The Porsche 911 Carrera 3.4, equipped with the 350 horsepower engine and Porsche Doppelkupplung (PDK) dual-clutch transmission, represented a significant evolution in the iconic 911 lineage. Produced from 2011 to 2015 as part of the 991 generation, this variant occupied a central position in the Carrera lineup, offering a compelling blend of performance, luxury, and everyday usability. It served as a stepping stone between the base Carrera models and the more focused Carrera S and GTS variants, appealing to drivers seeking a high-performance sports car without sacrificing comfort or refinement.
Technical Specifications
| Brand | Porsche |
| Model | 911 |
| Generation | 911 (991) |
| Type (Engine) | Carrera 3.4 (350 Hp) PDK |
| Start of production | 2011 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (economy) – urban | 11.3 l/100 km (20.8 US mpg, 25 UK mpg, 8.8 km/l) |
| Fuel consumption (economy) – extra urban | 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l) |
| Fuel consumption (economy) – combined | 8.2 l/100 km (28.7 US mpg, 34.4 UK mpg, 12.2 km/l) |
| CO2 emissions | 191 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.4 sec |
| Acceleration 0 – 62 mph | 4.4 sec |
| Acceleration 0 – 60 mph | 4.2 sec |
| Maximum speed | 287 km/h (178.33 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 4.1 kg/Hp, 246.5 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 274.6 Nm/tonne |
| Power | 350 Hp @ 7400 rpm |
| Power per litre | 101.9 Hp/l |
| Torque | 390 Nm @ 5600 rpm (287.65 lb.-ft. @ 5600 rpm) |
| Engine layout | Middle, Longitudinal |
| Engine Model/Code | MA1.04 |
| Engine displacement | 3436 cm3 (209.68 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Boxer |
| Cylinder Bore | 97 mm (3.82 in.) |
| Piston Stroke | 77.5 mm (3.05 in.) |
| Compression ratio | 12.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Coolant | 29 l (30.64 US qt | 25.52 UK qt) |
| Kerb Weight | 1420 kg (3130.56 lbs.) |
| Max. weight | 1815 kg (4001.39 lbs.) |
| Max load | 395 kg (870.83 lbs.) |
| Trunk (boot) space – minimum | 340 l (12.01 cu. ft.) |
| Fuel tank capacity | 64 l (16.91 US gal | 14.08 UK gal) |
| Length | 4491 mm (176.81 in.) |
| Width | 1808 mm (71.18 in.) |
| Height | 1303 mm (51.3 in.) |
| Wheelbase | 2450 mm (96.46 in.) |
| Front track | 1532 mm (60.31 in.) |
| Rear (Back) track | 1518 mm (59.76 in.) |
| Drag coefficient (Cd) | 0.29 |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission PDK |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 235/40 ZR19; 285/35 ZR19 |
| Wheel rims size | 8.5J x 19; 11J x 19 |
Powertrain & Engine Architecture
At the heart of the 991 Carrera 3.4 PDK lies the MA1.04 flat-six engine. This 3.4-liter naturally aspirated powerplant benefits from direct fuel injection, a sophisticated valvetrain with variable valve lift (VarioCam Plus), and an integrated dry-sump lubrication system – a hallmark of Porsche engineering. The engine produces 350 horsepower at 7,400 rpm and 287 lb-ft of torque at 5,600 rpm. The PDK transmission is a seven-speed dual-clutch automated manual transmission. It offers both fully automatic operation and the ability for the driver to manually shift using paddle shifters mounted on the steering wheel. This transmission provides incredibly fast and smooth gear changes, contributing significantly to the car’s performance.
Driving Characteristics
The 991 Carrera 3.4 PDK delivers a refined yet engaging driving experience. While not as brutally quick as the Carrera S, the 350 hp engine provides ample power for spirited driving on both the road and the track. The PDK transmission’s quick shifts and intelligent programming optimize acceleration and responsiveness. Compared to the six-speed manual transmission available on other Carrera models, the PDK offers quicker acceleration times and improved fuel efficiency. The gear ratios are tuned to provide strong acceleration in the lower gears while maintaining comfortable cruising speeds at higher gears. The car feels balanced and predictable, with precise steering and excellent chassis control.
Equipment & Trim Levels
The Carrera 3.4 PDK came standard with a comprehensive list of features, including leather upholstery, automatic climate control, a touchscreen infotainment system with navigation, and a premium sound system. Optional extras were plentiful, allowing buyers to personalize their vehicles. Popular options included sport seats, a sunroof, adaptive suspension (Porsche Active Suspension Management – PASM), and various interior trim packages. The interior design was modern and driver-focused, with a clear and intuitive layout.
Chassis & Braking
The 991 generation 911 featured a redesigned chassis with a longer wheelbase and wider track compared to its predecessor. This contributed to improved stability and handling. The Carrera 3.4 PDK utilized a McPherson strut front suspension and a multi-link rear suspension. The braking system consisted of ventilated discs on all four wheels, providing ample stopping power. Porsche’s ABS (Anti-lock Braking System) and stability control systems further enhanced safety and control.
Market Reception & Comparison
The 991 Carrera 3.4 PDK was well-received by automotive critics, who praised its performance, handling, and refinement. It was often seen as the sweet spot in the 911 lineup, offering a compelling balance of attributes. Compared to the base Carrera with a manual transmission, the PDK version offered quicker acceleration and improved fuel economy. Compared to the Carrera S, the 3.4 offered a more accessible price point and a slightly more comfortable ride. Fuel economy figures averaged around 28.7 US mpg combined, making it relatively efficient for a sports car of its caliber.
Legacy
The 991 Carrera 3.4 PDK has proven to be a reliable and durable sports car. The MA1.04 engine is known for its longevity, and the PDK transmission has also demonstrated good reliability with proper maintenance. On the used car market, these models remain highly sought after, commanding strong prices due to their performance, prestige, and overall quality. They represent a compelling entry point into Porsche ownership, offering a taste of the 911 experience without the higher price tag of the more powerful variants.
