Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 Mercedes-Benz M-Class Mercedes-Benz M-Class 2006
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Audi A4 / S4 / RS4 vs. Mercedes-Benz M-Class 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. Mercedes-Benz M-Class Invoice Comparison

Lowest Total Price: $53,420

Mercedes-Benz M-Class ML350   
Difference: $5,005

Lowest Total Invoice: $49,738

Mercedes-Benz M-Class ML350   
Difference: $4,771

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820062006
ModelA4 / S4 / RS4M-ClassM-Class
TrimS4 AvantML350ML500
Body4dr Wagon4dr SUV4dr SUV
Base Price $49,610 $39,750 $48,500
Base Invoice $46,137 $36,968 $45,105
Convenience Package 2,125    
Metallic paint (extra cost) 475 690 690
Rear side airbags 350 385 385
Obstacle detection, rear 350 750 750
Navigation system 1,950    
Wood trim 400    
Wood/leather-wrapped steering wheel 690    
Lighting Package   890 890
Comfort Package   1,450 1,450
Premium Package   6,150 3,750
Sunroof   1,390 1,290
Satellite radio   500 500
Heated front seats   690  
Convenience Package 1,977    
Metallic paint (extra cost) 443 642 642
Rear side airbags 325 358 358
Obstacle detection, rear 325 698 698
Navigation system 1,813    
Wood trim 373    
Wood/leather-wrapped steering wheel 641    
Lighting Package   828 828
Comfort Package   1,349 1,349
Premium Package   5,720 3,488
Sunroof   1,293 1,200
Satellite radio   465 465
Heated front seats   642  
Options (change) 6,340 12,895 9,705
Options (change) 5,897 11,995 9,028
Destination 775 775 775
Gas Tax 1,700 0 0
Total Price $58,425 $53,420 $58,980
Total Invoice $54,509 $49,738 $54,908

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Audi A4 / S4 / RS4 dealer quotes or Mercedes-Benz M-Class 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: Audi A4 / S4 / RS4 vs. Mercedes-Benz M-Class

Lowest Adjusted Price and Invoice: Mercedes-Benz M-Class ML350
TrueDelta Adjusted Price Difference: $8,415
TrueDelta Adjusted Invoice Difference: $7,946
Model Year200820062006
ModelA4 / S4 / RS4M-ClassM-Class
TrimS4 AvantML350ML500
Body4dr Wagon4dr SUV4dr SUV
Engine340hp V8268hp V6302hp V8
TransmissionM6T7T7
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)215, 1080, 880, 8
Tire (rear if not all the same)235/40-18235/65-17255/55-18
Total Price$58,425$53,420$58,980
Adjustments for Features0-3,410-3,435
Feature-Adjusted Total Price$58,425$50,010$55,545
Cost Above Minimum$0$0$5,535
Total Invoice$54,509$49,738$54,908
Adjustments for Features0-3,175-3,198
Feature-Adjusted Total Invoice$54,509$46,563$51,710
Cost Above Minimum$0$0$5,147

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Features Comparison: Audi A4 / S4 / RS4 vs. Mercedes-Benz M-Class

Model Year200820062006
ModelA4 / S4 / RS4M-ClassM-Class
TrimS4 AvantML350ML500
Body4dr Wagon4dr SUV4dr SUV
Transmission and Drivetrain 
6-speed manual$150  
7-speed manually-shiftable automatic $1200$1200
AWD$1700$1700$1700
Accessories 
Power liftgate $350$350
Remote window/roof operation $15$15
Tilt/telescoping steering wheel, manual$250  
Tilt/telescoping steering wheel, power $350$350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0  
Hill descent control $250$250
Obstacle detection, front $150$150
Rollover sensor $50$50
Cargo Management 
Aluminum roof rails$250  
Cargo area rails w/tie downs $50$50
Cargo net$40  
Console with shifter$150  
Console without shifter $150$150
Rear seat pass-through$100  
Roof rails $250$250
Ski sack$50  
Storage compartment under front seat(s)$50  
Climate Control 
Heated windshield washer nozzles$15  
Rear air vents $100$100
Residual heat $50$50
Exterior 
Bright-finished exhaust tip(s)$25 $25
Deep-tinted rear windows $275$275
Infotainment 
Aux input $50$50
CD changer, remote$200  
CD player $125$125
MP3-compatible player$50  
Telematics service, such as OnStar $200$200
Instruments, Lights, and Mirrors 
Analog clock $25$25
Auto-dimming passenger-side mirror$75  
Compass$0  
Cornering lights $50$50
Mirror tilt-down in reverse $25$25
Seats and Interior Trim 
Manual thigh support length adjuster, driver seat$50  
Memory system, passenger seat $150$150
Power fore-aft adjuster, driver seat $100$100
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
Power height adjuster, driver seat $100$100
Power recliner, driver seat $100$100
Power seatback bolsters, driver seat $100$100
Power seatback bolsters, passenger seat $100$100
Power thigh support length adjuster, driver seat $100$100
Power thigh support length adjuster, passenger seat $100$100
Power tilt adjuster, driver seat $100$100
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade)$0  
Transmission 
Steering-wheel-mounted transmission controls $100$100
Total Value of Features$3,155$6,565$6,590
Value of Feature Adjustments$0$3,410$3,435
Value of Feature Adjustments0-3,175-3,198

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See a complete comparison of Audi A4 / S4 / RS4 vs. Mercedes-Benz M-Class features.

Specifications Comparison: Audi A4 / S4 / RS4 vs. Mercedes-Benz M-Class

Model Year20082006
ModelA4 / S4 / RS4M-Class
Body4dr Wagon4dr SUV
Wheelbase104.3 in114.7 in
Length180.6 in188.5 in
Width69.8 in75.2 in
Height56.2 in69.8 in
Curb Weight3,672 lb.4,624 lb.
Fuel Capacity16.6 gal.25.1 gal.
Row 1 Headroom38.4 in39.9 in
Row 1 Shoulder Room55.1 in59.9 in
Row 1 Hip Room0.0 in55.0 in
Row 1 Legroom41.3 in42.2 in
Row 2 Headroom37.6 in39.8 in
Row 2 Shoulder Room53.4 in59.8 in
Row 2 Legroom34.3 in40.0 in
Cargo Volume,
Minimum		27.8 ft329.4 ft3
Cargo Volume,
Maximum		59.0 ft372.4 ft3

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See a complete comparison of Audi A4 / S4 / RS4 vs. Mercedes-Benz M-Class specs.

Option Package Details
Audi A4 / S4 / RS4 S4 Avant

Convenience Package
FeatureValueRequested?
Bose, 215W, 10 speakers (with subwoofer)350No
Memory system, driver seat200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75No
Total Requested95069%
Total Not Requested42531%

Option Package Details
Mercedes-Benz M-Class ML350

Sunroof
FeatureValueRequested?
Sunroof900Yes
Rain-sensing wipers100Yes
Total Requested1000100%
Total Not Requested00%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested70093%
Total Not Requested507%
Comfort Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power headrest height adjuster, driver seat50No
Power headrest height adjuster, passenger seat50No
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Cargo cover75Yes
Memory system, passenger seat150No
Auto-dimming driver-side mirror75Yes
Power-folding mirrors50Yes
Cargo area rails w/tie downs50No
Mirror tilt-down in reverse25No
Cargo area partition net40Yes
Total Requested59058%
Total Not Requested42542%
Premium Package
FeatureValueRequested?
Navigation system600Yes
Leather seating surfaces900Yes
Power 4-way lumbar adjuster, driver seat100Yes
Power thigh support adjuster, driver seat100No
Power seatback bolsters, driver100No
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Power seatback bolsters, passenger seat100No
Wood/leather-wrapped steering wheel150Yes
Power liftgate300No
Front sport buckets100Yes
Interior ambient lighting150No
Wood trim300Yes
Deep-tinted rear windows275No
Roof rails250Yes
Telematics service, such as OnStar200No
Total Requested255066%
Total Not Requested132534%

Option Package Details
Mercedes-Benz M-Class ML500

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested70093%
Total Not Requested507%
Comfort Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power headrest height adjuster, driver seat50No
Power headrest height adjuster, passenger seat50No
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Cargo cover75Yes
Memory system, passenger seat150No
Auto-dimming driver-side mirror75Yes
Power-folding mirrors50Yes
Cargo area rails w/tie downs50No
Mirror tilt-down in reverse25No
Cargo area partition net40Yes
Total Requested59058%
Total Not Requested42542%
Premium Package
FeatureValueRequested?
Navigation system600Yes
Leather seating surfaces450Yes
Power 4-way lumbar adjuster, driver seat100Yes
Power thigh support adjuster, driver seat100No
Power seatback bolsters, driver100No
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100No
Power seatback bolsters, passenger seat100No
Wood/leather-wrapped steering wheel150Yes
Power liftgate300No
Front sport buckets100Yes
Interior ambient lighting150No
Total Requested155065%
Total Not Requested85035%

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