2018 Porsche 911 Targa 4S (991.2) Technical Specifications
| Engine | |
| 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) | 3.0 L |
| Bore/Stroke (mm/mm) | 91.0 mm / 76.0 mm |
| Maximum power output @ engine speed | 420 hp @ 6500 |
| Maximum torque @ engine speed | 368 lb.-ft. @ 1700-5000 |
| Maximum engine speed | 7500 |
| Compression ratio | 10.0 1 |
| Output per liter | 140.0 hp |
| Lubrication | Integrated dry-sump |
| Electrical System |
12 V, 2940 W alternator; battery capacity 80 Ah
|
| Power to weight ratio (lb/hp) Drivetrain |
8.3 (manual) / 8.4 (PDK) 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 | 15.0:1 (on-center) to 12.5:1 |
| Turning Circle | 36.7 ft / 35.1 ft. (with rear axle steering) |
| Brakes & Wheels | |
| Caliper type | Aluminum monobloc fixed-caliper brake |
| Rotor material | Steel |
| Caliper color | |
| Number of pistons (front/rear) | 6 / 4 |
| Rotor diameter (front/rear) mm | 350 mm / 330 mm |
| Rotor thickness (front/rear) mm | 34 mm / 28 mm |
| Standard wheels | 20″ Carrera S |
| Wheels (front/rear | 8.5J x 20″ / 11.5J x 20″ |
| Tires (front/rear) | 245/35 ZR 20 / 305/30 ZR 20 |
| Transmission | |
| 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) | 9.0 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 | 50.9 in. / 1293 mm |
| Track width front (inches/mm) | 60.7 in. / 1543 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 | 160 l / 5.65 cu.-ft. |
| Fuel tank capacity – refill volume (gal) | 17.9 gal. |
| Curb weight (lbs) | 3483 lbs. (man.) / 3527 lbs. (PDK) |
| Gross Vehicle Weight (lbs) | 4243 lbs. (man.) / 4276 lbs. (PDK) |
| Payload range (lbs) | 760 lbs. (man.) / 749 lbs. (PDK) |
| Performance | |
| Top track speed manual (mph) | 188 mph |
| Top track speed PDK (mph) | 187 mph |
| Acceleration 0-60 manual (sec) | 4.2 sec. |
| Acceleration 0-60 PDK (sec) | 4.0 sec. |
| Acceleration 0-60 PDK with Launch Control (sec) | 3.8 sec. |
| Quarter mile time manual (sec) | 12.6 sec. |
| Quarter mile time PDK (sec) | 12.4 sec. |
| Quarter mile time PDK with Launch Control (sec) | 12.1 sec. |
| Fuel Economy/Rating | |
| City | 19 mpg (manual) / 21 mpg (PDK) |
| Highway | 28 mpg (manual) / 28 mpg (PDK) |
| Combined | 22 mpg (manual) / 24 mpg (PDK) |
