Buick Regal Buick Regal 2015 Audi A6 / S6 Audi A6 / S6 2008

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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: $39,260

Buick Regal   
Difference: $17,435

Lowest Total Invoice: $37,388

Buick Regal   
Difference: $15,348

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520082008
ModelRegalA6 / S6A6 / S6
TrimBaseA6 3.2A6 4.2
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $29,990 $42,950 $56,300
Base Invoice $28,790 $39,943 $52,361
Premium II Package 4,110    
Sunroof 1,000    
Chrome-plated alloy wheels 1,000    
Adaptive cruise control, all-speed 1,195    
Driver Confidence Package 1,040    
Premium Package   3,550  
Technology Package   4,100 3,450
Cold Weather Package   600 600
245/40YR18   1,180 1,180
iPod integration   290 290
Rear side airbags   350 350
Lane departure warning   900 900
Adaptive cruise control   2,000 2,000
Premium II Package 3,946    
Sunroof 880    
Chrome-plated alloy wheels 880    
Adaptive cruise control, all-speed 1,052    
Driver Confidence Package 915    
Premium Package   3,302  
Technology Package   3,813 3,208
Cold Weather Package   557 557
245/40YR18   1,098 1,098
iPod integration   225 225
Rear side airbags   325 325
Lane departure warning   838 838
Adaptive cruise control   1,860 1,860
Options (change) 8,345 12,970 8,770
Options (change) 7,673 12,018 8,111
Destination 925 775 775
Total Price $39,260 $56,695 $65,845
Total Invoice $37,388 $52,736 $61,247

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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: Buick Regal vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Buick Regal
TrueDelta Adjusted Price Difference: $16,730
TrueDelta Adjusted Invoice Difference: $14,692
Model Year201520082008
ModelRegalA6 / S6A6 / S6
TrimBaseA6 3.2A6 4.2
Body4dr Sedan4dr Sedan4dr Sedan
Engine259hp I4255hp V6350hp V8
TransmissionT6CVT-7T6
DrivetrainFWDFWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 9330, 13330, 13
Tire (rear if not all the same)235/50-18245/40-18245/40-18
Total Price$39,260$56,695$65,845
Adjustments for Features0-705-2,655
Feature-Adjusted Total Price$39,260$55,990$63,190
Cost Above Minimum$0$0$7,200
Total Invoice$37,388$52,736$61,247
Adjustments for Features0-656-2,470
Feature-Adjusted Total Invoice$37,388$52,080$58,777
Cost Above Minimum$0$0$6,697

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Features Comparison: Buick Regal vs. Audi A6 / S6

Model Year201520082008
ModelRegalA6 / S6A6 / S6
TrimBaseA6 3.2A6 4.2
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 $1100
7-speed manually-shiftable CVT $1100 
FWD$0$0 
AWD  $1700
Accessories 
AC power outlet$100  
Adaptive cruise control $600$600
Adaptive cruise control, all-speed$850  
Remote app$25  
Remote start$150  
Tilt/telescoping steering wheel, manual$250  
Tilt/telescoping steering wheel, power $350$350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0
Blind spot warning system$200  
Cross-traffic warning, rear$100  
Following distance indicator$25  
Forward collision warning$200  
Full-size spare tire $225$225
Radar- or camera-based collision preparation system$0  
Rollover sensor$50  
Temporary spare tire$150  
Vehicle health reports$0  
Cargo Management 
Cargo mat $40$40
Ski sack $50$50
Storage compartment under front seat(s) $50$50
Climate Control 
Automatic air recirculation $100$100
Heated windshield washer nozzles $15$15
Rain-sensing wipers $175$175
Residual heat $50$50
Variable intermittent wipers$75  
Exterior 
Active grille shutters$0  
Bodyside moldings $75$75
Infotainment 
4G LTE connectivity$0  
App support$0  
Aux input$50  
Bluetooth audio streaming$25  
CD changer, remote $200$200
CD player$125  
iPod integration $100$100
Siri Eyes Free support$0  
SMS text-to-speech reader$25  
Surround sound $250$250
Telematics service, such as OnStar, with navigation$225  
USB port$25  
Voice control for external devices$0  
Wi-Fi hotspot$50  
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75
Auto-dimming passenger-side mirror $75$75
Fog light, rear $100$100
Headlight washers $50$50
Mirror tilt-down in reverse $25$25
Power-folding mirrors $50$50
Steering-linked headlights $150$150
Seats and Interior Trim 
Heated second row seats $200$200
Leather door panel trim  $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
Total Value of Features$4,000$4,705$6,655
Value of Feature Adjustments$0$705$2,655
Value of Feature Adjustments0-656-2,470

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Specifications Comparison: Buick Regal vs. Audi A6 / S6

Model Year20152008
ModelRegalA6 / S6
Body4dr Sedan4dr Sedan
Wheelbase107.8 in111.9 in
Length190.2 in193.5 in
Width73.1 in73.1 in
Height58.4 in57.5 in
Curb Weight3,693 lb.4,013 lb.
Fuel Capacity18.0 gal.21.1 gal.
Row 1 Headroom38.8 in38.7 in
Row 1 Shoulder Room56.7 in57.1 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 in55.9 in
Row 2 Hip Room52.3 in0.0 in
Row 2 Legroom37.3 in36.9 in
Cargo Volume14.2 ft315.9 ft3

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Option Package Details
Buick Regal

Premium II Package
FeatureValueRequested?
Navigation system600Yes
Rear side airbags300Yes
Xenon HID headlights500Yes
Bose, 9 speakers (with subwoofer)350No
Voice control for nav and audio75Yes
Speed limit information0No
Power tilt adjuster, passenger seat100Yes
Obstacle detection, rear250Yes
Heated steering wheel100Yes
AC power outlet100No
Remote start150No
Proximity key250Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power lumbar adjuster, passenger seat100Yes
Universal garage door opener100Yes
Total Requested257581%
Total Not Requested60019%
Driver Confidence Package
FeatureValueRequested?
Memory system, driver seat200Yes
Lane departure warning system200Yes
Blind spot warning system200No
Rear cross-traffic detection100No
Forward collision warning200No
Following distance indicator25No
Total Requested40043%
Total Not Requested52557%

Option Package Details
Audi A6 / S6 A6 3.2

245/40YR18 tires
FeatureValueRequested?
245/40YR18 tires400No
Chrome-plated alloy wheels500Yes
Total Requested50056%
Total Not Requested40044%
Premium Package
FeatureValueRequested?
Bose, 330W, 13 speakers (with subwoofer)350No
Storage compartment under front seat(s)50No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Heated front seats200Yes
Sunroof900Yes
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Surround sound250No
Total Requested195070%
Total Not Requested85030%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Tilt/telescoping steering wheel, power100No
Universal garage door opener100Yes
Steering-linked headlights150No
Obstacle detection, rear250Yes
Rearview camera200Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested150086%
Total Not Requested25014%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200No
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Total Requested20044%
Total Not Requested25056%

Option Package Details
Audi A6 / S6 A6 4.2

245/40YR18 tires
FeatureValueRequested?
245/40YR18 tires400No
Chrome-plated alloy wheels500Yes
Total Requested50056%
Total Not Requested40044%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested1400100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200No
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Total Requested20044%
Total Not Requested25056%

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