Porsche 911 Porsche 911 2015 Mercedes-Benz SLK Mercedes-Benz SLK 2007

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Porsche 911 vs. Mercedes-Benz SLK 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.

Porsche 911 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $53,720

Mercedes-Benz SLK SLK280   
Difference: $55,010

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015201520152015200720072007
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $96,200 $110,800 $126,100 $163,000 $194,600 $43,350 $47,400 $62,500
Adaptive sport seats plus 3,825 3,825            
Auto-dimming mirrors 420 420            
Bose 555W 12 speakers 2,120 2,120 2,120          
Metallic paint (extra cost) 710 710 710     700 700 700
Wood trim 1,770 1,770   1,990 0      
Wood/leather-wrapped steering wheel 1,250 1,250   635 635      
Heated front seats 690 690            
Body kit 750 750 750 750 750      
Audio controls on steering wheel     165          
Premium Package     3,345          
CD changer, in-dash       750 750      
Premium II Package           3,650 3,650 1,400
Heating Package           970 970  
Lighting Package           1,000 1,000 1,000
CD changer, remote           440 440 440
Navigation system           1,200 1,200 1,200
Bluetooth cell phone link           925 925 925
Automatic climate control, front           710 710 710
Appearance Package             990  
Adaptive sport seats plus 0 0            
Auto-dimming mirrors 0 0            
Bose 555W 12 speakers 0 0 0          
Metallic paint (extra cost) 0 0 0     650 650 650
Wood trim 0 0   0 0      
Wood/leather-wrapped steering wheel 0 0   0 0      
Heated front seats 0 0            
Body kit 0 0 0 0 0      
Audio controls on steering wheel     0          
Premium Package     0          
CD changer, in-dash       0 0      
Premium II Package           3,394 3,394 1,302
Heating Package           902 902  
Lighting Package           930 930 930
CD changer, remote           409 409 409
Navigation system           1,116 1,116 1,116
Bluetooth cell phone link           860 860 860
Automatic climate control, front           660 660 660
Appearance Package             921  
Options (change) 11,535 11,535 7,090 4,125 2,135 9,595 10,585 6,375
Options (change) 0 0 0 0 0 8,921 9,842 5,927
Destination 995 995 995 995 995 775 775 775
Gas Tax 0 0 0 0 0 0 0 1,300
Total Price $108,730 $123,330 $134,185 $168,120 $197,730 $53,720 $58,760 $70,950

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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: Porsche 911 vs. Mercedes-Benz SLK

Lowest Adjusted Price: Mercedes-Benz SLK SLK280
Lowest Adjusted Invoice: Porsche 911 Turbo S
TrueDelta Adjusted Price Difference: $54,775
TrueDelta Adjusted Invoice Difference: $49,087
Model Year20152015201520152015200720072007
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine350hp H6400hp H6430hp H6520hp H6560hp H6228hp V6268hp V6355hp V8
TransmissionM7M7M7S7S7M6M6T7
DrivetrainRWDRWDRWDAWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)445, 12445, 12445, 12445, 12445, 12380, 11380, 11380, 11
Tire (rear if not all the same)235/40-19245/35-20245/35-20245/35-20245/35-20205/55-16225/45-17225/40-18
Total Price$108,730$123,330$134,185$168,120$197,730$53,720$58,760$70,950
Adjustments for Features-235-1,135-2,885-7,160-13,9600-300-1,300
Feature-Adjusted Total Price$108,495$122,195$131,300$160,960$183,770$53,720$58,460$69,650
Cost Above Minimum$0$13,700$22,805$52,465$75,275$0$4,740$15,930

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Features Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20152015201520152015200720072007
Model911911911911911SLKSLKSLK
TrimCarreraCarrera SCarrera GTSTurboTurbo SSLK280SLK350SLK55 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed manual$300$300$300     
7-speed automated manual   $1200$1200   
6-speed manual     $150$150 
7-speed manually-shiftable automatic       $1200
RWD$0$0$0  $0$0$0
AWD   $1700$1700   
Accessories 
Heated steering wheel$100$100 $100$100   
Wind blocker$300$300$300$300$300   
Wind blocker, small     $100$100$100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500$500$500$500   
Ceramic brake rotors    $4000   
Obstacle detection, front    $150   
Obstacle detection, rear$250$250$250$250$250   
Side curtain airbags$350$350$350$350$350   
Tire-pressure monitor$75$75$75$75$75   
Torque vectoring, brake-based $100$100$100$100   
Climate Control 
Water-repellent front-door glass$15$15$15$15$15   
Drivetrain 
Electronically-variable engine mounts (performance-oriented)  $500 $500   
Limited-slip rear differential $300$300$300$300   
Engine / Motor 
Automatic start / stop$150$150$150$150$150   
Dual-mode exhaust, switchable  $500     
Rear-engine configuration$0$0$0$0$0   
Regenerative braking$0$0$0$0$0   
Exterior 
Active front spoiler   $500$500   
Active rear spoiler   $300$300   
Black exterior trim (optional)  $0     
Body kit$0$0$0$0$0  $0
Painted brake calipers (optional) $0$0$0$0   
Power convertible top$4000$4000$4000$4000$4000   
Power retractable hardtop     $6750$6750$6750
Rear spoiler       $200
Retractable rear spoiler$400$400$400     
Tall rear wing-type spoiler   $500$500   
Infotainment 
App support$0$0$0$0$0   
Bluetooth audio streaming$25$25$25$25$25   
CD changer, in-dash$325$325$325$325$325   
CD changer, remote     $200$200$200
CD player     $125$125$125
HD radio$50$50$50$50$50   
Media drive$15$15$15$15$15   
MP3-compatible player$50$50$50$50$50   
Off-road navigation system$0$0$0$0$0   
Telematics service, such as OnStar     $200$200$200
Traffic + travel information   $25$25   
Traffic information$25$25$25     
Instruments, Lights, and Mirrors 
Analog clock     $25$25$25
Auto-dimming headlights    $200   
Auto-dimming passenger-side mirror$75$75$75$75$75   
Boost gauge   $75$75   
Chronometer  $100 $100   
Cornering lights  $50$50$50$50$50$50
Fog lights     $125$125$125
Headlight washers  $50$50$50$50$50$50
Illuminated visor mirror, driver$50$50$50$50$50   
Illuminated visor mirror, passenger$50$50$50$50$50   
LED headlights    $1000   
Mirror tilt-down in reverse     $25$25$25
Performance meter  $150 $150   
Steering-linked headlights  $150$150$150   
Turn signals on or near mirrors     $25$25$25
Visor mirror, driver     $10$10$10
Visor mirror, passenger     $10$10$10
Xenon HID headlights$500$500$500$500 $500$500$500
Seats and Interior Trim 
Aluminum trim  $100    $100
Folding second row seats w/o opening to trunk$75$75$75$75$75   
Leather-wrapped steering wheel  $150  $150 $150
Memory system, passenger seat     $150$150$150
Neck-level heating, front seats     $150$150 
Power 4-way lumbar adjuster, driver seat$150$150$150$150$150   
Power 4-way lumbar adjuster, passenger seat$150$150$150$150$150   
Power seatback bolsters, driver seat$100$100$100 $100   
Power seatback bolsters, passenger seat$100$100$100 $100   
Power thigh bolsters, driver seat$100$100$100 $100   
Power thigh bolsters, passenger seat$100$100$100 $100   
Power thigh support length adjuster, driver seat$100$100$100$100$100   
Power thigh support length adjuster, passenger seat$100$100$100$100$100   
Synthetic suede door panel trim  $250     
Synthetic suede inserts in leather seating surfaces  $0    $0
Upholstered instrument panel, leather   $1000$1000   
Wood trim$300$300 $300$300 $300 
Wood/leather-wrapped steering wheel$150$150 $150$150 $150 
Suspension, Wheels, and Tires 
Active stabilizer bars    $500   
Adaptive dampers - electrical $500$500$500$500   
Electronic systems calibration selector  $200 $200   
Rear wheel steering   $1500$1500   
Sport suspension (upgrade)       $0
Wheels, dark finish  $0     
Transmission 
Launch control  $100 $100   
Steering-wheel-mounted transmission controls   $100$100  $100
Total Value of Features$9,030$9,930$11,680$15,955$22,755$8,795$9,095$10,095
Value of Feature Adjustments$235$1,135$2,885$7,160$13,960$0$300$1,300
Value of Feature Adjustments-2-9-21-42-700-279-1,212

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SLK

Model Year20152007
Model911SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase96.5 in95.7 in
Length176.8 in160.7 in
Width71.2 in70.4 in
Height51.3 in51.0 in
Curb Weight3,198 lb.3,210 lb.
Fuel Capacity16.9 gal.18.5 gal.
Row 1 Headroom0.0 in37.9 in
Row 1 Shoulder Room0.0 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom0.0 in42.5 in
Cargo Volume,
Minimum
4.8 ft36.5 ft3
Cargo Volume,
Maximum
4.89.8 ft3

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Option Package Details
Porsche 911 Carrera

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Total Requested80047%
Total Not Requested90053%
Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%

Option Package Details
Porsche 911 Carrera S

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Total Requested80047%
Total Not Requested90053%
Auto-dimming mirrors
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested22575%
Total Not Requested7525%

Option Package Details
Porsche 911 Carrera GTS

Premium Package
FeatureValueRequested?
Power seatback bolsters, driver seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power thigh bolsters, driver seat100No
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Total Requested112554%
Total Not Requested97546%

Option Package Details
Mercedes-Benz SLK SLK280

Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Auto-dimming driver-side mirror75Yes
Tilt/telescoping steering wheel, power100Yes
Remote window/roof operation15Yes
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25No
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Total Requested191574%
Total Not Requested67526%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK350

Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Auto-dimming driver-side mirror75Yes
Tilt/telescoping steering wheel, power100Yes
Remote window/roof operation15Yes
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25No
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Total Requested191574%
Total Not Requested67526%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Appearance Package
FeatureValueRequested?
Wood trim300Yes
225/45ZR17 tires200No
Wood/leather-wrapped steering wheel0Yes
245/40ZR17 tires200No
Total Requested30043%
Total Not Requested40057%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested30046%
Total Not Requested35054%

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