The Infiniti G35 Sedan (V36) 3.5i V6 AWD, produced from 2006 to 2008, represented a significant offering in the entry-level luxury sport sedan segment. Positioned as a performance-oriented alternative to established European rivals like BMW and Mercedes-Benz, the G35 aimed to deliver a compelling blend of power, handling, and features. This all-wheel-drive variant, equipped with the potent 3.5-liter V6 engine and a five-speed automatic transmission, occupied a middle ground within the V36 lineup, offering a balance between the more accessible rear-wheel-drive models and the higher-performance, manual transmission options. It was built on the Nissan FM platform, shared with the 350Z, emphasizing a front-engine, rear-wheel-drive biased layout even in the AWD configuration.
Technical Specifications
| Brand | Infiniti |
| Model | G |
| Generation | G35 Sedan (V36) |
| Type (Engine) | 3.5i V6 AWD (315 Hp) |
| Start of production | 2006 |
| End of production | 2008 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 17.5 l/100 km (13.4 US mpg, 16.1 UK mpg, 5.7 km/l) |
| Fuel consumption (extra urban) | 10.3 l/100 km (22.8 US mpg, 27.4 UK mpg, 9.7 km/l) |
| Fuel consumption (combined) | 13 l/100 km (18.1 US mpg, 21.7 UK mpg, 7.7 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.2 sec |
| Acceleration 0 – 62 mph | 6.2 sec |
| Acceleration 0 – 60 mph | 5.9 sec |
| Maximum speed | 204 km/h (126.76 mph) |
| Weight-to-power ratio | 5.5 kg/Hp, 183.1 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 208.1 Nm/tonne |
| Power | 315 Hp @ 6800 rpm |
| Power per litre | 90.1 Hp/l |
| Torque | 358 Nm @ 4800 rpm (264.05 lb.-ft. @ 4800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | VQ35HR |
| Engine displacement | 3498 cm3 (213.46 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 95.5 mm (3.76 in.) |
| Piston Stroke | 81.4 mm (3.2 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 4.9 l (5.18 US qt | 4.31 UK qt) |
| Coolant capacity | 9 l (9.51 US qt | 7.92 UK qt) |
| Kerb Weight | 1720 kg (3791.95 lbs.) |
| Max. weight | 2172 kg (4788.44 lbs.) |
| Max load | 452 kg (996.49 lbs.) |
| Trunk (boot) space – maximum | 411 l (14.51 cu. ft.) |
| Fuel tank capacity | 76 l (20.08 US gal | 16.72 UK gal) |
| Length | 4750 mm (187.01 in.) |
| Width | 1733 mm (68.23 in.) |
| Height | 1468 mm (57.8 in.) |
| Wheelbase | 2850 mm (112.2 in.) |
| Front track | 1520 mm (59.84 in.) |
| Rear (Back) track | 1529 mm (60.2 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 5 gears, automatic transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Air suspension |
| Front brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Tires size | 225/55 R17 |
Powertrain & Engine Architecture
The heart of the G35 3.5i AWD was the VQ35HR 3.5-liter V6 engine. This engine, a member of Nissan’s highly-regarded VQ family, was known for its smooth power delivery and reliability. The “HR” designation signified “High Revolution,” indicating improvements to the cylinder head, valve train, and intake system for increased high-rpm performance. It featured a 60-degree V-angle, dual overhead camshafts (DOHC) with continuously variable valve timing (CVTCS) on both intake and exhaust valves, and a multi-port fuel injection system. The engine produced 315 horsepower at 6800 rpm and 358 Nm (264 lb-ft) of torque at 4800 rpm. The five-speed automatic transmission, while not as sporty as the available six-speed manual, was designed for smooth and responsive shifts. It featured adaptive shift control, adjusting shift points based on driving conditions and throttle input. The all-wheel-drive system utilized a viscous limited-slip center differential, providing a rear-wheel-drive bias for enhanced handling characteristics.
Driving Characteristics
The G35 3.5i AWD offered a comfortable yet engaging driving experience. The automatic transmission, while efficient, didn’t provide the same level of driver control as the manual option. Acceleration from 0-60 mph was typically achieved in around 5.9 seconds, making it a quick contender in its class. The AWD system provided enhanced traction, particularly in inclement weather, but added weight compared to the rear-wheel-drive models. The suspension, tuned for a balance between comfort and handling, delivered a relatively smooth ride over most road surfaces. Compared to the 3.5L rear-wheel drive version, the AWD added approximately 150 lbs, slightly impacting acceleration and fuel economy. The gear ratios were optimized for everyday driving, with a focus on providing adequate torque for passing maneuvers and highway cruising.
Equipment & Trim Levels
The G35 3.5i AWD typically came standard with a generous array of features, including leather upholstery, power-adjustable front seats, a premium Bose audio system, automatic climate control, and a sunroof. Optional extras included navigation system, heated front seats, and a rear spoiler. The interior design was modern and upscale, with a focus on driver ergonomics. The dashboard featured a metallic trim and analog gauges, providing a sporty aesthetic. The specific trim level could vary slightly depending on regional packages, but generally offered a well-equipped and comfortable cabin.
Chassis & Braking
The G35 Sedan utilized a robust chassis with independent suspension all around. The front suspension employed a McPherson strut design with coil springs and an anti-roll bar, while the rear featured a multi-link setup. The AWD variant often included slightly stiffer springs and dampers to compensate for the added weight. Braking duties were handled by four-wheel disc brakes with ABS (Anti-lock Braking System) and Electronic Brake-force Distribution (EBD). The braking system provided ample stopping power and a firm pedal feel. The tires, typically 225/55 R17, offered a good balance between grip and ride comfort.
Market Reception & Comparison
The Infiniti G35 Sedan was generally well-received by automotive critics. It was praised for its powerful engine, sporty handling, and luxurious interior. The AWD variant was particularly appreciated for its all-weather capability. However, some critics noted that the automatic transmission wasn’t as engaging as the manual option, and the fuel economy was relatively low for its class. Compared to the rear-wheel-drive G35, the AWD model offered increased stability and traction but came at the cost of slightly reduced performance and fuel efficiency. Against its European competitors, the G35 offered a compelling value proposition, providing similar levels of performance and luxury at a lower price point.
Legacy
The VQ35HR engine proved to be remarkably durable and reliable, and many G35 Sedans continue to be driven today. While routine maintenance is essential, the powertrain is generally known for its longevity. The G35’s blend of performance, luxury, and value has made it a popular choice in the used car market. Common issues include oil consumption as the engine ages and potential problems with the cooling system. However, these are generally manageable with proper maintenance. The G35 Sedan helped establish Infiniti as a credible competitor in the luxury sport sedan segment and laid the foundation for future generations of performance-oriented vehicles from the brand.
