The Infiniti I30, produced between 1995 and 2000, represented Infiniti’s entry into the mid-size luxury sedan segment. Positioned as a more affordable alternative to established European and Japanese competitors, the I30 aimed to deliver a blend of comfort, performance, and value. It was based on the Nissan Maxima platform (A32 chassis) but featured unique styling and a more upscale interior. The 3.0 variant, equipped with the 3.0-liter V6 engine producing 193 horsepower, was a mainstay of the I30 lineup throughout its production run, offering a balance between performance and fuel efficiency. This model was primarily marketed towards American consumers seeking a refined and reliable luxury sedan.
Technical Specifications
| Brand | Infiniti |
| Model | I30 |
| Generation | I30 |
| Type (Engine) | 3.0 (193 Hp) |
| Start of production | 1995 |
| End of production | 2000 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 11.2 l/100 km (21 US mpg) |
| Fuel consumption (extra urban) | 8.4 l/100 km (28 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.7 sec |
| Acceleration 0 – 62 mph | 7.7 sec |
| Acceleration 0 – 60 mph | 7.3 sec |
| Maximum speed | 205 km/h (127.38 mph) |
| Weight-to-power ratio | 7.4 kg/Hp |
| Weight-to-torque ratio | 5.2 kg/Nm |
| Power | 193 Hp @ 5600 rpm |
| Torque | 278 Nm @ 4000 rpm (205.04 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine displacement | 2988 cm3 (182.34 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 93 mm (3.66 in.) |
| Piston Stroke | 73.3 mm (2.89 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Kerb Weight | 1435 kg (3163.63 lbs.) |
| Max. weight | 1940 kg (4276.97 lbs.) |
| Max load | 505 kg (1113.33 lbs.) |
| Trunk (boot) space – minimum | 440 l (15.54 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4816 mm (189.61 in.) |
| Width | 1770 mm (69.69 in.) |
| Height | 1415 mm (55.71 in.) |
| Wheelbase | 2700 mm (106.3 in.) |
| Front track | 1519 mm (59.8 in.) |
| Rear (Back) track | 1500 mm (59.06 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 205/65 R15 |
Powertrain & Engine Architecture
The heart of the I30 3.0 was the Nissan VQ30DE engine, a 3.0-liter, 60-degree V6. This engine was a significant departure from Nissan’s previous V6 designs, featuring a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The VQ30DE utilized multi-port fuel injection and a relatively high 10:1 compression ratio. The engine code is a key identifier, and while variations existed, the core architecture remained consistent throughout the I30’s production. Paired with this engine was a four-speed automatic transmission, designed to provide smooth and comfortable shifts. This transmission was a conventional hydraulic automatic, prioritizing ease of use over outright performance. The automatic transmission was a key factor in the I30’s appeal to buyers who preferred convenience over the engagement of a manual gearbox.
Driving Characteristics
The I30 3.0 Automatic offered a comfortable and refined driving experience. While not a sports sedan, the 193 horsepower and 205 lb-ft of torque provided adequate acceleration for everyday driving and highway merging. The four-speed automatic transmission, while smooth, did result in slightly slower acceleration times compared to the five-speed manual version. The gear ratios were tuned for fuel efficiency and relaxed cruising, rather than aggressive performance. The front-wheel-drive layout contributed to predictable handling, but lacked the dynamic capabilities of rear-wheel-drive competitors. The suspension, tuned for comfort, absorbed bumps well, but could feel somewhat soft during spirited driving.
Equipment & Trim Levels
The I30 3.0 typically came standard with features such as air conditioning, power windows and locks, a CD player, and alloy wheels. Higher trim levels added features like leather upholstery, a sunroof, upgraded audio systems, and automatic climate control. The interior design was generally considered upscale for its price point, with a focus on ergonomics and ease of use. Optional extras included a navigation system (a relatively rare feature for the time) and traction control. The I30 aimed to provide a premium feel without the premium price tag of its European rivals.
Chassis & Braking
The I30 utilized a front-engine, front-wheel-drive layout with an independent coil spring suspension at all four corners. The front suspension featured MacPherson struts, while the rear employed a multi-link setup. Braking duties were handled by ventilated discs at the front and solid discs at the rear. Anti-lock brakes (ABS) were standard equipment, enhancing safety and control during emergency braking situations. The chassis was designed to provide a balance between ride comfort and handling stability. Stabilizer bars were included at both the front and rear to reduce body roll during cornering.
Market Reception & Comparison
The Infiniti I30 was generally well-received by automotive critics, who praised its comfortable ride, spacious interior, and strong value proposition. However, some reviewers noted that the automatic transmission could feel sluggish at times, and the handling wasn’t as sharp as some of its competitors. Compared to the base I30 with the 190-horsepower 3.0-liter engine, the 193-horsepower version offered a slight performance improvement. Compared to the Nissan Maxima, the I30 offered a more luxurious interior and unique styling. Fuel economy was respectable for its class, averaging around 21 mpg in the city and 28 mpg on the highway. Reliability was generally considered good, although some owners reported minor issues with the automatic transmission over time.
Legacy
The Infiniti I30, particularly the 3.0 variant, has maintained a relatively good reputation for reliability in the used car market. The VQ30DE engine is known for its durability and longevity, and with proper maintenance, can last for many years. While not a collector’s item, the I30 remains a popular choice for budget-minded buyers seeking a comfortable and reliable mid-size sedan. Parts availability is generally good, thanks to the engine’s widespread use in other Nissan and Infiniti vehicles. The I30 paved the way for future Infiniti models and helped establish the brand as a credible competitor in the luxury car segment.
