The 1998 Infiniti Q45 represents the peak of rear-wheel-drive luxury performance from Nissan, blending handcrafted detail with race-bred technology. Owners still praise its whisper-quiet cabin, razor-sharp steering, and commanding presence on both city streets and open highways.
Whether you are weighing a purchase, restoring a classic example, or simply admiring the design, this guide covers what makes the 1998 Q45 special, how it drives, and what you should know about ownership today.
| Model Year | Engine | Drivetrain | Key Tech | MSRP |
|---|---|---|---|---|
| 1998 | 4.5L VH45DE DOHC 24V | FR, RWD | ATTESA E-TS AWD, Bose Audio | $63,000 |
| 1996 | 4.5L VH45DE DOHC 24V | FR, RWD | ATTESA E-TS optional | $62,000 |
| 2000 | 4.5L VH45DE DOHC 24V | FR, RWD | ATTESA E-TS standard on some trims | $64,500 |
| Comparison Notes | - 4.1-second 0–60 mph (1998) | - Near 50/50 weight balance | - Whisper-quiet NVH levels | - Limited-slip differential |
1998 Infiniti Q45 Powertrain Dynamics
Refined VH45DE Performance
The heart of the 1998 Q45 is the VH45DE 4.5L V8, a twin-cam, 24-valve masterpiece producing around 275 hp and 300 lb-ft of torque. High-lift cam profiles and a tuned intake help the engine deliver smooth midrange pull while maintaining the quietness Infiniti is known for.
Drivetrain and Handling Philosophy
D标配 rear-wheel drive with an optional ATTESA E-TS intelligent all-wheel-drive system that sends torque to the front wheels when traction drops. The result is composed cornering, confident steering feedback, and chassis balance that feels closer to a sports sedan than a heavy cruiser.
1998 Infiniti Q45 Interior Craftsmanship
Materials and Attention to Detail
Inside, the Q45 showcases soft-touch surfaces, satin-finish accents, and precisely machined metal trim. The dash curves toward the driver, seats hug firmly without feeling cramped, and the overall build quality remains impressive even by today’s standards.
Technology and Comfort Features
From the Bose-acoustic stereo to multi-stage climate control and power memory seats, the 1998 Q45 aimed to please discerning buyers who wanted both performance and serenity. Noise insulation, bench leather bolsters, and thoughtfully placed controls make long drives remarkably easy.
1998 Infiniti Q45 Ownership Considerations
Maintenance and Reliability Insights
With regular oil changes, fluid services, and attention to timing chain tensioners, many 1998 Q45s log high mileages without major issues. Finding a well-kept example with service records is the best way to ensure years of reliable ownership.
Market Value and Collectibility Today
As the last of the first-generation Q45s built in the U.S., the 1998 model carries strong appeal among enthusiasts who appreciate analog dynamics and Japanese luxury. Values remain steady for clean, original examples, especially those with factory options like ATTESA E-TS and leather interiors.
Key Takeaways for 1998 Infiniti Q45 Enthusiasts
- Powertrain: Refined 4.5L V8 with optional ATTESA E-TS AWD for confident traction.
- Dynamics: Near-50/50 weight balance and precise steering deliver engaging control.
- Interior: Premium materials, quiet cabin, and thoughtful tech for its era.
- Ownership: Regular service and proactive inspections support long-term reliability.
- Value: Strong enthusiast interest keeps values stable for clean, documented examples.
FAQ
Reader questions
Is the 1998 Infiniti Q45 suitable for daily driving in all climates?
Yes, with routine maintenance the 1998 Q45 handles daily commuting and longer trips well in most climates, though rust prevention and winter driving practices should be considered in snowy regions.
What are common issues to watch for in a 1998 Q45?
Look out for timing chain tensioner wear, rear main seal leaks, suspension bushing aging, and infotainment glitches; addressing these early keeps ownership smooth.
How does the 1998 Q45 compare to newer luxury sedans?
While lacking modern infotainment and driver assists, the 1998 Q45 offers superior steering feel, a more harmonious ride, and a distinctive V8 soundtrack that many enthusiasts prefer over today’s digitally tuned rivals.
Are parts and service still readily available for the 1998 Q45?
Independent specialists and online vendors still supply parts for the 1998 Q45, and some dealers handle maintenance; planning for occasional specialty repairs is a realistic part of ownership.