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

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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: $38,635

Lowest Total Invoice: $39,785

Buick Regal GS   
Difference: $34,978

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015
ModelRegalA6 / S6
TrimGSS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Base Price $37,385 $75,500
Base Invoice $35,890 $70,217
Driver Confidence Package 1,040  
Sunroof 1,000  
Adaptive cruise control, all-speed 1,195  
All-weather floor mats 140 195
Driver Assistance Package   2,800
Metallic paint (extra cost)   550
Rear side airbags   350
Driver Confidence Package 915  
Sunroof 880  
Adaptive cruise control, all-speed 1,052  
All-weather floor mats 123 181
Driver Assistance Package   2,604
Metallic paint (extra cost)   511
Rear side airbags   325
Options (change) 3,375 3,895
Options (change) 2,970 3,621
Destination 925 925
Total Price $41,685 $80,320
Total Invoice $39,785 $74,763

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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: $31,505
TrueDelta Adjusted Invoice Difference: $28,341
Model Year20152015
ModelRegalA6 / S6
TrimGSS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Engine259hp I4420hp V8
TransmissionT6S7
DrivetrainFWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)?, 9630, 14
Tire (rear if not all the same)245/40-19255/40-19
Total Price$41,685$80,320
Adjustments for Features0-7,130
Feature-Adjusted Total Price$41,685$73,190
Total Invoice$39,785$74,763
Adjustments for Features0-6,637
Feature-Adjusted Total Invoice$39,785$68,126

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Features Comparison: Buick Regal vs. Audi A6 / S6

Model Year20152015
ModelRegalA6 / S6
TrimGSS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed automated manual $1200
FWD$0 
AWD $1700
Accessories 
AC power outlet$100 
Heated steering wheel$100 
Remote app$25 
Remote start$150 
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, low-speed $200
Collision preparation system, rear $100
Cross-traffic warning, rear$100 
Following distance indicator$25 
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure prevention $150
Rearview camera$200 
Temporary spare tire $150
Vehicle health reports$0 
Wide-view front camera $150
Wide-view rear camera $0
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Rain-sensing wipers $175
Rear air vents$100 
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Residual heat $50
Variable intermittent wipers$75 
Drivetrain 
Active rear differential $500
Engine / Motor 
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Active grille shutters$0 
Rear spoiler$200 
Infotainment 
4G LTE connectivity$0 
App support$0 
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration $100
Media drive $15
Siri Eyes Free support$0 
SMS text-to-speech reader$25 
Surround sound $250
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information $25
USB port$25 
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming passenger-side mirror $75
Cornering lights $50
Fog light, rear $100
Head-up display (HUD) $350
Large color reconfigurable instrument cluster display$250 
LED headlights $1000
Mirror tilt-down in reverse $25
Performance meter$150 
Power-folding mirrors $50
Xenon HID headlights$500 
Seats and Interior Trim 
Door sill trim plates$100 
Illuminated door sill trim plates $200
Leather door panel trim $250
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power lumbar adjuster, driver seat$100 
Power lumbar adjuster, passenger seat$100 
Wood trim $300
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable $1000
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,900$11,030
Value of Feature Adjustments$0$7,130
Value of Feature Adjustments0-6,637

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Specifications Comparison: Buick Regal vs. Audi A6 / S6

Model Year20152015
ModelRegalA6 / S6
Body4dr Sedan4dr Sedan
Wheelbase107.8 in114.7 in
Length190.2 in193.9 in
Width73.1 in73.8 in
Height58.4 in57.8 in
Curb Weight3,693 lb.3,727 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 S6 4.0 TFSI

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Lane departure prevention system150No
Around view cameras300No
Automatic braking, low-speed200No
Forward collision warning200Yes
Wide-view front camera150No
Wide-view rear camera0No
Total Requested110058%
Total Not Requested80042%

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