Audi A4 / S4 Audi A4 / S4 2022 Buick Regal Buick Regal 2018
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Audi A4 / S4 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 A4 / S4 vs. Buick Regal Invoice Comparison

Lowest Total Price: $45,180

Buick Regal GS   
Difference: $17,335

Lowest Total Invoice: $43,148

Buick Regal GS   
Difference: $15,687

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  Down Payment Interest Rate Term
Model Year20222018
ModelA4 / S4Regal
TrimS4GS
Body4dr Sedan4dr Hatch
Base Price $51,900 $39,065
Base Invoice $48,787 $37,502
Premium Plus Package 3,600  
S Sport Package 2,500  
Warm Weather Package 700  
Navigation Package 1,500  
Cargo organizer 80 140
All-weather floor mats 195 140
Rear side airbags 350  
Metallic paint (extra cost) 595 395
Appearance Package   485
Sights and Sounds Package   945
Driver Confidence Package #2   1,690
Illuminated door sill trim plates   395
Sunroof   1,000
Premium Plus Package 3,384  
S Sport Package 2,351  
Warm Weather Package 659  
Navigation Package 1,411  
Cargo organizer 75 127
All-weather floor mats 184 127
Rear side airbags 329  
Metallic paint (extra cost) 560 359
Appearance Package   441
Sights and Sounds Package   860
Driver Confidence Package #2   1,538
Illuminated door sill trim plates   359
Sunroof   910
Options (change) 9,520 5,190
Options (change) 8,953 4,721
Destination 1,095 925
Total Price $62,515 $45,180
Total Invoice $58,835 $43,148

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

Dealer Price Quotes

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Request free, no-obligation Audi A4 / S4 dealer quotes or Buick Regal dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 vs. Buick Regal

Lowest Adjusted Price and Invoice: Buick Regal GS
TrueDelta Adjusted Price Difference: $15,190
TrueDelta Adjusted Invoice Difference: $13,668
Model Year20222018
ModelA4 / S4Regal
TrimS4GS
Body4dr Sedan4dr Hatch
Engine349hp V6310hp V6
TransmissionT8T9
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)180, 10?, 8
Tire (rear if not all the same)245/40-18245/40-19
Total Price$62,515$45,180
Adjustments for Features-2,1450
Feature-Adjusted Total Price$60,370$45,180
Total Invoice$58,835$43,148
Adjustments for Features-2,0190
Feature-Adjusted Total Invoice$56,816$43,148

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Features Comparison: Audi A4 / S4 vs. Buick Regal

Model Year20222018
ModelA4 / S4Regal
TrimS4GS
Body4dr Sedan4dr Hatch
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
9-speed manually-shiftable automatic $1400
AWD$1700$1700
Accessories 
Active noise reduction $0
Adaptive cruise control, all-speed $850
Adaptive cruise control, all-speed, topography and road sign aware$1100 
Low-speed semi-autonomous driving$100 
Remote app $25
Remote start $150
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
Around view cameras$500 
Collision preparation system, rear$100 
Driver drowsiness monitor$150 
Evasive maneuver assist$200 
Lane departure prevention, steering-based $200
Lane keeping assist$400 
Rearview camera $200
Safety key $5
Secondary collision brake assist$25 
Temporary spare tire$150 
Torque vectoring, brake-based$100 
Turn assist$25 
Vehicle exit assist$25 
Vehicle health reports $0
Wide-view front camera$150 
Wide-view rear camera$0 
Cargo Management 
Air-conditioned storage compartment$50 
Cargo cover $75
Cargo net $40
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear air vents $100
Rear air vents with automatic controls$250 
Variable intermittent wipers $75
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Body kit $0
Laminated front side windows $200
Infotainment 
Alexa integration$0 
App support $0
Aux input $50
Handwriting recognition$200 
In-vehicle Internet$150 
SMS text-to-speech reader $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Traffic information$25 
Traffic light information$50 
Voice control for external devices $0
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror$75 
Boost gauge$75 
Cornering lights $50
Fog light, rear$100 
Fog lights$125 
Head-up display (HUD) $350
Performance meter $150
Power-folding mirrors$50 
Predictive efficiency assist$0 
Road sign information$75 
Seats and Interior Trim 
Massage, driver seat $100
Massage, passenger seat $100
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Upholstered door armrests (optional)$0 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$8,415$6,270
Value of Feature Adjustments$2,145$0
Value of Feature Adjustments-2,0190

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See a complete comparison of Audi A4 / S4 vs. Buick Regal features.

Specifications Comparison: Audi A4 / S4 vs. Buick Regal

Model Year20222018
ModelA4 / S4Regal
Body4dr Sedan4dr Hatch
Wheelbase111.0 in111.4 in
Length187.5 in192.9 in
Width72.7 in73.3 in
Height56.2 in57.3 in
Curb Weight3,683 lb.4,082 lb.
Fuel Capacity15.3 gal.16.3 gal.
Row 1 Headroom37.3 in38.8 in
Row 1 Shoulder Room55.9 in56.9 in
Row 1 Hip Room0.0 in55.2 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.4 in37.4 in
Row 2 Shoulder Room54.5 in55.4 in
Row 2 Hip Room0.0 in54.1 in
Row 2 Legroom35.7 in36.9 in
Cargo Volume,
Minimum		12.0 ft331.5 ft3
Cargo Volume,
Maximum		12.060.7 ft3

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See a complete comparison of Audi A4 / S4 vs. Buick Regal specs.

Option Package Details
Audi A4 / S4 S4

Premium Plus Package
FeatureValueRequested?
245/40HR18 tires400No
Around view cameras300No
Wide-view front camera150No
Large color reconfigurable instrument cluster display250Yes
Wide-view rear camera0No
Wireless charging station75Yes
Upholstered door armrests (optional)0No
Vehicle exit assist25No
Memory system, driver seat200Yes
Satellite radio200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Heated steering wheel100Yes
Auto-dimming driver-side mirror75Yes
Alarm100No
Proximity key250Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Blind spot warning system200Yes
Cross-traffic warning, rear100Yes
Collision preparation system, rear100No
Road sign information75No
Turn assist25No
Lane keeping assist400Yes
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 Requested227547%
Total Not Requested255053%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500Yes
Painted brake calipers (optional)0Yes
Total Requested1000100%
Total Not Requested00%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125No
Total Requested30071%
Total Not Requested12529%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75Yes
Traffic information25No
Handwriting recognition200No
Traffic light information50No
Total Requested67571%
Total Not Requested27529%

Option Package Details
Buick Regal GS

Appearance Package
FeatureValueRequested?
Cornering lights50No
LED headlights1000Yes
Wireless charging station75Yes
Total Requested107596%
Total Not Requested504%
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
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Pedestrian detection50Yes
Following distance indicator25Yes
Total Requested177584%
Total Not Requested35016%

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