Porsche 911 vs SRT Viper Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2019 Porsche 911 Carrera 4 Cabriolet AWD
Photo of 2018 model year shown

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Expert Reviews Reviews from CarGurus experts.

2019 Porsche 911
Carrera 4 Cabriolet AWD
No Expert Reviews
2014 SRT Viper
Base
Michael Perkins Preview:

Another year, and still no new Viper. Oh, there’s a new package option and a new color, and even a new mode for the stability control system—all designed to convince you the Viper need...

Specs

2019 Porsche 911
Carrera 4 Cabriolet AWD
2014 SRT Viper
Base
Powertrain 6-Speed Manual
Drivetrain
AWD
AWD
RWD
Fuel Economy, City
--
--
12 MPG
Fuel Economy, Highway
--
--
19 MPG
Fuel Tank Volume 16.9 gal 16 gal
Engine
Fuel Type
Gasoline
Gasoline
Gasoline
Power
370 hp @ 6,500 RPM
370 hp @ 6,500 RPM
640 hp @ 6,150 RPM
Torque
331 lb-ft @ 1,700 RPM
331 lb-ft @ 1,700 RPM
600 lb-ft @ 4,950 RPM
Cylinders
6 cylinders
6 cylinders
10 cylinders
Compression Ratio
10:1
10:1
10.2:1
Displacement
3,000 cc
3,000 cc
8,400 cc
Bore x Stroke
3.58 in x 2.99 in
3.58 in x 2.99 in
4.05 in x 3.96 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Curtain Airbags Standard --
NHTSA Crash Test Results
Comfort and Convenience
Air Conditioning Standard Standard
CD Player Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard --
Passenger Power Seats Standard Standard
Interior
Maximum Seating 4 seats 2 seats
Front Legroom 41.6 in 42.7 in
Back Legroom -- --
Payload and Towing
Cargo Volume 5.1 cu ft 14.7 cu ft
Maximum Payload 936 lbs --
Exterior
Length 177.1 in 175.7 in
Width 71.2 in 76.4 in
Height 50.7 in 49.1 in
Wheelbase 96.5 in 98.8 in

Available Options

2019 Porsche 911
Carrera 4 Cabriolet AWD
2014 SRT Viper
Base

Exterior Colors

  • Adrenaline Red
  • Billet Silver Metallic Clearcoat
  • Competition Blue Pearl Coat
  • GTS-R Blue Pearlcoat
  • Gunmetal Pearl
  • Race Yellow
  • Ta Orange Clear Coat
  • Venom Black Clearcoat
  • Viper White Clearcoat

Option Packages

  • Carbon Fiber Black Interior Accents
  • ADRENLINE Red GTS Racing Stripes
  • ADRENLINE Red SRT Racing Stripes
  • Advanced Aerodynamics Package
  • EXTERIOR CARBON FIBER PACKAGE
  • Grand Touring Package
  • Mopar Car Cover
  • SRT High Performance Audio W/12 Speaker
  • SRT High Performance Audio W/18 Speakers
  • Billet Silver GTS Racing Stripes
  • Billet Silver SRT Racing Stripes
  • Black GTS Racing Stripes
  • Black SRT Racing Stripes
  • Bright White GTS Racing Stripes
  • Bright White SRT Racing Stripes
  • Gunmetal GTS Racing Stripes
  • Gunmetal SRT Racing Stripes
  • Tires: P295/30ZR18 Front / P355/30ZR19 Rear PERF
  • Wheels: 18X10.5 FR/19X13.0 RR Rattler-Hyper
  • Wheels: 18X10.5 FR/19X13.0 RR Rattler-Matte
  • Wheels: 18X10.5 FR/19X13.0 RR Sidewinder II Hyper
  • Wheels: 18X10.5 FR/19X13.0 RR Sidewinder II Matte

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