Specifications 911 Targa 4 *
Body:
Monocoque structure; lightweight all-steel bodyshell, hot-galvanised on both sides; full-size frontal, side and head airbags for the driver and front passenger; 2+2 seater.
Aerodynamics:
Drag coefficient: Cd = 0.30
Frontal area:
A = 2.05 m2
Cd x A = 0.615
Power Unit:
Six-cylinder aluminium horizontally-opposed power unit, watercooled; engine block and cylinder heads made of aluminium; DFI Direct Fuel Injection; four overhead camshafts; four valves per cylinder; variable valve timing (VarioCam Plus); hydraulic valve play compensation; integrated dry sump lubrication with ondemand oil pump; engine oil capacity 10 litres (2.20 imp gals); coolant 28.9 - 31.5 litres (6.4 - 6.9 imp gals); twin-chamber exhaust system with pre- and main catalyst close to the engine; oxygen sensor control with two pre- and two downstream catalysts; Digital Motor Electronics SDI 3.1; sequential activation of high-pressure injectors; three-piston axial high-pressure pump with electrical volume control valve.
Bore: 97 mm/3.82"
Stroke: 81.5 mm/3.21"
Capacity: 3614 cc
Compression Ratio: 12.5:1
Engine Output: 254 kW (345 bhp) at 6500 rpm
Max Torque: 390 Nm (287 lb-ft) at 4400 rpm
Output per Litre: 70.3 kW/95.6 bhp
Max Engine Speed: 7500 rpm
Fuel Grade: Premium plus (RON/MON 98/88), unleaded
Electrical System: 12 V; three-phase alternator 2100 W; battery capacity 70 Ah.
* Specifications may vary according to markets
Power Transmission:
Engine and transmission bolted together to form one drive unit; all-wheel drive with electronically controlled, electromagnetically operated multiple-plate clutch (PTM), single-disc dry clutch with hydraulic assistance.
| Gear ratios: | Manual | PDK |
| 1st | 3.91 | 3.91 |
| 2nd | 2.32 | 2.29 |
| 3rd | 1.56 | 1.65 |
| 4th | 1.28 | 1.30 |
| 5th | 1.08 | 1.08 |
| 6th | 0.88 | 0.88 |
| 7th | – | 0.62 |
| Reverse | 3.59 | 3.55 |
| Final drive: | ||
| Rear axle: | 3.44 | 3.44 |
| Front axle: | 3.33 | 3.33 |
| Clutch diameter: | 240 mm(9.44”) | 202 mm / 153 mm (7.95”/6.02”) |
Chassis and Suspension:
Front axle in McPherson design (optimised by Porsche); spring strut axle configuration with wheels suspended individually on track control arms, longitudinal arms and spring struts; conical springs with inner damper, twin-sleeve gas-pressure dampers.
Rear axle in multi-arm configuration; wheels suspended independently on five arms; cylindrical coil springs on each wheel with co-axial inner damper; single-sleeve gas-pressure dampers.
Brakes:
Two-circuit brake system separated front-to-rear; four-piston aluminium monobloc brake callipers; cross-drilled, inner-vented brake discs measuring 330 x 28 mm (12.99 x 1.10") on the front axle and 330 x 28 mm (12.99 x 1.10") on the rear axle; PSM 8.0; vacuum brake power assistance.
Wheels and Tyres:
front 8 J x 18 on 235/40 ZR 18
rear 11 J x 18 on 295/35 ZR 18
Weight *:
Unladen, DIN 1530 kg (1560 kg)
Max permissible 1910 kg (1940 kg)
Dimensions:
Length 4435 mm (174.60")
Width 1852 mm (72.91")
Height 1310 mm (51.57")
Wheelbase 2350 mm (92.52")
Track front 1488 mm (58.58")
rear 1548 mm (60.94")
Luggage capacity to VDA: 105 litres, overall
Tank capacity: 67 litres (14.75 imp gals)
Performance *:
Top speed 284 (282) km/h
Acceleration in sec
0 - 100 km/h 5.2 (5.0)
0 - 160 km/h 11.3 (11.0)
0 - 200 km/h 18.2 (17.9)*
Standing-start/km 24.1 (23.8)
Fuel Consumption
(EU 5):
Urban 15.9 (15.5) litres
Extra-urban 7.4 (7.2) litres
Combined 10.6 (10.3) litres
CO2 Emissions
(EU 5): 249 (242) g/km
*Figures in brackets relate to cars with PDK transmission