Buick Regal Buick Regal 2018 Audi A6 / S6 Audi A6 / S6 2008

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $41,550

Buick Regal TourX Essence   
Difference: $19,315

Lowest Total Invoice: $39,644

Buick Regal TourX Essence   
Difference: $16,972

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182008
ModelRegalA6 / S6
TrimTourX EssenceA6 3.2 Avant
Body4dr Wagon4dr Wagon
Base Price $35,020 $49,000
Base Invoice $33,619 $45,570
Driver Confidence Package #1 1,725  
Driver Confidence Package #2 1,190  
Sights and Sounds Package 1,095  
Metallic paint (extra cost) 395  
Panoramic sunroof 1,200  
Premium Package   2,550
Technology Package   4,100
iPod integration   290
Rear side airbags   350
Laminated front side windows   900
Lane departure warning   900
Adaptive cruise control   2,000
Driver Confidence Package #1 1,570  
Driver Confidence Package #2 1,083  
Sights and Sounds Package 996  
Metallic paint (extra cost) 359  
Panoramic sunroof 1,092  
Premium Package   2,372
Technology Package   3,813
iPod integration   225
Rear side airbags   325
Laminated front side windows   838
Lane departure warning   838
Adaptive cruise control   1,860
Options (change) 5,605 11,090
Options (change) 5,100 10,271
Destination 925 775
Total Price $41,550 $60,865
Total Invoice $39,644 $56,616

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Buick Regal dealer quotes or Audi A6 / S6 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Buick Regal TourX Essence
TrueDelta Adjusted Price Difference: $22,150
TrueDelta Adjusted Invoice Difference: $19,677
Model Year20182008
ModelRegalA6 / S6
TrimTourX EssenceA6 3.2 Avant
Body4dr Wagon4dr Wagon
Engine250hp I4255hp V6
TransmissionT8T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)?, 8270, 13
Tire (rear if not all the same)235/50-18245/40-18
Total Price$41,550$60,865
Adjustments for Features-2,8350
Feature-Adjusted Total Price$38,715$60,865
Total Invoice$39,644$56,616
Adjustments for Features-2,7050
Feature-Adjusted Total Invoice$36,939$56,616

Return to top

Features Comparison: Buick Regal vs. Audi A6 / S6

Model Year20182008
ModelRegalA6 / S6
TrimTourX EssenceA6 3.2 Avant
Body4dr Wagon4dr Wagon
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manually-shiftable automatic $1100
AWD$1700$1700
Accessories 
Active noise reduction$0 
Adaptive cruise control $600
Adaptive cruise control, all-speed$850 
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 
Active or whiplash-reducing head restraints, front seats $0
Automatic braking, high-speed or partial$200 
Automatic braking, low-speed$200 
Blind spot warning system$200 
Cross-traffic warning, rear$100 
Following distance indicator$25 
Forward collision warning$200 
Full-size spare tire $225
Knee airbag, driver$75 
Knee airbag, passenger$75 
Lane departure prevention, steering-based$200 
Pedestrian detection$50 
Radar- or camera-based collision preparation system$0 
Rollover sensor$50 
Safety key$5 
Vehicle health reports$0 
Cargo Management 
Cargo area partition net $40
Cargo mat $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
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 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, remote $200
HD radio$50 
iPod integration $100
MP3-compatible player $50
SMS text-to-speech reader$25 
Surround sound $250
Telematics service, such as OnStar, with navigation$225 
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
Cornering lights$50 
Fog light, rear $100
Headlight washers $50
Large color reconfigurable instrument cluster display$250 
LED headlights$1000 
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Xenon HID headlights $500
Seats and Interior Trim 
Wood trim $300
Total Value of Features$10,105$7,270
Value of Feature Adjustments$2,835$0
Value of Feature Adjustments-2,7050

Return to top

Specifications Comparison: Buick Regal vs. Audi A6 / S6

Model Year20182008
ModelRegalA6 / S6
Body4dr Wagon4dr Wagon
Wheelbase111.4 in111.9 in
Length196.3 in194.2 in
Width73.3 in73.1 in
Height58.4 in58.2 in
Curb Weight4,240 lb.4,168 lb.
Fuel Capacity16.3 gal.21.1 gal.
Row 1 Headroom38.8 in37.6 in
Row 1 Shoulder Room56.9 in57.1 in
Row 1 Hip Room55.2 in0.0 in
Row 1 Legroom42.1 in41.3 in
Row 2 Headroom39.6 in38.0 in
Row 2 Shoulder Room55.4 in55.9 in
Row 2 Hip Room54.1 in0.0 in
Row 2 Legroom36.9 in36.9 in
Cargo Volume,
Minimum
32.7 ft333.9 ft3
Cargo Volume,
Maximum
73.5 ft358.6 ft3

Return to top

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, rear250Yes
Cornering lights50No
Blind spot warning system200No
LED headlights1000No
Cross-traffic warning, rear100No
Total Requested75032%
Total Not Requested162568%
Driver Confidence Package #2
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Lane departure warning200Yes
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Automatic braking, high-speed or partial200No
Forward collision warning200No
Lane departure prevention, steering-based200No
Pedestrian detection50No
Following distance indicator25No
Total Requested20011%
Total Not Requested157589%
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%

Option Package Details
Audi A6 / S6 A6 3.2 Avant

Premium Package
FeatureValueRequested?
Power liftgate350Yes
Bose, 270W, 13 speakers (with subwoofer)350No
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Surround sound250No
Storage compartment under front seat(s)50No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested127562%
Total Not Requested77538%
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%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans, Hatchbacks, and Wagons.
See TrueDelta's information for all Buick models.