Audi A4 / S4 Audi A4 / S4 2006 BMW Z4 BMW Z4 2009

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Audi A4 / S4 vs. BMW Z4 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. BMW Z4 Invoice Comparison

Lowest Total Price: $51,535

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $4,435

Lowest Total Invoice: $47,578

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $3,887

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620092009
ModelA4 / S4A4 / S4Z4Z4
TrimA4 3.0 CabrioletS4 CabrioletsDrive30isDrive35i
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $45,490 $54,640 $45,750 $51,650
Base Invoice $42,010 $50,256 $42,090 $47,520
Premium Package 1,825 1,775 3,900 2,500
Metallic paint (extra cost) 450 450 550 550
Tire-pressure monitor 250 250    
Obstacle detection, rear 350 350 750 750
Navigation system 1,950 1,950 2,100 2,100
Bluetooth cell phone link 500 500    
Audio controls on steering wheel   150    
Bose 215W 9 speakers   1,000    
Cold Weather Package     1,000 1,000
Wood trim     500  
Satellite radio - one year subscription     595 595
Premium Package 1,661 1,615 3,550 2,275
Metallic paint (extra cost) 410 410 500 500
Tire-pressure monitor 228 228    
Obstacle detection, rear 319 319 685 685
Navigation system 1,775 1,775 1,910 1,910
Bluetooth cell phone link 455 455    
Audio controls on steering wheel   137    
Bose 215W 9 speakers   910    
Cold Weather Package     910 910
Wood trim     455  
Satellite radio - one year subscription     540 540
Options (change) 5,325 6,425 9,395 7,495
Options (change) 4,848 5,849 8,550 6,820
Destination 720 720 825 825
Gas Tax 0 1,700 0 0
Total Price $51,535 $63,485 $55,970 $59,970
Total Invoice $47,578 $58,525 $51,465 $55,165

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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. BMW Z4

Lowest Adjusted Price and Invoice: Audi A4 / S4 A4 3.0 Cabriolet
TrueDelta Adjusted Price Difference: $3,985
TrueDelta Adjusted Invoice Difference: $3,476
Model Year2006200620092009
ModelA4 / S4A4 / S4Z4Z4
TrimA4 3.0 CabrioletS4 CabrioletsDrive30isDrive35i
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine220hp V6340hp V8255hp I6300hp I6
TransmissionT5M6M6M6
DrivetrainAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9215, 9?, 10?, 10
Tire (rear if not all the same)235/45-17235/40-18225/45-17225/45-17
Total Price$51,535$63,485$55,970$59,970
Adjustments for Features-6000-1,050-850
Feature-Adjusted Total Price$50,935$63,485$54,920$59,120
Cost Above Minimum$0$12,550$0$4,200
Total Invoice$47,578$58,525$51,465$55,165
Adjustments for Features-5540-965-782
Feature-Adjusted Total Invoice$47,024$58,525$50,500$54,383
Cost Above Minimum$0$11,501$0$3,883

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Features Comparison: Audi A4 / S4 vs. BMW Z4

Model Year2006200620092009
ModelA4 / S4A4 / S4Z4Z4
TrimA4 3.0 CabrioletS4 CabrioletsDrive30isDrive35i
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000   
6-speed manual $150$150$150
AWD$1700$1700  
RWD  $0$0
Accessories 
Heated steering wheel  $100$100
Power rear side windows$200$200  
Wind blocker$300$300  
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500  
Obstacle detection, front  $150$150
Roll bar  $200$200
Tires, run-flat  $150$150
Cargo Management 
Cargo net  $40$40
Climate Control 
Rain-sensing wipers  $175$175
Variable intermittent wipers$75$75  
Exterior 
Bodyside moldings$75$75  
Power convertible top$4000$4000  
Power retractable hardtop  $6750$6750
Infotainment 
Aux input  $50$50
CD changer, remote$200$200  
CD player  $125$125
HD radio  $50$50
Media drive  $15$15
MP3-compatible player  $50$50
Satellite radio $200$200$200
Telematics service, such as OnStar  $200$200
Traffic information  $25$25
Voice control for nav and audio  $100$100
Instruments, Lights, and Mirrors 
Compass$0$0  
Fog light, rear$100$100  
Illuminated visor mirror, driver$50$50  
Illuminated visor mirror, passenger$50$50  
Steering-linked headlights  $150$150
Trip computer$150$150  
Visor mirror, driver  $10$10
Visor mirror, passenger  $10$10
Seats and Interior Trim 
Aluminum trim   $100
Center armrest(s), second row$50$50  
Manual thigh support length adjuster, driver seat $50  
Wood trim$300$300$300 
Suspension, Wheels, and Tires 
Electronic systems calibration selector  $200$200
Ultra-sport suspension (upgrade) $0  
Total Value of Features$8,750$8,150$9,200$9,000
Value of Feature Adjustments$600$0$1,050$850
Value of Feature Adjustments-5540-965-782

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Specifications Comparison: Audi A4 / S4 vs. BMW Z4

Model Year20062009
ModelA4 / S4Z4
Body2dr Convertible2dr Hardtop conv.
Wheelbase104.5 in98.3 in
Length180.0 in166.9 in
Width70.0 in70.5 in
Height54.8 in50.8 in
Curb Weight3,683 lb.3,242 lb.
Fuel Capacity16.6 gal.14.5 gal.
Row 1 Headroom38.0 in39.1 in
Row 1 Shoulder Room53.0 in53.3 in
Row 1 Legroom41.3 in42.2 in
Row 2 Headroom36.3 in0.0 in
Row 2 Shoulder Room45.1 in0.0 in
Row 2 Legroom32.4 in0.0 in
Cargo Volume8.9 ft310.9 ft3

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Option Package Details
Audi A4 / S4 A4 3.0 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Total Requested147583%
Total Not Requested30017%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Automatic headlights125Yes
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Total Requested97576%
Total Not Requested30024%

Option Package Details
BMW Z4 sDrive30i

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100No
Traffic information25No
HD radio50No
Media drive, large15No
SD Card slot25No
Total Requested60074%
Total Not Requested21526%
Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100No
Cargo net40No
Headlight washers50Yes
Ski sack50Yes
Total Requested40074%
Total Not Requested14026%
Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Automatic climate control, front200Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Dual-zone climate control125Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Automatic air recirculation100No
Interior ambient lighting150No
No leather in second row-300No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested297595%
Total Not Requested1505%

Option Package Details
BMW Z4 sDrive35i

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100No
Traffic information25No
HD radio50No
Media drive, large15No
SD Card slot25No
Total Requested60074%
Total Not Requested21526%
Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100No
Cargo net40No
Headlight washers50Yes
Ski sack50Yes
Total Requested40074%
Total Not Requested14026%
Premium Package
FeatureValueRequested?
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Interior ambient lighting150No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested175083%
Total Not Requested35017%

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