Porsche 911 vs Alfa Romeo 4C Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2020 Alfa Romeo 4C Spider RWD
Photo of 2019 model year shown

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Used Car Pricing Used listing price comparison and analysis.

2020 Porsche 911
Carrera 4S Cabriolet AWD
CarGurus Instant Market Value
$155,731
2020 Alfa Romeo 4C
Spider RWD
CarGurus Instant Market Value
N/A

Expert Reviews Reviews from CarGurus experts.

2020 Porsche 911
Carrera 4S Cabriolet AWD
Andrew Newton Preview:

The highly anticipated eighth-generation version of the Porsche 911, known as the 992, debuts for 2020. The 911, available as a coupe or a cabriolet, comes in rear-wheel drive (RWD) Ca...

2020 Alfa Romeo 4C
Spider RWD
Cherise Threewitt Preview:

In 2015, with the introduction of its 4C, Alfa Romeo formally returned to the United States after a 20-year hiatus. This 4C, a light and nimble sports car, is currently available only ...

User Reviews Reviews from CarGurus users who have driven or owned the car.

2020 Porsche 911
Carrera 4S Cabriolet AWD
No User Reviews
2020 Alfa Romeo 4C
Spider RWD
5
writes:
Family Car Ranked 2019 Dodge Challenger better.
"<<<"
Value Ranked 2019 Dodge Challenger better.
"<<<"

Specs

2020 Porsche 911
Carrera 4S Cabriolet AWD
2020 Alfa Romeo 4C
Spider RWD
Powertrain 8-Speed Dual Clutch
Drivetrain
AWD
--
Fuel Economy, City -- --
Fuel Economy, Highway -- --
Fuel Tank Volume 17.6 gal --
Engine
Fuel Type
Gasoline
--
Power
443 hp @ 6,500 RPM
--
Torque
390 lb-ft @ 2,300 RPM
--
Cylinders
6 cylinders
--
Compression Ratio
10.2:1
--
Displacement
3,000 cc
--
Bore x Stroke
3.58 in x 3.01 in
--
Safety
ABS Brakes Standard --
Driver Airbag Standard --
Passenger Airbag Standard --
Curtain Airbags Standard --
Comfort and Convenience
Air Conditioning Standard --
CD Player Standard --
Radio Standard --
Power Windows Standard --
Power Door Locks Standard --
Driver Power Seats Standard --
Passenger Power Seats Standard --
Interior
Maximum Seating 4 seats --
Front Legroom -- --
Back Legroom -- --
Payload and Towing
Cargo Volume 4.6 cu ft --
Maximum Payload 912 lbs --
Exterior
Length 177.9 in --
Width 79.7 in --
Height 51.2 in --
Wheelbase 96.5 in --

Available Options

2020 Porsche 911
Carrera 4S Cabriolet AWD

Exterior Colors

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

Option Packages

  • Bose Surround Sound System
  • Porsche Active Suspension Management (PASM)
  • Illuminated Door-Sill Guards in Brushed Aluminum
  • Illuminated Door-Sill Guards in Carbon Fiber
  • SportDesign Side Skirts
  • Seat Belts in Bordeaux Red
  • Seat Belts in Chalk
  • Interior Trim in Carbon Fiber
  • Adaptive Cruise Control (Acc)
  • BURMESTER High-End Surround Sound-System
  • Brake Calipers In High Gloss Black
  • Comfort Access
  • Front & Rear PARKASSIST W/Surround View
  • Front Axle Lift System
  • Heated Multifunction GT Sport Steering Wheel
  • ILLUM. Personalized Door-Sill Guards In Carbon Fiber
  • Illuminated Personalized Door-Sill Guards
  • Interior Trim In Brushed Aluminum
  • Interior Trim In Leather
  • Interior Trim In Light Silver DIAMAR
  • Interior Trim In PALDAO
  • Interior Trim Painted In Exterior Color
  • Lane Change Assist (LCA)
  • Lane Keep Assist (LKA) W/Traffic Sign Recognition
  • Led-Matrix Headlights
  • Light Design Package
  • Multifunction GT Sport Steering Wheel In Alcantara
  • Night Vision Assist
  • Porsche Ceramic Composite Brakes (PCCB)
  • Porsche Ceramic Composite Brakes (PCCB) In Black
  • Porsche Dynamic Chassis Control (PDCC)
  • Porsche Dynamic Light System Plus (PDLS+)
  • Premium Package
  • Protection Film - Front
  • Rear Axle Steering
  • Seat Belts In Agave Green
  • Seat Belts In Guards Red
  • Seat Belts In Lizard Green
  • Seat Belts In Racing Yellow
  • Seat Belts In Silver Grey
  • Seat Belts In Truffle Brown
  • Seat Ventilation
  • Sport CHRONO Package
  • Sport Exhaust System W/Tailpipes In Black
  • Sport Exhaust System W/Tailpipes In Silver
  • Sport Package
  • Sportdesign Front Fascia
  • Sportdesign Package
  • Vehicle Key In Leather W/Key Pouch
  • Vehicle Key Painted W/Key Pouch In Alcantara
  • Vehicle Keys Painted W/1 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 Aurum
  • Wheels Painted In Satin Black
  • Wheels Painted In Satin Platinum
  • Agave Green, Club Leather Seat Trim
  • Agave Green, Club Leather Seat Trim W/Chalk Stitching
  • Black, LTHR Seat Trim W/Leather Interior & Chalk Stitching
  • Black, LTHR Seat Trim W/Sport-Tex Centers & Chalk Stitching
  • Black, Leather Seat Trim W/Leather Interior
  • Black, Leather Seat Trim W/Sport-Tex Centers
  • Bordeaux Red, LTHR Seat Trim W/Leather Interior & Chalk Stitching
  • Bordeaux Red, Leather Seat Trim W/Leather Interior
  • Bordeaux Red/Black, Leather Seat Trim W/Two-Tone Leather Interior
  • Chalk/Slate Grey, Leather Seat Trim W/Two-Tone Leather Interior
  • Graphite Blue, LTHR Seat Trim W/Leather Interior & Chalk Stitching
  • Graphite Blue, Leather Seat Trim W/Leather Interior
  • Island Green/Black, Leather Seat Trim W/Two-Tone Leather Interior
  • Mojave Beige/Black, Leather Seat Trim W/Two-Tone Leather Interior
  • Slate Grey, LTHR Seat Trim W/Leather Interior & Chalk Stitching
  • Slate Grey, Leather Seat Trim W/Leather Interior
  • Truffle Brown, Club Leather Seat Trim
  • Truffle Brown, Club Leather Seat Trim W/Chalk Stitching
  • 14-Way Power Sport Seats W/Memory Package
  • 18-Way Adaptive Sport Seats Plus W/Memory Package
  • HTD Multifunction GT Sport Steering WHL In Alcantara
  • Wheels: 20" Front/21" Rear CARRERA Classic
  • Wheels: 20" Front/21" Rear CARRERA Exclusive Design
  • Wheels: 20" Front/21" Rear RS SPYDER Design
2020 Alfa Romeo 4C
Spider RWD

Exterior Colors

  • Alfa Rosso
  • Basalt Gray Metallic
  • Black
  • Rosso Competizione Tri-Coat
  • White

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