The Porsche 911 Carrera 4S 3.8, produced between 2012 and 2015, represents a significant iteration of the iconic 911 lineage, falling within the 991 generation. This variant occupied a sweet spot in the 911 lineup, offering a compelling blend of performance, all-weather capability, and everyday usability. Positioned above the base Carrera models and below the more focused Carrera GTS, the 4S catered to buyers seeking a more engaging driving experience without sacrificing comfort or practicality. It was a key model in Porsche’s strategy to broaden the 911’s appeal while maintaining its core sporting character.
Technical Specifications
| Brand | Porsche |
| Model | 911 |
| Generation | 911 (991) |
| Type (Engine) | Carrera 4S 3.8 (400 Hp) |
| Start of production | 2012 |
| End of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (economy) – urban | 13.8 l/100 km (17 US mpg, 20.5 UK mpg, 7.2 km/l) |
| Fuel consumption (economy) – extra urban | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| Fuel consumption (economy) – combined | 9.9 l/100 km (23.8 US mpg, 28.5 UK mpg, 10.1 km/l) |
| CO2 emissions | 233 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.5 sec |
| Acceleration 0 – 62 mph | 4.5 sec |
| Acceleration 0 – 60 mph | 4.3 sec |
| Maximum speed | 299 km/h (185.79 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 3.7 kg/Hp, 273 Hp/tonne |
| Weight-to-torque ratio | 3.3 kg/Nm, 300.3 Nm/tonne |
| Power | 400 Hp @ 7400 rpm |
| Power per litre | 105.3 Hp/l |
| Torque | 440 Nm @ 5600 rpm (324.53 lb.-ft. @ 5600 rpm) |
| Engine layout | Rear, Longitudinal |
| Engine Model/Code | MA1.03 |
| Engine displacement | 3800 cm3 (231.89 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Boxer |
| Cylinder Bore | 102 mm (4.02 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 | 1465 kg (3229.77 lbs.) |
| Max. weight | 1875 kg (4133.67 lbs.) |
| Max load | 410 kg (903.9 lbs.) |
| Trunk (boot) space – minimum | 385 l (13.6 cu. ft.) |
| Fuel tank capacity | 68 l (17.96 US gal | 14.96 UK gal) |
| Length | 4491 mm (176.81 in.) |
| Width | 1852 mm (72.91 in.) |
| Height | 1296 mm (51.02 in.) |
| Wheelbase | 2450 mm (96.46 in.) |
| Front track | 1538 mm (60.55 in.) |
| Rear (Back) track | 1552 mm (61.1 in.) |
| Drag coefficient (Cd) | 0.30 |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 7 gears, manual transmission |
| Front suspension | Independent type McPherson |
| 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 | 245/35 ZR20; 305/30 ZR20 |
| Wheel rims size | 8.5J x 20; 11J x 20 |
Powertrain & Engine Architecture
At the heart of the 911 Carrera 4S 3.8 lies the MA1.03 engine, a 3.8-liter naturally aspirated flat-six. This engine is a direct evolution of the previous generation’s 3.6-liter unit, benefitting from an increased bore and stroke to deliver greater displacement and power. The engine utilizes direct fuel injection (DFI), a technology that precisely meters fuel directly into the combustion chamber, improving efficiency and responsiveness. The valvetrain employs four valves per cylinder, contributing to the engine’s high-revving nature and broad powerband. The 4S featured a seven-speed manual transmission as standard, offering precise gear changes and a direct connection to the engine. Porsche’s PDK (Porsche Doppelkupplung) seven-speed dual-clutch transmission was also available as an option, providing lightning-fast shifts and enhanced performance.
Driving Characteristics
The 911 Carrera 4S 3.8 delivered a distinctly engaging driving experience. The 400 horsepower and 324 lb-ft of torque provided ample power for both spirited driving and comfortable cruising. Acceleration from 0 to 60 mph took approximately 4.3 seconds, and the car could reach a top speed of 185.79 mph. The all-wheel-drive system, Porsche Traction Management (PTM), distributed power between the front and rear axles, enhancing traction and stability, particularly in adverse weather conditions. Compared to the base Carrera, the 4S offered improved grip and cornering ability. While not as raw or focused as the Carrera GTS, the 4S provided a more accessible and confidence-inspiring driving experience for a wider range of drivers. The gear ratios in the seven-speed manual were well-spaced, allowing the driver to keep the engine within its optimal powerband.
Equipment & Trim Levels
The Carrera 4S came standard with a generous array of features, including bi-xenon headlights, a power liftback, a partial leather interior, and a high-fidelity sound system. Optional extras were plentiful, allowing buyers to personalize their vehicles to their exact preferences. Popular options included a full leather interior, sport seats, the PDK transmission, Porsche Dynamic Chassis Control (PDCC), and various exterior customization options. The interior design was typically Porsche – functional, elegant, and driver-focused. The dashboard featured a central tachometer flanked by digital displays providing information on speed, fuel level, and other vital parameters.
Chassis & Braking
The 991 generation 911 featured a redesigned chassis that was both lighter and stiffer than its predecessor. The Carrera 4S benefited from a wider track and a lower ride height, further enhancing its handling characteristics. The suspension utilized independent McPherson struts at the front and a multi-link setup at the rear. Braking duties were handled by ventilated discs on all four wheels, providing ample stopping power. Porsche’s ABS (Anti-lock Braking System) and stability control systems were standard, ensuring safe and controlled braking performance.
Market Reception & Comparison
The 911 Carrera 4S 3.8 was widely praised by automotive critics for its performance, handling, and refinement. It was considered a well-rounded sports car that offered a compelling blend of practicality and driving enjoyment. Compared to the base Carrera, the 4S was seen as a worthwhile upgrade for those seeking improved traction and stability. Against competitors such as the Audi R8 and Mercedes-Benz 911, the 911 Carrera 4S stood out for its unique driving experience and iconic status. Fuel economy was respectable for a sports car of its caliber, with combined fuel consumption rated at around 23.8 US mpg. Reliability was generally good, although some owners reported minor issues with the direct fuel injection system.
Legacy
The 991 Carrera 4S 3.8 remains a highly sought-after model in the used car market. Its combination of performance, all-wheel-drive capability, and Porsche’s renowned build quality has ensured its enduring appeal. The MA1.03 engine is known for its durability and relatively straightforward maintenance. While direct fuel injection systems can be prone to carbon buildup over time, regular maintenance and the use of high-quality fuel can mitigate this risk. Today, the 991 Carrera 4S represents a sweet spot in the 911 lineage, offering a modern and engaging driving experience at a relatively accessible price point.



