Porsche 911 Porsche 911 2009 Mercedes-Benz SL Mercedes-Benz SL 2018

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $120,070

Porsche 911 Carrera   
Difference: $43,225

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092018
Model911911SL
TrimCarreraCarrera SAMG SL63
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Base Price $86,200 $96,800 $152,850
Adaptive Sports Seats 3,055 3,055  
iPod integration 440 440  
Navigation system 2,110 2,110  
Auto-dimming rearview mirror 420 420  
Sport Chrono Package Plus 960 960  
6-speed manual 0 0  
Adaptive dampers - electrical 1,990    
Ceramic brake rotors 8,150 8,150 8,950
Synthetic suede steering wheel 1,105 1,105 500
Wood trim 890 890 0
Traffic information 0 0  
Satellite radio 750 750  
Voice control for nav and audio 595 595  
Obstacle detection, rear 530 530  
Cooled or ventilated front seats 800 800  
Heated front seats 500 500  
Upholstered instrument panel, leather 3,295 3,295  
Dual-mode exhaust, switchable 2,500 2,500  
Floor mats 140 140  
Steering-linked headlights 690 690  
Audio controls on steering wheel 870 870  
Bluetooth cell phone link 695 695  
Limited-slip rear differential 950 950  
Illuminated door sill trim plates 775 775  
Metallic paint (extra cost) 710 710  
Adaptive Sports Seats 2,597 2,597  
iPod integration 0 0  
Navigation system 1,794 1,794  
Auto-dimming rearview mirror 0 0  
Sport Chrono Package Plus 816 816  
6-speed manual 0 0  
Adaptive dampers - electrical 1,692    
Ceramic brake rotors 6,928 6,928 8,324
Synthetic suede steering wheel 939 939 465
Wood trim 757 757 0
Traffic information 0 0  
Satellite radio 0 0  
Voice control for nav and audio 0 0  
Obstacle detection, rear 451 451  
Cooled or ventilated front seats 0 0  
Heated front seats 425 425  
Upholstered instrument panel, leather -306 2,554  
Dual-mode exhaust, switchable 0 0  
Floor mats 119 119  
Steering-linked headlights 0 0  
Audio controls on steering wheel 0 0  
Bluetooth cell phone link 0 0  
Limited-slip rear differential 0 0  
Illuminated door sill trim plates 0 0  
Metallic paint (extra cost) 0 0  
Options (change) 32,920 30,930 9,450
Options (change) 16,212 17,380 8,789
Destination 950 950 995
Total Price $120,070 $128,680 $163,295

Return to top

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 Porsche 911 dealer quotes or Mercedes-Benz SL 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: Porsche 911 vs. Mercedes-Benz SL

Lowest Adjusted Price: Porsche 911 Carrera
Lowest Adjusted Invoice: Mercedes-Benz SL AMG SL63
TrueDelta Adjusted Price Difference: $28,330
TrueDelta Adjusted Invoice Difference: $8,270
Model Year200920092018
Model911911SL
TrimCarreraCarrera SAMG SL63
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Engine345hp H6385hp H6577hp V8
TransmissionM6M6T7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)16/23 MPG16/23 MPG16/25 MPG
Audio (watts, speakers)235, 9235, 9600, 11
Tire (rear if not all the same)235/40-18235/35-19255/35-19
Total Price$120,070$128,680$163,295
Adjustments for Features00-14,895
Feature-Adjusted Total Price$120,070$128,680$148,400
Cost Above Minimum$0$8,610$0

Return to top

Features Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year200920092018
Model911911SL
TrimCarreraCarrera SAMG SL63
Body2dr Convertible2dr Convertible2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150$150 
7-speed manually-shiftable automatic  $1200
RWD$0$0$0
Accessories 
Hands-free trunk or liftgate  $100
Power trunk closer  $350
Proximity key  $250
Remote app  $25
Semi-automated parking system  $500
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
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, high-speed or partial  $200
Automatic braking, low-speed  $200
Brake- or yaw-sensor-initiated collision preparation system  $0
Driver drowsiness monitor  $150
Forward collision warning  $200
Knee airbag, driver  $75
Knee airbag, passenger  $75
Obstacle detection, front  $150
Rearview camera  $200
Side curtain airbags  $350
Torque vectoring, brake-based  $100
Cargo Management 
Air-conditioned storage compartment  $50
Storage compartment under front seat(s)  $50
Climate Control 
Adaptive windshield washer system  $0
Automatic air recirculation  $100
Dual-zone climate control  $125
Heated washer fluid system  $50
Heated windshield washer nozzles$15$15 
Residual heat  $50
Washer fluid outlets in wiper blade  $100
Water-repellent front-door glass$15$15 
Wiper de-icer  $25
Engine / Motor 
Automatic start / stop  $150
Raised top speed limiter  $0
Rear-engine configuration$0$0 
Exterior 
Glass roof panel(s)  $300
Power convertible top$4000$4000 
Power retractable hardtop  $6750
Rear spoiler  $200
Retractable rear spoiler$400$400 
Infotainment 
Android Auto support  $100
App support  $0
Apple CarPlay support  $100
Bluetooth audio streaming  $25
DVD-Audio-compatible player$0$0 
DVD-compatible player  $0
HD radio  $50
In-vehicle Internet  $150
Navigation map updates, three years  $0
Off-road navigation system$0$0 
SD Card slot  $25
SMS text-to-speech reader  $25
Surround sound  $250
Telematics service, such as OnStar, with navigation  $225
Traffic + travel information  $25
Traffic information$25$25 
Wi-Fi hotspot  $50
Instruments, Lights, and Mirrors 
Auto-dimming headlights  $200
Auto-dimming passenger-side mirror$75$75 
Cornering lights  $50
Fog lights$125$125 
Headlight washers$50$50 
Interior ambient lighting$150$150 
Interior ambient lighting, configurable  $150
LED headlights  $1000
Mirror tilt-down in reverse  $25
Turn signals on or near mirrors  $25
Xenon HID headlights$500$500 
Seats and Interior Trim 
Automatic seat bolsters, driver  $300
Automatic seat bolsters, front passenger  $300
Folding second row seats$300$300 
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 
Power thigh support length adjuster, driver seat  $100
Power thigh support length adjuster, passenger seat  $100
Synthetic suede headliner  $650
Suspension, Wheels, and Tires 
Active curve tilting  $1000
Adaptive dampers - electrical$500$500 
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000
Sport suspension (upgrade)  $0
Transmission 
Launch control  $100
Steering-wheel-mounted transmission controls  $100
Total Value of Features$7,255$7,255$22,150
Value of Feature Adjustments$0$0$14,895
Value of Feature Adjustments00-892

Return to top

Specifications Comparison: Porsche 911 vs. Mercedes-Benz SL

Model Year20092018
Model911SL
Body2dr Convertible2dr Hardtop conv.
Wheelbase92.5 in101.7 in
Length175.6 in182.3 in
Width71.2 in73.9 in
Height51.6 in51.2 in
Curb Weight3,363 lb.4,112 lb.
Fuel Capacity16.9 gal.19.8 gal.
Row 1 Headroom38.0 in39.1 in
Row 1 Shoulder Room51.7 in55.5 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in42.9 in
Row 2 Headroom31.5 in0.0 in
Cargo Volume,
Minimum
4.4 ft38.5 ft3
Cargo Volume,
Maximum
4.413.5 ft3

Return to top

Option Package Details
Porsche 911 Carrera

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 buckets100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
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
Total Requested120080%
Total Not Requested30020%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100Yes
Electronic systems calibration selector200Yes
Total Requested300100%
Total Not Requested00%

Option Package Details
Porsche 911 Carrera S

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 buckets100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
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
Total Requested120080%
Total Not Requested30020%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100Yes
Electronic systems calibration selector200Yes
Total Requested300100%
Total Not Requested00%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Coupes and Convertibles.
See TrueDelta's information for all Porsche models.