Audi A4 / S4 Audi A4 / S4 2006 Buick Regal Buick Regal 2011

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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: $34,160

Buick Regal CXL Turbo   
Difference: $3,175

Lowest Total Invoice: $32,472

Buick Regal CXL Turbo   
Difference: $1,915

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620062011
ModelA4 / S4A4 / S4A4 / S4Regal
TrimA4 2.0TA4 3.2S4CXL Turbo
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $28,240 $34,490 $46,400 $28,860
Base Invoice $26,043 $31,811 $42,758 $27,705
Premium Package 1,850 1,050 2,900  
Sunroof 1,400 1,000    
Technology Package 1,275 1,275    
Metallic paint (extra cost) 450 450 450  
Bluetooth cell phone link 500 500 500  
Tire-pressure monitor 250 250 250  
Obstacle detection, rear 350 350 350  
Rear side airbags 350 350 350  
Navigation system 1,950 1,950 1,950  
Bose 215W 10 speakers     1,000  
Preferred Equipment Group T04       4,440
Premium Package 1,684 956 2,639  
Sunroof 1,274 910    
Technology Package 1,160 1,160    
Metallic paint (extra cost) 410 410 410  
Bluetooth cell phone link 455 455 455  
Tire-pressure monitor 228 228 228  
Obstacle detection, rear 319 319 319  
Rear side airbags 319 319 319  
Navigation system 1,775 1,775 1,775  
Bose 215W 10 speakers     910  
Preferred Equipment Group T04       3,907
Options (change) 8,375 7,175 7,750 4,440
Options (change) 7,624 6,532 7,055 3,907
Destination 720 720 720 860
Gas Tax 0 0 1,700 0
Total Price $37,335 $42,385 $56,570 $34,160
Total Invoice $34,387 $39,063 $52,233 $32,472

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

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

Lowest Adjusted Price and Invoice: Buick Regal CXL Turbo
TrueDelta Adjusted Price Difference: $3,950
TrueDelta Adjusted Invoice Difference: $2,652
Model Year2006200620062011
ModelA4 / S4A4 / S4A4 / S4Regal
TrimA4 2.0TA4 3.2S4CXL Turbo
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine200hp I4255hp V6340hp V8220hp I4
TransmissionM6CVT-7M6T6
DrivetrainFWDFWDAWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)150, 10150, 10215, 10320, 9
Tire (rear if not all the same)235/45-17235/45-17235/40-18235/50-18
Total Price$37,335$42,385$56,570$34,160
Adjustments for Features0-1,150-2,350-775
Feature-Adjusted Total Price$37,335$41,235$54,220$33,385
Cost Above Minimum$0$3,900$16,885$0
Total Invoice$34,387$39,063$52,233$32,472
Adjustments for Features0-1,060-2,170-737
Feature-Adjusted Total Invoice$34,387$38,003$50,063$31,735
Cost Above Minimum$0$3,616$15,676$0

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Features Comparison: Audi A4 / S4 vs. Buick Regal

Model Year2006200620062011
ModelA4 / S4A4 / S4A4 / S4Regal
TrimA4 2.0TA4 3.2S4CXL Turbo
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 $150 
7-speed manually-shiftable CVT $1100  
6-speed manually-shiftable automatic   $1100
FWD$0$0 $0
AWD  $1700 
Accessories 
AC power outlet   $100
Universal garage door opener$100$100$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0  
Rollover sensor   $50
Cargo Management 
Rear seat pass-through   $100
Storage compartment under front seat(s)$50$50  
Climate Control 
Heated windshield washer nozzles$15$15$15 
Rain-sensing wipers$175$175$175 
Rear air vents   $100
Variable intermittent wipers   $75
Exterior 
Bodyside moldings$75$75$75 
Rear spoiler  $200 
Infotainment 
Aux input   $50
CD changer, remote$200$200$200 
CD player   $125
DVD-compatible player   $0
Media drive   $15
MP3-compatible player   $50
Satellite radio  $200$200
Telematics service, such as OnStar, with navigation   $225
Voice control for nav and audio   $100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75 
Auto-dimming passenger-side mirror$75$75$75 
Fog light, rear$100$100$100 
Headlight washers  $50 
Power-folding mirrors$50$50$50 
Steering-linked headlights$150$150$150 
Seats and Interior Trim 
Aluminum trim$100   
Manual thigh support length adjuster, driver seat  $50 
Memory system, driver seat$200$200$200 
Wood trim $300$300 
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade)  $0 
Total Value of Features$1,515$2,665$3,865$2,290
Value of Feature Adjustments$0$1,150$2,350$775
Value of Feature Adjustments0-1,060-2,170-737

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Specifications Comparison: Audi A4 / S4 vs. Buick Regal

Model Year20062011
ModelA4 / S4Regal
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.18.0 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 ft314.2 ft3

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Option Package Details
Audi A4 / S4 A4 2.0T

Premium Package
FeatureValueRequested?
235/45HR17 tires400No
Heated front seats200Yes
Universal garage door opener100No
Rain-sensing wipers100No
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Total Requested77549%
Total Not Requested80051%
Technology Package
FeatureValueRequested?
Automatic headlights125Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200No
Total Requested62564%
Total Not Requested35036%

Option Package Details
Audi A4 / S4 A4 3.2

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100No
Rain-sensing wipers100No
235/45HR17 tires400No
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested47537%
Total Not Requested80063%
Technology Package
FeatureValueRequested?
Automatic headlights125Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200No
Total Requested62564%
Total Not Requested35036%

Option Package Details
Audi A4 / S4 S4

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Sunroof900Yes
Universal garage door opener100No
Rain-sensing wipers100No
Automatic headlights125Yes
Steering-linked headlights150No
Alloy wheels, optional design0No
Memory system, driver seat200No
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested137565%
Total Not Requested75035%

Option Package Details
Buick Regal CXL Turbo

Preferred Equipment Group T04
FeatureValueRequested?
Rear side airbags300Yes
Sunroof900Yes
Xenon HID headlights500Yes
Harman/Kardon, 320W, 9 speakers (with subwoofer)350No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Total Requested230083%
Total Not Requested46517%

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