Mercedes-Benz M-Class Mercedes-Benz M-Class 2008 Porsche 911 Porsche 911 2008

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Mercedes-Benz M-Class vs. Porsche 911 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.

Mercedes-Benz M-Class vs. Porsche 911 Invoice Comparison

Lowest Total Price: $89,195

Mercedes-Benz M-Class ML63 AMG   
Difference: $230

Lowest Total Invoice: $77,843

Porsche 911 Carrera   
Difference: $5,170

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082008200820082008
ModelM-Class911911911911911
TrimML63 AMGCarreraCarrera STargaTarga STurbo
Body4dr SUV2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Base Price $87,000 $73,500 $83,800 $87,000 $97,300 $126,200
Base Invoice $80,910 $64,174 $73,192 $76,038 $85,011 $110,313
Illuminated door sill trim plates 550 725 725 725 725 725
Obstacle detection, rear 770 530 530 530 530 530
Adaptive Sports Seats   3,055 3,055 3,055 3,055 1,145
Auto-dimming rearview mirror   385 385 385 385  
Xenon HID headlights   1,090   1,090    
Metallic paint (extra cost)   690 690 690 690  
Floor mats   140 140 140 140 140
Bluetooth cell phone link   960 960 960 960 960
Adaptive dampers - electrical   1,990   1,990    
Navigation system   2,110 2,110 2,110 2,110  
Rear wiper   360 360 360 360 0
Heated front seats   500 500 500 500 500
CD changer, remote   650 650 650 650 650
Wood trim   890 890 890 890 890
Audio controls on steering wheel   990 990 990 990  
Wood/leather-wrapped steering wheel           620
Illuminated door sill trim plates 512 616 616 616 616 616
Obstacle detection, rear 716 451 451 451 451 451
Adaptive Sports Seats   2,597 2,597 2,597 2,597 973
Auto-dimming rearview mirror   327 327 327 327  
Xenon HID headlights   927   927    
Metallic paint (extra cost)   587 587 587 587  
Floor mats   119 119 119 119 119
Bluetooth cell phone link   816 816 816 816 816
Adaptive dampers - electrical   1,692   1,692    
Navigation system   1,794 1,794 1,794 1,794  
Rear wiper   306 306 306 306 0
Heated front seats   425 425 425 425 425
CD changer, remote   553 553 553 553 553
Wood trim   757 757 757 757 757
Audio controls on steering wheel   842 842 842 842  
Wood/leather-wrapped steering wheel           527
Options (change) 1,320 15,065 11,985 15,065 11,985 6,160
Options (change) 1,228 12,809 10,190 12,809 10,190 5,237
Destination 875 860 860 860 860 860
Total Price $89,195 $89,425 $96,645 $102,925 $110,145 $133,220
Total Invoice $83,013 $77,843 $84,242 $89,707 $96,061 $116,410

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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 Mercedes-Benz M-Class dealer quotes or Porsche 911 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mercedes-Benz M-Class vs. Porsche 911

Lowest Adjusted Price and Invoice: Mercedes-Benz M-Class ML63 AMG
TrueDelta Adjusted Price Difference: $8,695
TrueDelta Adjusted Invoice Difference: $2,708
Model Year200820082008200820082008
ModelM-Class911911911911911
TrimML63 AMGCarreraCarrera STargaTarga STurbo
Body4dr SUV2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Engine503hp V8325hp H6355hp H6325hp H6355hp H6480hp H6
TransmissionT7M6M6M6M6M6
DrivetrainAWDRWDRWDAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)440, 12235, 9235, 9235, 9235, 9325, 13
Tire (rear if not all the same)295/40-20235/40-18235/35-19235/40-18235/35-19235/35-19
Total Price$89,195$89,425$96,645$102,925$110,145$133,220
Adjustments for Features-8,4650-125-2,000-2,125-3,250
Feature-Adjusted Total Price$80,730$89,425$96,520$100,925$108,020$129,970
Cost Above Minimum$0$0$7,095$11,500$18,595$40,545
Total Invoice$83,013$77,843$84,242$89,707$96,061$116,410
Adjustments for Features-7,8780-109-1,743-1,853-2,840
Feature-Adjusted Total Invoice$75,135$77,843$84,133$87,964$94,208$113,570
Cost Above Minimum$0$0$6,290$10,121$16,365$35,727

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Features Comparison: Mercedes-Benz M-Class vs. Porsche 911

Model Year200820082008200820082008
ModelM-Class911911911911911
TrimML63 AMGCarreraCarrera STargaTarga STurbo
Body4dr SUV2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200     
6-speed manual $150$150$150$150$150
AWD$1700  $1700$1700$1700
RWD $0$0   
Accessories 
Power liftgate$350     
Power rear side windows$200     
Tilt/telescoping steering wheel, manual $250$250$250$250$250
Tilt/telescoping steering wheel, power$350     
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0     
Hill descent control$250     
Obstacle detection, front$150     
Rear side airbags$300     
Rearview camera$200     
Rollover sensor$50     
Side curtain airbags$350     
Temporary spare tire$150     
Trailer sway control$25     
Cargo Management 
Cargo area partition net$40     
Cargo area rails w/tie downs$50     
Cargo cover$75     
Console with shifter $150$150$150$150$150
Console without shifter$150     
Roof rails$250     
Climate Control 
Automatic air recirculation$100     
Dual-zone climate control$125     
Rear air vents with automatic controls$250     
Residual heat$50     
Water-repellent front-door glass $15$15$15$15$15
Drivetrain 
Limited-slip rear differential     $300
Engine / Motor 
Rear-engine configuration $0$0$0$0$0
Exterior 
Bodyside moldings$75     
Deep-tinted rear windows$275     
Larger rear spoiler     $200
Panoramic sunroof   $1200$1200 
Rear bumper protector$40     
Retractable rear spoiler $400$400$400$400 
Running boards$350     
Sunroof$900$900$900  $900
Wheel-lip moldings$75     
Infotainment 
Aux input$50     
DVD-Audio-compatible player     $0
Off-road navigation system $0$0$0$0$0
Rear seat audio controls$25     
Satellite radio$200     
Surround sound$250    $250
Telematics service, such as OnStar$200     
Instruments, Lights, and Mirrors 
Boost gauge     $75
Chronometer$100     
Cornering lights$50     
Fog light, rear$100     
Fog lights$125 $125 $125$125
Interior ambient lighting $150$150$150$150$150
Mirror tilt-down in reverse$25     
Power-folding mirrors$50     
Steering-linked headlights$150     
Turn signals on or near mirrors$25     
Seats and Interior Trim 
Center armrest(s), second row$50     
Cooled or ventilated front seats$300     
Leather-wrapped steering wheel$150$150$150$150$150 
Memory system, passenger seat$150     
Power headrest height adjuster, driver seat$50     
Power headrest height adjuster, passenger seat$50     
Power thigh bolsters, driver seat $100$100$100$100$100
Power thigh bolsters, passenger seat $100$100$100$100$100
Power thigh support length adjuster, driver seat$100     
Power thigh support length adjuster, passenger seat$100     
Synthetic suede headliner $650$650$650$650$650
Synthetic suede inserts in leather seating surfaces$0     
Upholstered instrument panel, leather     $1000
Wood/leather-wrapped steering wheel     $150
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000     
Sport suspension (upgrade)$0     
Transmission 
Steering-wheel-mounted transmission controls$100     
Total Value of Features$11,480$3,015$3,140$5,015$5,140$6,265
Value of Feature Adjustments$8,465$0$125$2,000$2,125$3,250
Value of Feature Adjustments-7,8780-109-1,743-1,853-2,840

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Specifications Comparison: Mercedes-Benz M-Class vs. Porsche 911

Model Year20082008
ModelM-Class911
Body4dr SUV2dr Coupe
Wheelbase114.7 in92.5 in
Length188.5 in175.6 in
Width75.2 in71.2 in
Height71.5 in51.6 in
Curb Weight4,706 lb.3,076 lb.
Fuel Capacity25.1 gal.17.0 gal.
Row 1 Headroom39.9 in38.0 in
Row 1 Shoulder Room59.9 in51.7 in
Row 1 Hip Room55.0 in53.4 in
Row 1 Legroom42.2 in41.6 in
Row 2 Headroom39.8 in31.5 in
Row 2 Shoulder Room59.8 in0.0 in
Row 2 Legroom40.0 in0.0 in
Cargo Volume,
Minimum
29.4 ft34.8 ft3
Cargo Volume,
Maximum
72.4 ft34.8 ft3

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Option Package Details
Porsche 911 Carrera

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Total Requested130087%
Total Not Requested20013%

Option Package Details
Porsche 911 Carrera S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Total Requested130087%
Total Not Requested20013%

Option Package Details
Porsche 911 Targa

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Total Requested130087%
Total Not Requested20013%

Option Package Details
Porsche 911 Targa S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Total Requested130087%
Total Not Requested20013%

Option Package Details
Porsche 911 Turbo

Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Total Requested30060%
Total Not Requested20040%

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