Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 Buick Regal Buick Regal 2013

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Audi A4 / S4 / RS4 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 / RS4 vs. Buick Regal Invoice Comparison

Lowest Total Price: $35,995

Buick Regal Turbo   
Difference: $20,840

Lowest Total Invoice: $34,439

Buick Regal Turbo   
Difference: $18,592

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820132013
ModelA4 / S4 / RS4A4 / S4 / RS4RegalRegal
TrimS4RS4TurboGS
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $48,610 $66,910 $30,635 $34,980
Base Invoice $45,207 $62,227 $29,410 $33,581
Metallic paint (extra cost) 475      
iPod integration 0 0    
Bluetooth cell phone link 500      
Navigation system 1,950   895 895
Convenience Package 2,125      
Obstacle detection, rear 350      
Rear side airbags 350 350    
Premium Package   4,000    
Premium 3 Package     2,580  
Sunroof     1,000 1,000
Metallic paint (extra cost) 443      
iPod integration 0 0    
Bluetooth cell phone link 466      
Navigation system 1,813   788 788
Convenience Package 1,977      
Obstacle detection, rear 325      
Rear side airbags 325 325    
Premium Package   3,720    
Premium 3 Package     2,476  
Sunroof     880 880
Options (change) 5,750 4,350 4,475 1,895
Options (change) 5,349 4,045 4,144 1,668
Destination 775 775 885 885
Gas Tax 1,700 2,100 0 0
Total Price $56,835 $74,135 $35,995 $37,760
Total Invoice $53,031 $69,147 $34,439 $36,134

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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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TrueDelta Value Comparison: Audi A4 / S4 / RS4 vs. Buick Regal

Lowest Adjusted Price and Invoice: Buick Regal Turbo
TrueDelta Adjusted Price Difference: $20,850
TrueDelta Adjusted Invoice Difference: $18,605
Model Year2008200820132013
ModelA4 / S4 / RS4A4 / S4 / RS4RegalRegal
TrimS4RS4TurboGS
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine340hp V8420hp V8220hp I4270hp I4
TransmissionM6M6T6T6
DrivetrainAWDAWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)215, 10215, 10336, 9336, 9
Tire (rear if not all the same)235/40-18255/35-19245/40-19245/40-19
Total Price$56,835$74,135$35,995$37,760
Adjustments for Features-140-1,290-1500
Feature-Adjusted Total Price$56,695$72,845$35,845$37,760
Cost Above Minimum$0$16,150$0$1,915
Total Invoice$53,031$69,147$34,439$36,134
Adjustments for Features-131-1,203-1440
Feature-Adjusted Total Invoice$52,900$67,944$34,295$36,134
Cost Above Minimum$0$15,044$0$1,839

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Features Comparison: Audi A4 / S4 / RS4 vs. Buick Regal

Model Year2008200820132013
ModelA4 / S4 / RS4A4 / S4 / RS4RegalRegal
TrimS4RS4TurboGS
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150  
6-speed manually-shiftable automatic  $1100$1100
AWD$1700$1700  
FWD  $0$0
Accessories 
AC power outlet  $100$100
Heated steering wheel  $100 
Proximity key  $250$250
Remote start  $150$150
Sunshade, rear, power $225  
Sunshades, second row $125  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0  
Full-size spare tire$225$225  
Obstacle detection, front   $150
Rollover sensor  $50$50
Temporary spare tire  $150 
Cargo Management 
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  
Rear air vents  $100$100
Variable intermittent wipers  $75$75
Exterior 
Body kit $0 $0
Bodyside moldings$75$75  
Rear spoiler$200$200  
Infotainment 
App support  $0$0
Aux input  $50$50
Bluetooth audio streaming  $25$25
CD player  $125$125
iPod integration$100$100  
SD Card slot$25$25  
Surround sound  $250$250
Telematics service, such as OnStar, with navigation  $225$225
USB port  $25$25
Voice control for external devices  $0$0
Voice control for nav and audio  $100$100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75  
Auto-dimming passenger-side mirror$75$75  
Fog light, rear$100$100  
Fog lights$125$125$125 
Headlight washers$50$50  
Power-folding mirrors$50$50  
Steering-linked headlights$150$150  
Seats and Interior Trim 
Aluminum trim$100   
Carbon fiber trim $200  
Heated second row seats $200  
Leather door panel trim$250$250  
Manual thigh support length adjuster, driver seat$50$50  
Memory system, driver seat$200$200  
Metal pedals   $75
Power fore-aft adjuster, driver seat  $100$100
Power height adjuster, driver seat  $100$100
Power recliner, driver seat  $100$100
Power tilt adjuster, driver seat  $100$100
Suspension, Wheels, and Tires 
Adaptive dampers - electrical  $500$500
Electronic systems calibration selector  $200$200
Hydraulically cross-linked dampers $500  
Sport suspension (upgrade)   $0
Ultra-sport suspension (upgrade)$0$0  
Total Value of Features$4,090$5,240$4,100$3,950
Value of Feature Adjustments$140$1,290$150$0
Value of Feature Adjustments-131-1,203-1440

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Specifications Comparison: Audi A4 / S4 / RS4 vs. Buick Regal

Model Year20082013
ModelA4 / S4 / RS4Regal
Body4dr Sedan4dr Sedan
Wheelbase104.3 in107.8 in
Length180.6 in190.2 in
Width69.8 in73.1 in
Height56.2 in58.4 in
Curb Weight3,550 lb.3,601 lb.
Fuel Capacity16.6 gal.15.8 gal.
Row 1 Headroom38.4 in38.8 in
Row 1 Shoulder Room55.1 in56.7 in
Row 1 Hip Room0.0 in55.4 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.2 in36.8 in
Row 2 Shoulder Room53.4 in54.4 in
Row 2 Hip Room0.0 in52.3 in
Row 2 Legroom34.3 in37.3 in
Cargo Volume13.4 ft311.1 ft3

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Option Package Details
Audi A4 / S4 / RS4 S4

Convenience Package
FeatureValueRequested?
Memory system, driver seat200No
Bose, 215W, 10 speakers (with subwoofer)350No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Automatic headlights125Yes
Steering-linked headlights150No
Auto-dimming driver-side mirror75No
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested37527%
Total Not Requested100073%

Option Package Details
Audi A4 / S4 / RS4 RS4

Premium Package
FeatureValueRequested?
Navigation system600Yes
Heated second row seats200No
CD changer, remote-125No
Sunshades, second row125No
Sunshade, rear, power225No
Memory system, driver seat200No
Bose, 215W, 10 speakers (with subwoofer)350No
SD Card slot25No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100No
Automatic headlights125Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested97543%
Total Not Requested130057%

Option Package Details
Buick Regal Turbo

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75No
Speed limit information0No
Total Requested60089%
Total Not Requested7511%
Premium 3 Package
FeatureValueRequested?
Adaptive shocks - electrical500No
245/40WR19 tires400No
Electronic systems calibration selector200No
Rear side airbags300Yes
Xenon HID headlights500Yes
Surround sound250No
Harman/Kardon, 336W, 9 speakers (with subwoofer)350No
Total Requested80032%
Total Not Requested170068%

Option Package Details
Buick Regal GS

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75No
Speed limit information0No
Total Requested60089%
Total Not Requested7511%

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