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

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

Join Us

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: $45,040

Buick Regal GS   
Difference: $20,760

Lowest Total Invoice: $43,021

Buick Regal GS   
Difference: $18,243

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820182018
ModelA6 / S6A6 / S6Regal
TrimA6 3.0TS6 4.0 TFSIGS
Body4dr Sedan4dr Sedan4dr Hatch
Base Price $58,700 $71,900 $39,065
Base Invoice $54,592 $66,868 $37,502
Competition Package 3,000    
Driver Assistance Package 2,000 2,000  
Metallic paint (extra cost) 575 575 395
Rear side airbags 350 350  
All-weather floor mats 200 200 140
Comfort Seating Package   1,850  
Appearance Package     485
Sights and Sounds Package     945
Driver Confidence Package #2     1,690
Illuminated door sill trim plates     395
Sunroof     1,000
Competition Package 2,790    
Driver Assistance Package 1,860 1,860  
Metallic paint (extra cost) 536 536 359
Rear side airbags 325 325  
All-weather floor mats 186 186 127
Comfort Seating Package   1,722  
Appearance Package     441
Sights and Sounds Package     860
Driver Confidence Package #2     1,538
Illuminated door sill trim plates     359
Sunroof     910
Options (change) 6,125 4,975 5,050
Options (change) 5,697 4,629 4,594
Destination 975 975 925
Total Price $65,800 $77,850 $45,040
Total Invoice $61,264 $72,472 $43,021

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 Audi A6 / S6 dealer quotes or Buick Regal 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: Audi A6 / S6 vs. Buick Regal

Lowest Adjusted Price and Invoice: Buick Regal GS
TrueDelta Adjusted Price Difference: $21,310
TrueDelta Adjusted Invoice Difference: $18,768
Model Year201820182018
ModelA6 / S6A6 / S6Regal
TrimA6 3.0TS6 4.0 TFSIGS
Body4dr Sedan4dr Sedan4dr Hatch
Engine340hp V6450hp V8310hp V6
TransmissionT8S7T9
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14630, 14?, 8
Tire (rear if not all the same)255/35-20255/35-20245/40-19
Total Price$65,800$77,850$45,040
Adjustments for Features0-2,350-550
Feature-Adjusted Total Price$65,800$75,500$44,490
Cost Above Minimum$0$9,700$0
Total Invoice$61,264$72,472$43,021
Adjustments for Features0-2,188-525
Feature-Adjusted Total Invoice$61,264$70,284$42,496
Cost Above Minimum$0$9,020$0

Return to top

Features Comparison: Audi A6 / S6 vs. Buick Regal

Model Year201820182018
ModelA6 / S6A6 / S6Regal
TrimA6 3.0TS6 4.0 TFSIGS
Body4dr Sedan4dr Sedan4dr Hatch
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300  
7-speed automated manual $1200 
9-speed manually-shiftable automatic  $1400
AWD$1700$1700$1700
Accessories 
Active noise reduction  $0
Heated steering wheel  $100
Remote app  $25
Remote start  $150
Tilt/telescoping steering wheel, manual  $250
Tilt/telescoping steering wheel, power$350$350 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial  $200
Collision preparation system, rear$100$100 
Cross-traffic warning, rear  $100
Following distance indicator  $25
Pedestrian detection  $50
Safety key  $5
Secondary collision brake assist$25$25 
Temporary spare tire$150$150 
Vehicle health reports  $0
Cargo Management 
Cargo cover  $75
Rear seat pass-through$100$100 
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 $500
Engine / Motor 
Automatic start / stop$150$150 
Dual-mode exhaust, switchable $500 
Regenerative braking$0$0 
Exterior 
Black exterior trim (optional)$0  
Body kit  $0
Painted brake calipers (optional)$0 $0
Rear spoiler  $200
Infotainment 
App support  $0
CD player$125$125 
DVD-compatible player$0$0 
Handwriting recognition$200$200 
In-vehicle Internet$150$150 
Media drive$15$15 
MP3-compatible player$50$50 
SD Card slot$25$25 
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
Wireless charging station  $75
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200$200 
Auto-dimming passenger-side mirror$75$75 
Cornering lights  $50
Fog light, rear$100$100 
Head-up display (HUD)  $350
Large color reconfigurable instrument cluster display  $250
Mirror tilt-down in reverse$25$25 
Performance meter  $150
Power-folding mirrors$50$50 
Seats and Interior Trim 
Aluminum trim$100  
Cooled or ventilated front seats $300$300
Leather door panel trim$250$250 
Manual thigh support length adjuster, driver seat  $50
Manual thigh support length adjuster, passenger seat  $50
Massage, driver seat $100$100
Massage, passenger seat $100$100
Memory system, passenger seat $150 
Power seatback bolsters, driver seat $100$100
Power seatback bolsters, passenger seat $100$100
Power thigh bolsters, driver seat $100 
Power thigh bolsters, passenger seat $100 
Power thigh support length adjuster, driver seat $100 
Power thigh support length adjuster, passenger seat $100 
Wood trim $300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical  $500
Air suspension, auto-leveling and height adjustable $1000 
Sport suspension (upgrade)$0$0 
Transmission 
Steering-wheel-mounted transmission controls$100$100 
Total Value of Features$6,830$9,180$7,380
Value of Feature Adjustments$0$2,350$550
Value of Feature Adjustments0-2,188-525

Return to top

Specifications Comparison: Audi A6 / S6 vs. Buick Regal

Model Year20182018
ModelA6 / S6Regal
Body4dr Sedan4dr Hatch
Wheelbase114.6 in111.4 in
Length194.2 in192.9 in
Width73.8 in73.3 in
Height57.8 in57.3 in
Curb Weight3,804 lb.4,082 lb.
Fuel Capacity19.8 gal.16.3 gal.
Row 1 Headroom37.2 in38.8 in
Row 1 Shoulder Room57.5 in56.9 in
Row 1 Hip Room0.0 in55.2 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.8 in37.4 in
Row 2 Shoulder Room56.3 in55.4 in
Row 2 Hip Room0.0 in54.1 in
Row 2 Legroom37.4 in36.9 in
Cargo Volume,
Minimum
14.1 ft331.5 ft3
Cargo Volume,
Maximum
14.160.7 ft3

Return to top

Option Package Details
Audi A6 / S6 A6 3.0T

Competition Package
FeatureValueRequested?
Front sport buckets100Yes
Aluminum trim100No
Active rear differential500Yes
Painted brake calipers (optional)0Yes
255/35YR20 tires400No
Dark-colored headliner (optional)0No
Leather door panel trim250No
Sport suspension (upgrade)250No
Upgraded leather upholstery0No
Power 4-way lumbar adjuster, passenger seat150Yes
Metal pedals75Yes
Black exterior trim (optional)0No
Total Requested82545%
Total Not Requested100055%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200No
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Total Requested150088%
Total Not Requested20012%

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 warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Total Requested150088%
Total Not Requested20012%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support length adjuster, driver seat100No
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh support length adjuster, passenger seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Memory system, passenger seat150No
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested70056%
Total Not Requested55044%

Option Package Details
Buick Regal GS

Appearance Package
FeatureValueRequested?
Cornering lights50No
LED headlights1000Yes
Wireless charging station75No
Total Requested100089%
Total Not Requested12511%
Sights and Sounds Package
FeatureValueRequested?
Navigation system600Yes
Bose, 8 speakers (with subwoofer)350No
Voice control for nav and audio75Yes
HD radio50Yes
Speed limit information0No
Total Requested72567%
Total Not Requested35033%
Driver Confidence Package #2
FeatureValueRequested?
Head-up display (HUD)350No
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Pedestrian detection50No
Following distance indicator25No
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Total Requested150071%
Total Not Requested62529%

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 and Wagons.
See TrueDelta's information for all Audi models.