Mercedes-Benz SL-Class vs Porsche 911 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2019 Mercedes-Benz SL-Class SL 450 RWD
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2019 Porsche 911 Carrera 4 Cabriolet AWD
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New Car Pricing New listing price comparison and analysis.

2019 Mercedes-Benz SL-Class
SL 450 RWD
MSRP
$89,150
Invoice
$83,355
Average Price Paid
$83,466
224 listings nationwide

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2019 Porsche 911
Carrera 4 Cabriolet AWD
MSRP
$110,300
Invoice
N/A
Average Price Paid
$106,177
3 listings nationwide

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Pricing Analysis Price analysis based on recent sales data applied to current trim without options.

2019 Mercedes-Benz SL-Class
SL 450 RWD
Fair Price
$84,586
Good Price
$82,198
Great Price
$80,833
2019 Porsche 911
Carrera 4 Cabriolet AWD
Fair Price
$108,874
Good Price
$104,299
Great Price
$101,682

Specs

2019 Mercedes-Benz SL-Class
SL 450 RWD
2019 Porsche 911
Carrera 4 Cabriolet AWD
Powertrain 9-Speed Automatic
Drivetrain
RWD
AWD
AWD
Fuel Economy, City
20 MPG
21 MPG
19 MPG
Fuel Economy, Highway
28 MPG
28 MPG
28 MPG
Fuel Tank Volume 19.8 gal 16.9 gal
Engine
Fuel Type
Gasoline
Gasoline
Gasoline
Power
362 hp @ 5,000 RPM
370 hp @ 6,500 RPM
370 hp @ 6,500 RPM
Torque
369 lb-ft @ 1,500 RPM
331 lb-ft @ 1,700 RPM
331 lb-ft @ 1,700 RPM
Cylinders
6 cylinders
6 cylinders
6 cylinders
Compression Ratio
10.5:1
10:1
10:1
Displacement
3,000 cc
3,000 cc
3,000 cc
Bore x Stroke
3.46 in x 3.23 in
3.58 in x 2.99 in
3.58 in x 2.99 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard --
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Comfort and Convenience
Sunroof/Moonroof Standard --
Leather Seats Standard --
Air Conditioning Standard Standard
CD Player Standard Standard
CD Changer Standard --
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 2 seats 4 seats
Front Legroom 42.9 in 41.6 in
Back Legroom -- --
Payload and Towing
Cargo Volume 8.5 cu ft 5.1 cu ft
Maximum Payload -- 936 lbs
Exterior
Length 182.3 in 177.1 in
Width 82.6 in 71.2 in
Height 51.2 in 50.7 in
Wheelbase 101.7 in 96.5 in

Available Options

2019 Mercedes-Benz SL-Class
SL 450 RWD

Exterior Colors

  • Black
  • Brilliant Blue Metallic
  • DESIGNO Diamond White Metallic
  • Designo Cardinal Red Metallic
  • Designo Diamond White Metallic
  • Designo Selenite Grey Magno
  • Dolomite Brown Metallic
  • Graphite Grey Metallic
  • Iridium Silver Metallic
  • Obsidian Black Metallic
  • Polar White
  • Selenite Grey Metallic

Option Packages

  • Active Body Control (ABC)
  • Silver Seat Belts
  • AMG Carbon Fiber Trim
  • Designo Black Piano Lacquer Trim
  • Designo Champagne White Lacquer Trim
  • Designo Classic Red Leather Package
  • Red Seat Belts
  • Wood/Leather Steering Wheel
  • Bang & Olufsen BEOSOUND Premium Sound System
  • DEISGNO Platinum White/Black Leather Package
  • DESIGNO Deep White/Black Leather Package
  • DESIGNO Light Brown/Black Leather Package
  • DESIGNO Platinum White/Black Leather Package
  • DESIGNO Sand/Black Leather Package
  • DESIGNO Sienna Brown/Black Leather Package
  • DESIGNO Titanium Grey Pearl/Black Leather Package
  • DESIGNO Tuscany Beige Pearl/Black Leather Package
  • Driver Assistance Package
  • Multifunction Sport Steering Wheel
  • Premium Package
  • Designo Bamboo Trim
  • Bengal Red/Black, Exclusive Nappa Leather Upholstery
  • Black, Exclusive Nappa Leather Upholstery
  • Black, Nappa Leather Upholstery
  • Ginger Beige/Espresso, Exclusive Nappa Leather Upholstery
  • Porcelain/Black, Exclusive Nappa Leather Upholstery
  • Porcelain/Black, Nappa Leather Upholstery
  • Saddle Brown/Black, Exclusive Nappa Leather Upholstery
  • Bengal Red/Black, Nappa Leather Upholstery
  • Ginger Beige/Espresso, Nappa Leather Upholstery
  • Saddle Brown/Black, Nappa Leather Upholstery
  • Magic Sky Control
  • Wheels: 19" AMG Multi-Spoke Alloy
2019 Porsche 911
Carrera 4 Cabriolet AWD

Exterior Colors

  • Agate Grey Metallic
  • Black
  • Carmine Red
  • Carrara White Metallic
  • Chalk
  • Custom Color
  • Custom Color Metallic
  • GT Silver Metallic
  • Guards Red
  • Jet Black Metallic
  • Lava Orange
  • Miami Blue
  • Night Blue Metallic
  • Racing Yellow
  • White

Option Packages

  • Front Axle Lift System
  • Lower Front Fascia Painted
  • Lower Rear Fascia Painted
  • Rear Lid Intake Grille Slats Painted
  • Side Mirror Lower Trim Painted
  • Side Skirts Painted
  • SportDesign Exterior Mirrors
  • SportDesign Exterior Mirrors in Carbon Fiber
  • Window Triangle Trims in Carbon Fiber
  • Instrument Dials in Bordeaux Red
  • Instrument Dials in Guards Red
  • Instrument Dials in Luxor Beige
  • Instrument Dials in Racing Yellow
  • Instrument Dials in White
  • Seat Belts in Bordeaux Red
  • Seat Belts in Chalk
  • Seat Belts in Guards Red
  • Seat Belts in Luxor Beige
  • Seat Belts in Miami Blue
  • Seat Belts in Racing Yellow
  • Seat Belts in Silver Grey
  • Air Vents in Leather
  • Aluminum PDK Gear Selector
  • Climate Control Panel in Leather
  • Gear Lever in Carbon Fiber
  • Manual Gear Lever in Mahogany
  • PDK Gear Selector in Carbon Fiber
  • PDK Gear Selector in Mahogany
  • Pedals & Footrest in Aluminum
  • Sun Visors in Alcantara
  • Sun Visors in Leather
  • Transmission Tunnel in Leather
  • SportDesign Package
  • Adaptive Cruise Control (ACC)
  • Air Vent Slats Painted
  • Air Vent Slats in Leather
  • Air Vents Painted
  • BURMESTER High-End Surround Sound-System
  • Bi-Xenon Headlights W/Porsche Dynamic Light System
  • Bose Surround Sound System
  • Carbon Fiber Floor Mats W/Decorative Stitching
  • Carbon Fiber Floor Mats W/Leather Edging
  • Climate Control Panel Painted
  • Contrast Stitching Interior Package
  • Customization Package Manual Gear Lever
  • Customization Package PDK Gear Selector
  • Door-Sill Guards In Carbon Fiber
  • Extended Contrast Stitching Interior Package
  • Extended Leather Interior Package Dashboard
  • Extended Leather Interior Package Door Surfaces
  • Extended Leather Interior Package Rear
  • Exterior Mirrors Lower Trim Painted In Black
  • Exterior Package In High-Gloss Black
  • Exterior Package Painted
  • Floor Mats W/Leather Edging & Decorative Stitching
  • Front Seat Heating
  • Front Seat Ventilation
  • GT Sport Steering Wheel In Alcantara
  • GT Sport Steering Wheel In Alcantara W/PDK
  • HTD Multifunction SPT Steering Wheel In Mahogany
  • Heated Multifunction Steering WHL In Carbon Fiber
  • Illuminated Door-Sill Guards In Carbon Fiber
  • Illuminated Door-Sill Guards In Stainless Steel
  • Inner Door-Sill Guards In Leather
  • Inner Door-Sill Guards In Leather (XVB)
  • Interior Package In Leather W/Leather Interior
  • Interior Package Painted
  • Interior Package Painted W/Leather Interior
  • Interior Trim In Brushed Aluminum
  • Interior Trim In Brushed Aluminum W/LTHR Interior
  • Interior Trim In Carbon Fiber
  • Interior Trim In Carbon Fiber W/Leather Interior
  • Interior Trim In Dark Mahogany
  • Interior Trim In Dark Mahogany W/Leather Interior
  • Leather Interior Package
  • Led Headlights In Black
  • Led Headlights W/Porsche Dynamic Light System Plus
  • Light Design Package
  • Personalized Door-Sill Guards In Carbon Fiber
  • Personalized Door-Sill Guards In Stainless Steel
  • Porsche Ceramic Composite Brake (PCCB)
  • Porsche Entry & Drive
  • Porsche Logo & 911 Model Designation Painted
  • Porsche Logo & Model Designation Painted
  • Porsche Torque Vectoring (PTV)
  • Porsche Torque Vectoring Plus (PTV Plus)
  • Premium Package Plus W/Adaptive Sport Seats Plus
  • Premium Package Plus W/Power Sport Seats
  • Premium Package W/Adaptive Sport Seats Plus
  • Premium Package W/Power Sport Seats
  • Rear Center Tunnel In LTHR W/Decorative Stitching
  • Sport CHRONO Package
  • Sport Exhaust System W/Tailpipes In Black
  • Sport Exhaust System W/Tailpipes In Silver
  • Sport Tailpipes In Black
  • Sport Tailpipes In Silver
  • Sportdesign Front Fascia
  • Steering Column Casing In Leather (XVA)
  • Tinted Taillights
  • Vehicle Key Painted W/Key Pouch In Leather
  • Wheels Painted In Exterior Color
  • Wheels Painted In High Gloss Black
  • Wheels Painted In Jet Black Metallic
  • Wheels Painted In Satin Black
  • Wheels Painted In Satin Platinum
  • Lane Change Assist (LCA)
  • Agate Grey, Leather Seat Trim W/Leather Interior
  • Black, Leather Seat Trim W/Leather Interior
  • Black/Bordeaux Red, Two-Tone Leather Seat Trim
  • Black/Dark Silver, Leather Seat Trim W/Sport-Tex Seat Centers
  • Black/Luxor Beige, Two-Tone Leather Seat Trim
  • Bordeaux Red, Special Color Leather Seat Trim
  • Color To Sample, Leather Seat Trim In Color To Sample
  • Espresso, Natural Leather Seat Trim
  • Espresso/Cognac, Two-Tone Natural Leather Seat Trim
  • Graphite Blue, Special Color Leather Seat Trim
  • Graphite Blue/Chalk, Leather Seat Trim W/Sport-Tex Seat Centers
  • Graphite Blue/Chalk, Two-Tone Leather Seat Trim
  • Seat Centers in Contrasting Leather
  • 14-Way Power Sport Seats
  • 18-Way Adaptive Sport Seats Plus
  • 4-Way Sport Seats Plus
  • Transmission: 7-Speed Porsche DOPPELKUPPLUNG (PDK)
  • Wheels: 20" CARRERA Classic
  • Wheels: 20" CARRERA Sport
  • Wheels: 20" RS SPYDER Design
  • Wheels: 8.5J X 20" FR/11.5J X 20" RR CARRERA S
  • Wheels: 9J X 20" FR/11.5J X 20" RR 911 Turbo

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