The Porsche 911 (997) Carrera 4S 3.8, equipped with the Tiptronic S automatic transmission, represents a significant iteration of Porsche’s iconic sports car. Produced from 2005 to 2008, this variant occupied a premium position within the 997 generation, offering all-wheel drive capability and a more refined driving experience compared to the rear-wheel drive Carrera models. It was positioned above the base Carrera and Carrera S models, but below the more track-focused GT3 variants. The 997 generation itself was a substantial evolution of the 911 formula, introducing more modern technology and improved build quality while retaining the classic 911 silhouette and driving dynamics.
Technical Specifications
| Brand | Porsche |
| Model | 911 |
| Generation | 911 (997) |
| Type | Carrera 4S 3.8 (355 Hp) Tiptronic S |
| Start of production | 2005 |
| End of production | 2008 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 18 l/100 km (13.1 US mpg, 15.7 UK mpg, 5.6 km/l) |
| Fuel consumption (extra urban) | 8.6 l/100 km (27.4 US mpg, 32.8 UK mpg, 11.6 km/l) |
| Fuel consumption (combined) | 11.9 l/100 km (19.8 US mpg, 23.7 UK mpg, 8.4 km/l) |
| CO2 emissions | 286 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5.3 sec |
| Acceleration 0 – 62 mph | 5.3 sec |
| Acceleration 0 – 60 mph | 5 sec |
| Maximum speed | 280 km/h (173.98 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 4.3 kg/Hp |
| Weight-to-torque ratio | 3.8 kg/Nm |
| Power | 355 Hp @ 6600 rpm |
| Power per litre | 92.8 Hp/l |
| Torque | 400 Nm @ 4600 rpm (295.02 lb.-ft. @ 4600 rpm) |
| Engine layout | Rear, Longitudinal |
| Engine Model/Code | M97.01 |
| Engine displacement | 3824 cm3 (233.35 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Boxer |
| Compression ratio | 11.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Coolant capacity | 31 l (32.76 US qt | 27.28 UK qt) |
| Kerb Weight | 1515 kg (3340 lbs) |
| Max. weight | 1900 kg (4188.78 lbs) |
| Max load | 385 kg (848.78 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 | 1300 mm (51.18 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 | 10.9 m (35.76 ft) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 5 |
| Gearbox type | automatic transmission Tiptronic S |
| 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 | 235/35 R19ZR; 295/30 R19ZR |
| Wheel rims size | 8J x 19; 11J x 19 |
Powertrain & Engine Architecture
At the heart of the 997 Carrera 4S 3.8 Tiptronic S lies the M97.01 engine, a 3.8-liter naturally aspirated flat-six. This engine builds upon the advancements made in previous 911 engines, featuring a dry-sump lubrication system crucial for maintaining oil supply during aggressive cornering. The engine utilizes multi-port fuel injection, delivering fuel directly into the intake ports, and a dual overhead camshaft (DOHC) valvetrain for precise control of the intake and exhaust valves. The 3.8-liter displacement, achieved through a larger bore and stroke compared to the 3.6-liter engines found in earlier 997s, contributes to the increased power output of 355 horsepower and 400 Nm (295 lb-ft) of torque. The Tiptronic S transmission is a five-speed automatic with a torque converter, offering both fully automatic operation and manual gear selection via steering wheel-mounted paddles or the gear selector. This transmission was known for its relatively quick shifts and smooth operation, though it wasn’t as responsive as the available six-speed manual.
Driving Characteristics
The Carrera 4S 3.8 Tiptronic S delivers a refined and capable driving experience. While not as raw or engaging as the manual transmission variants, the Tiptronic S provides a comfortable and accessible way to enjoy the 911’s performance. The all-wheel drive system provides enhanced traction, particularly in inclement weather or during spirited driving on winding roads. The automatic transmission’s gear ratios are tuned for a balance of acceleration and fuel efficiency. Acceleration from 0 to 60 mph takes approximately 5 seconds, and the car can reach a top speed of 174 mph. Compared to the standard Carrera or Carrera S with a manual transmission, the Tiptronic S version sacrifices some driver involvement but gains in ease of use and everyday usability. The all-wheel drive also adds weight, slightly impacting agility compared to the rear-wheel drive models.
Equipment & Trim Levels
The Carrera 4S 3.8 Tiptronic S came standard with a generous array of features, including leather upholstery, automatic climate control, a Bose sound system, and power-adjustable seats. Optional extras were plentiful, allowing buyers to personalize their vehicles. Popular options included sport seats, a navigation system, a sunroof, and various interior trim packages. The “S” designation indicated a higher level of standard equipment and performance compared to the base Carrera models. The interior design was typical Porsche, focusing on functionality and a driver-centric layout. The dashboard featured a prominent central tachometer, along with gauges for speed, coolant temperature, and fuel level.
Chassis & Braking
The 997 Carrera 4S utilizes an independent suspension system, with McPherson struts at the front and a multi-link setup at the rear. This suspension design provides a comfortable ride while maintaining excellent handling characteristics. The all-wheel drive system distributes power to all four wheels, enhancing traction and stability. Braking duties are handled by ventilated disc brakes on all four corners, providing ample stopping power. Anti-lock braking system (ABS) is standard, further enhancing safety. The Carrera 4S typically featured larger brake rotors and calipers compared to the base Carrera models, contributing to improved braking performance.
Market Reception & Comparison
The 997 Carrera 4S 3.8 Tiptronic S was generally well-received by automotive critics. It was praised for its performance, handling, and refinement. However, some reviewers noted that the Tiptronic S transmission wasn’t as engaging as the manual gearbox. Fuel economy was considered reasonable for a high-performance sports car, but not exceptional. Compared to the Carrera 4S with a manual transmission, the Tiptronic S version appealed to buyers who prioritized comfort and convenience over outright driving involvement. Compared to the more focused GT3 models, the Carrera 4S offered a more balanced and versatile driving experience.
Legacy
The 997 Carrera 4S 3.8 Tiptronic S remains a desirable Porsche model in the used car market. The M97.01 engine is generally considered reliable, although regular maintenance is crucial. The intermediate service (IMS) bearing issue, prevalent in some earlier 997 models, is less of a concern with the 3.8-liter engines, but it’s still worth investigating during a pre-purchase inspection. The Tiptronic S transmission is also generally reliable, but it’s important to ensure that it has been properly maintained. The 997 generation is widely regarded as a sweet spot in the 911 lineage, offering a blend of classic Porsche character and modern technology. The Carrera 4S 3.8 Tiptronic S, with its all-wheel drive and automatic transmission, continues to provide a rewarding and enjoyable driving experience for enthusiasts.



