2018 Porsche 911 Carrera 4 Cabriolet (991.2) Technical Specifications
Engine layout | Rear Engine |
Engine type | Boxer, twin-turbo |
Cylinders | 6 |
Valves per cylinder | 4 |
Construction | Aluminum crankcase and heads |
Fuel injection | Direct Fuel Injection (DFI) |
Fuel | Premium |
Displacement (Liters) | 3.01 |
Bore/Stroke (mm/mm) | 91.0 mm / 76.0 mm |
Maximum power output @ engine speed | 370 hp @ 6500 rpm |
Maximum torque @ engine speed | 331 lb.-ft. @ 1700-5000 rpm |
Maximum engine speed | 7500 |
Compression ratio | 10.0 1 |
Output per liter | 124.1 hp |
Lubrication | Integrated drv-sump |
Electrical System | 12 V, 2450 W alternator; battery capacity 95 Ah |
Power to weight ratio (lb/hp) | 8.9 (manual) / 9.1 (PDK) |
Drivetrain | Active all-wheel drive |
Chassis & Suspension | |
Body | Monocoque lightweight body in a combination of steel, aluminum and magnesium |
Front Axle | MacPherson strut with anti-roll bar |
Rear Axle | Aluminum multi-link with anti-roll bar |
Steering System | Variable ratio electromec. power steering |
Steering Ratio | 16.6 : 1 (on-center) to 12.5 : 1 |
Steering Ratio with rear-axle steering | not available |
Turning Circle | 36.7 ft |
Brakes & Wheels | |
Caliper type | Aluminum monobloc fixed-caliper brake |
Rotor material | Steel |
Caliper color | Black |
Number of pistons (front/rear) | 4 / 4 |
Rotor diameter (front/rear) mm | 330 mm / 330 mm |
Rotor thickness (front/rear) mm | 34 mm / 28 mm |
Name and option # | 19″ Carrera |
Number of gears | 7 |
Transmission type | 7-speed manual / 7-speed PDK |
Ratios | |
1st | 3.91 / 3.91 |
2nd | 2.29 / 2.29 |
3rd | 1.58 / 1.58 |
4th | 1.18 / 1.18 |
5th | 0.94 / 0.94 |
6th | 0.79 / 0.79 |
7th | 0.62 / 0.62 |
Reverse | 3.55 / 3.55 |
Final drive ratio front axle | 3.46 / 3.46 |
Total Rear Axle Ratio | 3.09 / 3.09 |
Clutch/Converter diameter (inches) | 9.4 inches (man.) / 8.0 / 6.0 inches (PDK) |
Dimensions, Aerodynamics, & Weight | |
Length (inches/mm) | 177.1 in. / 4499 mm |
Wheelbase (inches/mm) | 96.5 in. / 2450 mm |
Width w/ mirrors (inches/mm) | 77.9 in. / 1978 mm |
Width w/o mirrors (inches/mm) | 72.9 in. / 1852 mm |
Height | 50.7 in. / 1289 mm |
Track width front (inches/mm) | 60.7 in. / 1541 mm |
Track width rear (inches/mm) | 61.3 in. / 1558 mm |
Drag coefficient (Cd) | 0.3 |
Legroom (inches) | TBD |
Headroom (inches) | TBD |
Cargo area volume (cu.-ft.) front trunk | 125 l / 4.41 cu.-ft. |
Cargo area volume (cu.-ft.) rear seats | 260 l / 9.18 cu.-ft. |
Fuel tank capacity – refill volume (gal) | 17.9 gal. |
Curb weight (lbs) | 3417 lbs. (man.) / 3461 lbs. (PDK) |
Gross Vehicle Weight (lbs) | 4354 lbs. (man.) / 4387 lbs. (PDK) |
Payload range (lbs) | 937 lbs. (man.) / 926 lbs. (PDK) |
Performance | |
Top track speed manual (mph) | 179 mph |
Top track speed PDK (mph) | 178 mph |
Acceleration 0-60 manual (sec) | 4.5 sec. |
Acceleration 0-60 PDK (sec) | 4.3 sec. |
Acceleration 0-60 PDK with Launch Control (sec) | 4.1 sec. |
Quarter mile time manual (sec) | N/A |
Quarter mile time PDK (sec) | N/A |
Quarter mile time PDK with Launch Control (sec) | N/A |
Fuel Economy/Rating | |
City | 19 mpg (manual) /21 mpg (PDK) |
Highway | 28 mpg (manual) / 28 mpg (PDK) |
Combined | 22 mpg (manual) / 24 mpg (PDK) |