Buick Regal Buick Regal 2016 Audi A4 / S4 Audi A4 / S4 2018

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

Join Us

Buick Regal vs. Audi A4 / S4 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 A4 / S4 Invoice Comparison

Lowest Total Price: $38,760

Buick Regal GS   
Difference: $10,895

Lowest Total Invoice: $37,056

Buick Regal GS   
Difference: $9,195

Calculate Payments

  Down Payment Interest Rate Term
Model Year2016201820182018
ModelRegalA4 / S4A4 / S4A4 / S4
TrimGSA4 2.0T ultraA4 2.0TS4 3.0T
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $34,065 $36,000 $40,500 $51,400
Base Invoice $32,702 $33,480 $37,666 $47,802
Adaptive cruise control, all-speed 1,195      
Sunroof 1,000      
Driver Confidence Package 1,040      
Metallic paint (extra cost) 395 575 575 575
All-weather floor mats 140 190 190 190
Prestige Package   6,300   4,400
Premium Plus Package   3,200 3,200  
Sport Package   750    
Carbon fiber rear spoiler   995    
Rear side airbags   350 350 350
Metal pedals   240    
Cargo net   80 80 80
Navigation and Telematics Package     3,000  
Sport Plus Package     3,400  
Driver Assistance Package       1,800
S Sport Package       2,500
Adaptive cruise control, all-speed 1,087      
Sunroof 910      
Driver Confidence Package 946      
Metallic paint (extra cost) 359 536 536 536
All-weather floor mats 127 177 177 177
Prestige Package   5,860   4,092
Premium Plus Package   2,976 2,976  
Sport Package   698    
Carbon fiber rear spoiler   926    
Rear side airbags   326 326 326
Metal pedals   223    
Cargo net   74 74 74
Navigation and Telematics Package     2,790  
Sport Plus Package     3,162  
Driver Assistance Package       1,674
S Sport Package       2,326
Options (change) 3,770 12,680 10,795 9,895
Options (change) 3,429 11,796 10,041 9,205
Destination 925 975 975 975
Total Price $38,760 $49,655 $52,270 $62,270
Total Invoice $37,056 $46,251 $48,682 $57,982

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 A4 / S4 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 A4 / S4

Lowest Adjusted Price and Invoice: Buick Regal GS
TrueDelta Adjusted Price Difference: $5,865
TrueDelta Adjusted Invoice Difference: $4,510
Model Year2016201820182018
ModelRegalA4 / S4A4 / S4A4 / S4
TrimGSA4 2.0T ultraA4 2.0TS4 3.0T
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine259hp I4190hp I4252hp I4354hp V6
TransmissionT6S7S7T8
DrivetrainFWDFWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 9755, 19755, 19755, 19
Tire (rear if not all the same)245/40-19245/40-18245/40-18245/40-18
Total Price$38,760$49,655$52,270$62,270
Adjustments for Features0-5,030-4,705-8,655
Feature-Adjusted Total Price$38,760$44,625$47,565$53,615
Cost Above Minimum$0$0$2,940$8,990
Total Invoice$37,056$46,251$48,682$57,982
Adjustments for Features0-4,685-4,382-8,059
Feature-Adjusted Total Invoice$37,056$41,566$44,300$49,923
Cost Above Minimum$0$0$2,734$8,357

Return to top

Features Comparison: Buick Regal vs. Audi A4 / S4

Model Year2016201820182018
ModelRegalA4 / S4A4 / S4A4 / S4
TrimGSA4 2.0T ultraA4 2.0TS4 3.0T
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
7-speed automated manual $1200$1200 
8-speed manually-shiftable automatic   $1300
FWD$0$0  
AWD  $1700$1700
Accessories 
AC power outlet$100   
Adaptive cruise control, all-speed$850   
Adaptive cruise control, all-speed, topography and road sign aware $1100 $1100
Cruise control  $150 
Heated steering wheel$100   
Low-speed semi-autonomous driving $100 $100
Remote start$150   
Brakes, Airbags, and Other Safety 
Around view cameras $500 $500
Automatic braking, high-speed or partial $200$200$200
Automatic braking, low-speed $200$200$200
Collision preparation system, rear $100$100$100
Driver drowsiness monitor $150$150$150
Evasive maneuver assist $200 $200
Following distance indicator$25$25 $25
Knee airbag, driver $75$75$75
Knee airbag, passenger $75$75$75
Lane departure warning$200$200 $200
Lane keeping assist $400 $400
Pedestrian detection $50$50$50
Rearview camera$200 $200 
Secondary collision brake assist $25$25$25
Temporary spare tire $150$150$150
Torque vectoring, brake-based $100$100$100
Turn assist $25 $25
Vehicle exit assist $25$25$25
Vehicle health reports$0   
Wide-view front camera $150 $150
Wide-view rear camera $0 $0
Cargo Management 
Air-conditioned storage compartment $50$50$50
Rear seat pass-through$100   
Climate Control 
Automatic air recirculation $100$100$100
Heated windshield washer nozzles $15$15$15
Rain-sensing wipers $175$175$175
Rear air vents$100   
Rear air vents with automatic controls $250$250$250
Variable intermittent wipers$75   
Drivetrain 
Active rear differential   $500
Engine / Motor 
Automatic start / stop $150$150$150
Regenerative braking $0$0$0
Exterior 
Active grille shutters$0   
Carbon fiber rear spoiler $300  
Laminated front side windows $200 $200
Painted brake calipers (optional)   $0
Rear spoiler$200  $200
Infotainment 
App support$0   
CD player$125   
CD player, remote $100$100$100
DVD-compatible player $0$0$0
Handwriting recognition $200$200$200
HD radio $50$50$50
In-vehicle Internet $150$150$150
Media drive $15$15$15
SD Card slot $25$25$25
SMS text-to-speech reader$25   
Surround sound $250$250$250
Telematics service, such as OnStar $200$200$200
Telematics service, such as OnStar, with navigation$225   
Traffic + travel information $25$25$25
Voice control for external devices$0   
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75$75
Auto-dimming headlights $200 $200
Auto-dimming passenger-side mirror $75$75$75
Boost gauge   $75
Fog light, rear $100$100$100
Fog lights $125$125$125
Head-up display (HUD) $350 $350
Interior ambient lighting$150 $150 
Interior ambient lighting, configurable $150 $150
LED headlights $1000$1000$1000
Performance meter$150   
Power-folding mirrors $50 $50
Predictive efficiency assist $0 $0
Road sign information $75 $75
Xenon HID headlights$500   
Seats and Interior Trim 
Aluminum trim $100$100$100
Door sill trim plates$100$100$100 
Illuminated door sill trim plates   $200
Manual thigh support length adjuster, driver seat $50$50$50
Manual thigh support length adjuster, passenger seat $50$50$50
Massage, driver seat   $100
Massage, passenger seat   $100
Power 4-way lumbar adjuster, driver seat $150$150$150
Power 4-way lumbar adjuster, passenger seat $150$150$150
Power lumbar adjuster, driver seat$100   
Power lumbar adjuster, passenger seat$100   
Power seatback bolsters, driver seat   $100
Power seatback bolsters, passenger seat   $100
Synthetic suede door panel trim   $250
Synthetic suede inserts in leather seating surfaces  $0$0
Upholstered door armrests (optional) $0$0$0
Suspension, Wheels, and Tires 
Active steering  $1000 
Adaptive dampers - electrical$500 $500$500
Transmission 
Launch control   $100
Steering-wheel-mounted transmission controls $100$100$100
Total Value of Features$5,175$10,205$9,880$13,830
Value of Feature Adjustments$0$5,030$4,705$8,655
Value of Feature Adjustments0-4,685-4,382-8,059

Return to top

Specifications Comparison: Buick Regal vs. Audi A4 / S4

Model Year20162018
ModelRegalA4 / S4
Body4dr Sedan4dr Sedan
Wheelbase107.8 in111.0 in
Length190.2 in186.1 in
Width73.1 in72.5 in
Height58.4 in56.2 in
Curb Weight3,693 lb.3,451 lb.
Fuel Capacity18.0 gal.16.9 gal.
Row 1 Headroom38.8 in38.9 in
Row 1 Shoulder Room56.7 in55.9 in
Row 1 Hip Room55.4 in0.0 in
Row 1 Legroom42.1 in41.3 in
Row 2 Headroom36.8 in37.4 in
Row 2 Shoulder Room54.4 in54.5 in
Row 2 Hip Room52.3 in0.0 in
Row 2 Legroom37.3 in35.7 in
Cargo Volume14.2 ft313.0 ft3

Return to top

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 detection100Yes
Forward collision warning200Yes
Following distance indicator25Yes
Total Requested925100%
Total Not Requested00%

Option Package Details
Audi A4 / S4 A4 2.0T ultra

Prestige Package
FeatureValueRequested?
Head-up display (HUD)350No
Laminated front side windows200No
Power-folding mirrors50No
Around view cameras300No
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable0No
Upholstered door armrests (optional)0No
Auto-dimming headlights200No
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400No
Following distance indicator25Yes
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Large color reconfigurable instrument cluster display250Yes
Telematics service, such as OnStar200Yes
Handwriting recognition200No
Remote app25Yes
4G LTE connectivity0Yes
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
HD radio50No
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50Yes
Total Requested142529%
Total Not Requested344071%
Premium Plus Package
FeatureValueRequested?
Telematics service, such as OnStar200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Surround sound250No
245/40HR18 tires400No
HD radio50No
Blind spot warning system200Yes
LED headlights500No
Cross-traffic warning, rear100Yes
Collision preparation system, rear100No
Vehicle exit assist25No
Bang & Olufsen, 755W, 19 speakers (with subwoofer)350No
Memory system, driver seat200Yes
Satellite radio200Yes
Auto-dimming driver-side mirror75No
Alarm100No
Proximity key250Yes
Auto-dimming passenger-side mirror75No
Total Requested155045%
Total Not Requested192555%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Manual thigh support length adjuster, driver seat50No
Power 4-way lumbar adjuster, passenger seat150No
Manual thigh support length adjuster, passenger seat50No
Front sport buckets100Yes
Dark-colored headliner (optional)0No
Total Requested35058%
Total Not Requested25042%

Option Package Details
Audi A4 / S4 A4 2.0T

Premium Plus Package
FeatureValueRequested?
Telematics service, such as OnStar200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Surround sound250No
245/40HR18 tires400No
HD radio50No
Blind spot warning system200Yes
LED headlights500No
Cross-traffic warning, rear100Yes
Collision preparation system, rear100No
Vehicle exit assist25No
Bang & Olufsen, 755W, 19 speakers (with subwoofer)350No
Memory system, driver seat200Yes
Satellite radio200Yes
Auto-dimming driver-side mirror75No
Alarm100No
Proximity key250Yes
Auto-dimming passenger-side mirror75No
Total Requested155045%
Total Not Requested192555%
Navigation and Telematics Package
FeatureValueRequested?
Large color reconfigurable instrument cluster display250Yes
Telematics service, such as OnStar200Yes
Handwriting recognition200No
Remote app25Yes
Speed limit information0No
4G LTE connectivity0Yes
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
HD radio50No
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50Yes
Total Requested120073%
Total Not Requested44027%
Sport Plus Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Synthetic suede inserts in leather seating surfaces0No
Active steering1000No
Metal pedals75Yes
245/40YR18 tires400No
Upholstered door armrests (optional)0No
Sport suspension (upgrade)250Yes
Manual thigh support length adjuster, driver seat50No
Power 4-way lumbar adjuster, passenger seat150No
Manual thigh support length adjuster, passenger seat50No
Dark-colored headliner (optional)0No
Front sport buckets100Yes
Total Requested92536%
Total Not Requested165064%

Option Package Details
Audi A4 / S4 S4 3.0T

Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200No
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400No
Following distance indicator25Yes
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Total Requested22510%
Total Not Requested195090%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350No
Laminated front side windows200No
Around view cameras300No
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable0No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250Yes
Handwriting recognition200No
Remote app25Yes
Speed limit information0No
4G LTE connectivity0Yes
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50Yes
Total Requested100042%
Total Not Requested139058%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

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.