Rear spoiler$200  
Infotainment 
Android Auto support $100$100
App support$0  
Apple CarPlay support $100$100
DVD-compatible player $0$0
Handwriting recognition $200$200
HD radio $50$50
In-vehicle Internet $150$150
Media drive $15$15
SD Card slot $25$25
Siri Eyes Free support$0  
SMS text-to-speech reader$25  
Surround sound $250$250
Telematics service, such as OnStar, with navigation$225  
Traffic + travel information $25$25
Voice control for external devices$0  
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75
Auto-dimming headlights $200$200
Auto-dimming passenger-side mirror $75$75
Fog light, rear $100$100
Head-up display (HUD) $350 
Large color reconfigurable instrument cluster display$250  
LED headlights $1000 
Mirror tilt-down in reverse $25$25
Performance meter$150  
Power-folding mirrors $50$50
Xenon HID headlights$500 $500
Seats and Interior Trim 
Door sill trim plates$100 $100
Illuminated door sill trim plates $200 
Leather door panel trim $250$250
Power 4-way lumbar adjuster, driver seat $150$150
Power 4-way lumbar adjuster, passenger seat $150$150
Power lumbar adjuster, driver seat$100  
Power lumbar adjuster, passenger seat$100  
Wood trim $300$300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 $500
Air suspension, auto-leveling and height adjustable  $1000
Transmission 
Steering-wheel-mounted transmission controls $100$100
Total Value of Features$4,375$11,130$10,780
Value of Feature Adjustments$0$6,755$6,405
Value of Feature Adjustments0-6,288-5,962

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Specifications Comparison: Buick Regal vs. Audi A6 / S6

Model Year20152017
ModelRegalA6 / S6
Body4dr Sedan4dr Sedan
Wheelbase107.8 in114.6 in
Length190.2 in194.2 in
Width73.1 in73.8 in
Height58.4 in57.8 in
Curb Weight3,693 lb.3,804 lb.
Fuel Capacity18.0 gal.19.8 gal.
Row 1 Headroom38.8 in37.2 in
Row 1 Shoulder Room56.7 in57.5 in
Row 1 Hip Room55.4 in0.0 in
Row 1 Legroom42.1 in41.3 in
Row 2 Headroom36.8 in37.8 in
Row 2 Shoulder Room54.4 in56.3 in
Row 2 Hip Room52.3 in0.0 in
Row 2 Legroom37.3 in37.4 in
Cargo Volume14.2 ft314.1 ft3

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Option Package Details
Buick Regal GS

Driver Confidence Package
FeatureValueRequested?
Memory system, driver seat200Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Rear cross-traffic detection100No
Forward collision warning200Yes
Following distance indicator25No
Total Requested80086%
Total Not Requested12514%

Option Package Details
Audi A6 / S6 A6 3.0T Competition

Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200No
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Around view cameras300No
Automatic braking, low-speed200No
Forward collision warning200Yes
Wide-view front camera150No
Wide-view rear camera0No
Lane departure prevention system, steering-based200No
Total Requested110051%
Total Not Requested105049%

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200No
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Around view cameras300No
Automatic braking, low-speed200No
Forward collision warning200Yes
Wide-view front camera150No
Wide-view rear camera0No
Lane departure prevention system, steering-based200No
Total Requested110051%
Total Not Requested105049%

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