Porsche 911 Porsche 911 2014 Mercedes-Benz SL Mercedes-Benz SL 2015

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Porsche 911 vs. Mercedes-Benz SL 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 SL Invoice Comparison

Lowest Total Price: $134,065

Porsche 911 Carrera   
Difference: $93,950

Calculate Payments

  Down Payment Interest Rate Term
Model Year201420142015
Model911911SL
TrimCarreraCarrera SSL65 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Base Price $96,200 $110,800 $215,250
Adaptive sport seats plus 3,825 3,825  
Bose 555W 12 speakers 2,120 2,120  
Premium Package Plus 2,330 2,330  
7-speed automated manual 4,080 4,080  
Torque vectoring, brake-based 1,490    
Adaptive dampers - electrical 2,090    
Adaptive cruise control, all-speed 2,490 2,490  
Ceramic brake rotors 8,520 8,520 8,950
Wood/leather-wrapped steering wheel 1,250 1,250 590
Wood trim 1,990 1,990 0
Voice control for nav and audio 595 595  
Rearview camera 655 655  
Obstacle detection, front 380 380  
Upholstered instrument panel, leather 3,490 3,490  
Illuminated door sill trim plates 900 900  
Metallic paint (extra cost) 710 710  
Painted brake calipers (optional)     1,000
Adaptive sport seats plus 0 0  
Bose 555W 12 speakers 0 0  
Premium Package Plus 0 0  
7-speed automated manual 3,468 3,468  
Torque vectoring, brake-based 0    
Adaptive dampers - electrical 0    
Adaptive cruise control, all-speed 0 0  
Ceramic brake rotors 0 0 8,324
Wood/leather-wrapped steering wheel 0 0 549
Wood trim 0 0 0
Voice control for nav and audio 0 0  
Rearview camera 0 0  
Obstacle detection, front 0 0  
Upholstered instrument panel, leather 0 0  
Illuminated door sill trim plates 0 0  
Metallic paint (extra cost) 0 0  
Painted brake calipers (optional)     930
Options (change) 36,915 33,335 10,540
Options (change) 3,468 3,468 9,803
Destination 950 950 925
Gas Tax 0 0 1,300
Total Price $134,065 $145,085 $228,015

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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 SL

Lowest Adjusted Price and Invoice: Porsche 911 Carrera
TrueDelta Adjusted Price Difference: $79,190
TrueDelta Adjusted Invoice Difference: $194,056
Model Year201420142015
Model911911SL
TrimCarreraCarrera SSL65 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Engine350hp H6400hp H6621hp V12
TransmissionS7S7T7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)15/20 MPG15/20 MPG14/21 MPG
Audio (watts, speakers)445, 12445, 12900, 12
Tire (rear if not all the same)235/40-19245/35-20255/35-19
Total Price$134,065$145,085$228,015
Adjustments for Features00-14,760
Feature-Adjusted Total Price$134,065$145,085$213,255
Cost Above Minimum$0$11,020$0

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Features Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year201420142015
Model911911SL
TrimCarreraCarrera SSL65 AMG
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200$1200 
7-speed manually-shiftable automatic  $1200
RWD$0$0$0
Accessories 
Hands-free trunk or liftgate  $100
Heated steering wheel$100$100 
Power door closers  $300
Power trunk closer  $350
Remote app  $25
Semi-automated parking system  $500
Wind blocker$300$300 
Wind blocker, power small  $300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0
Automatic braking, low-speed  $200
Blind spot collision prevention  $150
Blind spot warning system  $200
Driver drowsiness monitor  $150
Lane departure prevention  $150
Lane departure warning  $200
Night vision  $1750
Cargo Management 
Air-conditioned storage compartment  $50
Storage compartment under front seat(s)  $50
Climate Control 
Adaptive windshield washer system  $0
Water-repellent front-door glass$15$15 
Wiper de-icer  $25
Engine / Motor 
Raised top speed limiter  $0
Rear-engine configuration$0$0 
Regenerative braking$0$0 
Exterior 
Electronically-variable tint, sunroof or glass roof panel  $2000
Glass roof panel(s)  $300
Painted brake calipers (optional) $0$0
Power convertible top$4000$4000 
Power retractable hardtop  $6750
Rear spoiler  $200
Retractable rear spoiler$400$400 
Infotainment 
CD changer, in-dash$325$325 
CD player  $125
DVD-Audio-compatible player$0$0 
DVD-compatible player  $0
In-vehicle Internet  $150
iPod integration  $100
Navigation map updates, three years  $0
Off-road navigation system$0$0 
SD Card slot  $25
SMS text-to-speech reader  $25
Telematics service, such as OnStar, with navigation  $225
Traffic + travel information  $25
Traffic information$25$25 
USB port$25$25 
Instruments, Lights, and Mirrors 
Auto-dimming headlights  $200
Auto-dimming passenger-side mirror$75$75 
Chronometer  $100
Fog lights  $125
Mirror tilt-down in reverse  $25
Turn signals on or near mirrors  $25
Seats and Interior Trim 
Automatic seat bolsters, driver  $300
Automatic seat bolsters, front passenger  $300
Folding second row seats w/o opening to trunk$75$75 
Leather headliner  $1000
Massage, driver seat  $100
Massage, passenger seat  $100
Memory system, passenger seat  $150
Neck-level heating, front seats  $150
No leather in second row  $-300
Power headrest height adjuster, driver seat  $50
Power headrest height adjuster, passenger seat  $50
Power seatback bolsters, driver seat$100$100 
Power seatback bolsters, passenger seat$100$100 
Power thigh bolsters, driver seat$100$100 
Power thigh bolsters, passenger seat$100$100 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000
Electronic systems calibration selector  $200
Sport suspension (upgrade)  $0
Total Value of Features$7,440$7,440$22,200
Value of Feature Adjustments$0$0$14,760
Value of Feature Adjustments00-13,737

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Specifications Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year20142015
Model911SL
Body2dr Convertible2dr Hardtop conv.
Wheelbase96.5 in101.8 in
Length176.8 in181.8 in
Width71.2 in73.9 in
Height51.3 in51.8 in
Curb Weight3,308 lb.4,299 lb.
Fuel Capacity16.9 gal.19.8 gal.
Row 1 Headroom0.0 in39.1 in
Row 1 Shoulder Room0.0 in55.5 in
Row 1 Legroom0.0 in42.9 in
Cargo Volume,
Minimum
4.8 ft38.5 ft3
Cargo Volume,
Maximum
4.813.5 ft3

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Option Package Details
Porsche 911 Carrera

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Total Requested150088%
Total Not Requested20012%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Cornering lights50Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested257597%
Total Not Requested753%

Option Package Details
Porsche 911 Carrera S

Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Total Requested150088%
Total Not Requested20012%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Interior ambient lighting150Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Cornering lights50Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Total Requested257597%
Total Not Requested753%

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