2005-2008 Porsche 911 (997) Carrera 4 3.6 (325 Hp)

The Porsche 911 Carrera 4 3.6, produced between 2005 and 2008, represents a significant iteration of the iconic 911 lineage, falling within the 997 generation. This variant distinguished itself as a capable all-wheel-drive grand tourer, offering a blend of performance and usability. Positioned as a mid-range offering within the 997 lineup, it sat above the rear-wheel-drive Carrera and below the more potent Carrera S models. The Carrera 4 3.6 aimed to provide enhanced traction and stability, particularly in inclement weather, making it a popular choice for drivers in regions experiencing varied climates. It was a key model in solidifying the 997’s reputation as a technologically advanced and driver-focused sports car.

Technical Specifications

Brand Porsche
Model 911
Generation 911 (997)
Type (Engine) Carrera 4 3.6 (325 Hp)
Start of production 2005
End of production 2008
Powertrain Architecture Internal Combustion engine
Body type Coupe
Seats 4
Doors 2
Fuel consumption (urban) 16.6 l/100 km (14.2 US mpg, 17 UK mpg, 6 km/l)
Fuel consumption (extra urban) 8.4 l/100 km (28 US mpg, 33.6 UK mpg, 11.9 km/l)
Fuel consumption (combined) 11.3 l/100 km (20.8 US mpg, 25 UK mpg, 8.8 km/l)
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 5.1 sec
Acceleration 0 – 62 mph 5.1 sec
Acceleration 0 – 60 mph 4.8 sec
Maximum speed 280 km/h (173.98 mph)
Emission standard Euro 4
Weight-to-power ratio 4.5 kg/Hp, 224.1 Hp/tonne
Weight-to-torque ratio 3.9 kg/Nm, 255.2 Nm/tonne
Power 325 Hp @ 6800 rpm
Power per litre 90.4 Hp/l
Torque 370 Nm @ 4250 rpm (272.9 lb.-ft. @ 4250 rpm)
Engine layout Rear, Longitudinal
Engine Model/Code M96.05
Engine displacement 3596 cm3 (219.44 cu. in.)
Number of cylinders 6
Engine configuration Boxer
Cylinder Bore 96 mm (3.78 in.)
Piston Stroke 82.8 mm (3.26 in.)
Compression ratio 11.3:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain DOHC
Engine oil capacity 8.3 l (8.77 US qt | 7.3 UK qt)
Coolant 31 l (32.76 US qt | 27.28 UK qt)
Kerb Weight 1450 kg (3196.7 lbs.)
Max. weight 1865 kg (4111.62 lbs.)
Max load 415 kg (914.92 lbs.)
Trunk (boot) space – maximum 105 l (3.71 cu. ft.)
Fuel tank capacity 67 l (17.7 US gal | 14.74 UK gal)
Length 4427 mm (174.29 in.)
Width 1852 mm (72.91 in.)
Height 1310 mm (51.57 in.)
Wheelbase 2350 mm (92.52 in.)
Front track 1465 mm (57.68 in.)
Rear (Back) track 1500 mm (59.06 in.)
Drag coefficient (Cd) 0.29
Minimum turning circle (turning diameter) 10.9 m (35.76 ft.)
Drive wheel All wheel drive (4×4)
Number of gears and type of gearbox 6 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
Power steering Hydraulic Steering
Tires size 235/40 R18ZR; 265/40 R18ZR
Wheel rims size 8J x 18; 11J x 18

Powertrain & Engine Architecture

At the heart of the 997 Carrera 4 3.6 lies the M96.05 engine, a 3.6-liter naturally aspirated flat-six. This engine, a hallmark of Porsche engineering, features a dry-sump lubrication system, crucial for maintaining oil supply during high-g maneuvers. The M96.05 utilizes multi-port fuel injection, delivering fuel directly into the intake ports, and a dual overhead camshaft (DOHC) valvetrain. This configuration allows for precise control of valve timing, optimizing both power and efficiency. The engine produces 325 horsepower at 6800 rpm and 370 Nm (272.9 lb-ft) of torque at 4250 rpm. The standard transmission for this model was a six-speed manual, although a five-speed Tiptronic S automatic transmission was also available. The all-wheel-drive system employs a viscous coupling to distribute power between the front and rear axles, providing enhanced traction without the complexity of a more advanced electronic system.

Driving Characteristics

The Carrera 4 3.6, even with the manual transmission, offered a refined and engaging driving experience. The all-wheel-drive system provided a noticeable increase in stability, particularly on slippery surfaces. Acceleration from 0 to 60 mph took approximately 4.8 seconds, and the car could reach a top speed of 280 km/h (174 mph). Compared to the rear-wheel-drive Carrera, the Carrera 4 felt more planted and predictable, but some purists noted a slight reduction in the raw, tail-happy feel that characterized the traditional 911 experience. The automatic transmission, while offering convenience, did slightly diminish the sense of driver involvement and resulted in marginally slower acceleration times. The gear ratios were tuned for a balance between performance and fuel economy, providing adequate power for both spirited driving and comfortable cruising.

Equipment & Trim Levels

The Carrera 4 3.6 came standard with a well-appointed interior featuring leather upholstery, automatic climate control, and a basic audio system. Optional extras were plentiful, allowing buyers to customize their vehicles to their preferences. Popular options included sport seats, a Bose audio system, navigation, and various interior trim packages. The dashboard layout was typical of the 997 generation, with a central tachometer flanked by gauges for speed, fuel level, and coolant temperature. The overall aesthetic was one of understated elegance, reflecting Porsche’s commitment to functional design.

Chassis & Braking

The 997 Carrera 4 3.6 utilized an independent suspension system at all four corners, with McPherson struts at the front and a multi-link setup at the rear. This configuration provided a comfortable ride while maintaining excellent handling characteristics. The braking system consisted of ventilated discs on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) was standard, enhancing safety and control. The chassis was designed to be lightweight and rigid, contributing to the car’s overall agility.

Market Reception & Comparison

The 997 Carrera 4 3.6 was generally well-received by automotive critics. It was praised for its performance, handling, and all-weather capability. However, some reviewers noted that the all-wheel-drive system added weight, slightly diminishing the car’s overall agility compared to the rear-wheel-drive Carrera. Fuel economy was reasonable for a sports car of its caliber, averaging around 20.8 US mpg in combined driving. Compared to the more powerful Carrera S models, the Carrera 4 3.6 offered a more accessible entry point into the 997 lineup, appealing to buyers who prioritized usability and all-weather performance over outright speed.

Legacy

The M96.05 engine, while generally reliable, is known to be susceptible to intermediate shaft (IMS) bearing failure, a potential issue that has become well-documented within the Porsche community. Addressing this issue proactively with an updated IMS bearing is often recommended for owners of these vehicles. Despite this potential concern, the 997 Carrera 4 3.6 remains a highly sought-after sports car in the used market. Its combination of performance, practicality, and iconic Porsche styling ensures its continued appeal to enthusiasts. Well-maintained examples command strong prices, reflecting the enduring desirability of the 997 generation.

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