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

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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: $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 Year200820082015
ModelA6 / S6A6 / S6Regal
TrimA6 3.2A6 4.2Base
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $42,950 $56,300 $29,990
Base Invoice $39,943 $52,361 $28,790
Technology Package 4,100 3,450  
Premium Package 3,550    
Cold Weather Package 600 600  
245/40YR18 1,180 1,180  
iPod integration 290 290  
Lane departure warning 900 900  
Rear side airbags 350 350  
Adaptive cruise control 2,000 2,000  
Premium II Package     4,110
Adaptive cruise control, all-speed     1,195
Sunroof     1,000
Driver Confidence Package     1,040
Chrome-plated alloy wheels     1,000
Technology Package 3,813 3,208  
Premium Package 3,302    
Cold Weather Package 557 557  
245/40YR18 1,098 1,098  
iPod integration 225 225  
Lane departure warning 838 838  
Rear side airbags 325 325  
Adaptive cruise control 1,860 1,860  
Premium II Package     3,946
Adaptive cruise control, all-speed     1,052
Sunroof     880
Driver Confidence Package     915
Chrome-plated alloy wheels     880
Options (change) 12,970 8,770 8,345
Options (change) 12,018 8,111 7,673
Destination 775 775 925
Total Price $56,695 $65,845 $39,260
Total Invoice $52,736 $61,247 $37,388

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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: Audi A6 / S6 vs. Buick Regal

Lowest Adjusted Price and Invoice: Buick Regal
TrueDelta Adjusted Price Difference: $16,730
TrueDelta Adjusted Invoice Difference: $14,692
Model Year200820082015
ModelA6 / S6A6 / S6Regal
TrimA6 3.2A6 4.2Base
Body4dr Sedan4dr Sedan4dr Sedan
Engine255hp V6350hp V8259hp I4
TransmissionCVT-7T6T6
DrivetrainFWDAWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)330, 13330, 13?, 9
Tire (rear if not all the same)245/40-18245/40-18235/50-18
Total Price$56,695$65,845$39,260
Adjustments for Features-705-2,6550
Feature-Adjusted Total Price$55,990$63,190$39,260
Cost Above Minimum$0$7,200$0
Total Invoice$52,736$61,247$37,388
Adjustments for Features-656-2,4700
Feature-Adjusted Total Invoice$52,080$58,777$37,388
Cost Above Minimum$0$6,697$0

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Features Comparison: Audi A6 / S6 vs. Buick Regal

Model Year200820082015
ModelA6 / S6A6 / S6Regal
TrimA6 3.2A6 4.2Base
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable CVT$1100  
6-speed manually-shiftable automatic $1100$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$4,705$6,655$4,000
Value of Feature Adjustments$705$2,655$0
Value of Feature Adjustments-656-2,4700

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Specifications Comparison: Audi A6 / S6 vs. Buick Regal

Model Year20082015
ModelA6 / S6Regal
Body4dr Sedan4dr Sedan
Wheelbase111.9 in107.8 in
Length193.5 in190.2 in
Width73.1 in73.1 in
Height57.5 in58.4 in
Curb Weight4,013 lb.3,693 lb.
Fuel Capacity21.1 gal.18.0 gal.
Row 1 Headroom38.7 in38.8 in
Row 1 Shoulder Room57.1 in56.7 in
Row 1 Hip Room0.0 in55.4 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.8 in36.8 in
Row 2 Shoulder Room55.9 in54.4 in
Row 2 Hip Room0.0 in52.3 in
Row 2 Legroom36.9 in37.3 in
Cargo Volume15.9 ft314.2 ft3

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Option Package Details
Audi A6 / S6 A6 3.2

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%
Premium Package
FeatureValueRequested?
Bose, 330W, 13 speakers (with subwoofer)350No
Heated front seats200Yes
Sunroof900Yes
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Surround sound250No
Storage compartment under front seat(s)50No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested195070%
Total Not Requested85030%
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

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%

Option Package Details
Buick Regal

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700No
Radar- or camera-based collision preparation system0No
Total Requested00%
Total Not Requested700100%
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 recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power lumbar adjuster, passenger seat100Yes
Universal garage door opener100Yes
Power tilt adjuster, passenger seat100Yes
Obstacle detection, rear250Yes
Heated steering wheel100Yes
AC power outlet100No
Remote start150No
Proximity key250Yes
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%

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