INFINITI previously offered the QX60 Hybrid and will introduce a new mild-hybrid QX60 for the 2025 model year, marking a return to hybrid SUV offerings.
Many drivers ask about hybrid options when they consider a luxury SUV. It makes sense; everyone wants a blend of performance, comfort, and better fuel economy. INFINITI has certainly explored this territory, and their approach continues to evolve.
Let’s talk about where INFINITI has been with hybrids and where they’re heading. We’ll look at the details of their past models and what’s coming down the pipeline for US drivers.
INFINITI’s Electrification Path: A Look Back and Forward
Car manufacturers adapt quickly to new technologies and driver demands. INFINITI, as a luxury brand, balances refinement with efficiency. Their journey into electrified powertrains has seen different strategies over time.
Initially, INFINITI dipped its toes into full hybrid systems. This was a direct response to a growing market interest in fuel-saving technologies. These early models offered a unique blend of V6 power and electric assistance.
The industry has shifted, and INFINITI’s focus has broadened. They are now working on a range of solutions, including advanced gasoline engines and upcoming mild-hybrid options. This shows a commitment to efficiency across their lineup.
The QX60 Hybrid: INFINITI’s Past Full-Hybrid SUV
For a few model years, INFINITI offered a full hybrid version of its popular QX60 SUV. This model provided a distinct alternative to the standard V6 powertrain. It was designed to offer improved fuel efficiency without sacrificing luxury or space.
The QX60 Hybrid utilized a supercharged 2.5-liter four-cylinder engine. This engine worked in conjunction with an electric motor. The system delivered a combined output that felt responsive on the road.
Power was routed through a continuously variable transmission (CVT). This setup aimed for smooth power delivery and optimal fuel consumption. It was a well-engineered package for its time.
Here are some key specifications for the INFINITI QX60 Hybrid:
| Feature | Detail |
|---|---|
| Model Years (US) | 2014-2017 |
| Engine Type | 2.5L Supercharged I4 |
| Electric Motor Output | 15 kW (20 hp) |
| Combined System HP | 250 hp |
| EPA Combined MPG (FWD) | 26 MPG |
Drivers appreciated its quiet operation and the reduced stops at the gas pump. It offered a compelling blend of luxury and efficiency for families. This model proved that INFINITI could deliver a capable hybrid SUV.
Does INFINITI Make A Hybrid SUV? Current Powertrains and the 2025 QX60 Mild-Hybrid
As of late 2024, if you walk into an INFINITI dealership looking for a brand-new, full-hybrid SUV, you won’t find one for the current model year. The QX60 Hybrid was discontinued after the 2017 model year in the US market. The current lineup of INFINITI SUVs uses conventional gasoline powertrains.
However, this situation is changing very soon. INFINITI has announced a significant update for the 2025 model year QX60. The 2025 QX60 will feature a 3.5-liter V6 engine paired with a mild-hybrid system.
This means that, yes, INFINITI will once again make a hybrid SUV. It’s important to understand the distinction between a full hybrid and a mild hybrid system. We’ll dive into that next.
For now, here’s a quick look at the current INFINITI SUV powertrains before the 2025 QX60’s arrival:
| Model | Engine Type | Horsepower |
|---|---|---|
| QX50 | 2.0L VC-Turbo I4 | 268 hp |
| QX55 | 2.0L VC-Turbo I4 | 268 hp |
| QX60 (current) | 3.5L V6 | 295 hp |
| QX80 | 5.6L V8 | 400 hp |
Each of these engines is a capable, well-tuned gasoline unit. They deliver the smooth power and refinement expected from a luxury brand. The upcoming mild-hybrid QX60 will add another layer of efficiency.
Understanding Mild-Hybrid Technology and Its Benefits
The term “hybrid” covers a range of technologies. A mild-hybrid system, like the one coming to the 2025 INFINITI QX60, differs from a full-hybrid system. It’s a stepping stone towards greater electrification.
A mild-hybrid system primarily uses a larger starter-generator unit. This unit replaces the traditional alternator. It’s connected to a small battery, typically 48-volt, which stores energy.
This system cannot power the vehicle solely on electricity for any significant distance. Its main roles are to assist the gasoline engine and improve efficiency. It captures energy during deceleration and braking.
Key benefits of a mild-hybrid system include:
- Smoother Stop/Start: The system restarts the engine more quickly and quietly after an automatic stop. This reduces vibration and noise.
- Torque Assist: It can provide a small boost of torque to the engine during acceleration. This helps reduce the load on the gasoline engine, improving responsiveness.
- Improved Fuel Economy: By assisting the engine and enabling more efficient accessory operation, it can yield a modest improvement in MPG. This is especially true in city driving.
- Reduced Emissions: Better efficiency generally means lower tailpipe emissions. This helps meet modern environmental standards.
Think of a mild-hybrid as a helpful assistant to the gasoline engine. It doesn’t take over, but it makes the engine’s job easier and more efficient. This technology aligns well with luxury vehicles, enhancing smoothness and refinement.
INFINITI’s VC-Turbo Engine: An Efficiency Story
Even without a full-hybrid system, INFINITI has focused on gasoline engine efficiency. Their Variable Compression Turbo (VC-Turbo) engine is a prime example. This engine powers the QX50 and QX55 models.
The VC-Turbo engine is a marvel of engineering. It can physically change its compression ratio on the fly. This adjustment happens seamlessly, without driver input.
High compression ratios are great for fuel efficiency. Low compression ratios are better for power output and turbocharging. The VC-Turbo engine can switch between these as needed. It’s like having two engines in one.
For example, when you’re cruising on the highway, the engine can adopt a higher compression ratio. This maximizes fuel economy. When you press the accelerator for more power, it can instantly lower the compression ratio. This allows the turbocharger to deliver full performance.
This technology provides a compelling balance. You get the power of a larger engine with the fuel efficiency of a smaller one. It’s a sophisticated way to deliver both performance and economy from a conventional gasoline powertrain. The VC-Turbo is a testament to INFINITI’s dedication to advanced engine design.
Considering a Used INFINITI QX60 Hybrid: What to Inspect
If you’re interested in INFINITI’s past hybrid offerings, a used QX60 Hybrid can be a smart choice. These models still offer a comfortable, luxurious ride with good fuel economy for their class. However, like any used vehicle, they require careful inspection.
Here are some key areas to focus on when evaluating a used QX60 Hybrid:
- Hybrid Battery Health: The high-voltage battery is central to any hybrid. While designed for longevity, its condition matters. Look for any warning lights on the dash. A qualified mechanic can perform a battery health check.
- CVT Operation: The QX60 Hybrid uses a Continuously Variable Transmission. Pay attention during your test drive for smooth, linear acceleration. Listen for unusual noises or shuddering. Ensure regular transmission fluid changes are documented.
- Brake System: Hybrid vehicles use regenerative braking to recharge the battery. This can extend the life of conventional brake pads. Check for even pad wear and smooth stopping.
- Service Records: A complete service history is invaluable. It shows consistent maintenance, especially for hybrid-specific components. Look for records of oil changes, fluid flushes, and any hybrid system diagnostics.
- Overall Electrical System: With more electrical components, ensure all accessories work correctly. Test the infotainment system, power windows, and climate control. Any flickering lights or unusual electrical behavior warrant investigation.
A pre-purchase inspection by a trusted mechanic familiar with hybrid systems is always a good idea. They can spot potential issues that might not be obvious. This helps you make an informed decision and ensures you get a reliable vehicle.
Does INFINITI Make A Hybrid SUV? — FAQs
What was the INFINITI QX60 Hybrid?
The INFINITI QX60 Hybrid was a full-hybrid SUV offered from 2014 to 2017 in the US market. It combined a supercharged 2.5-liter four-cylinder engine with an electric motor and a CVT. This system delivered 250 combined horsepower and achieved an EPA-estimated 26 MPG combined.
Why did INFINITI stop making full-hybrid SUVs?
INFINITI discontinued the QX60 Hybrid after the 2017 model year as part of a broader shift in their powertrain strategy. The brand moved towards advanced gasoline engines like the VC-Turbo and is now reintroducing hybrid technology with mild-hybrid systems, aligning with evolving market demands and efficiency goals.
Are there any future INFINITI hybrid SUVs planned?
Yes, INFINITI has announced that the 2025 model year QX60 will feature a 3.5-liter V6 engine paired with a mild-hybrid system. This marks INFINITI’s return to offering hybrid SUV technology. This mild-hybrid system will enhance efficiency and smoothness.
What is INFINITI’s VC-Turbo engine, and how does it relate to efficiency?
The VC-Turbo (Variable Compression Turbo) engine, found in the QX50 and QX55, can physically change its compression ratio. This allows it to optimize between power and fuel efficiency on the fly. It provides the performance of a larger engine with the economy of a smaller one, without being a hybrid system.
What should I check when buying a used INFINITI QX60 Hybrid?
When buying a used QX60 Hybrid, focus on the hybrid battery health and the smooth operation of the CVT. Review all service records for consistent maintenance, especially for hybrid-specific components. A pre-purchase inspection by a mechanic experienced with hybrids is always a smart step.
Certification: BSc in Mechanical Engineering
Education: Mechanical engineer
Lives In: 539 W Commerce St, Dallas, TX 75208, USA
Md Amir is an auto mechanic student and writer with over half a decade of experience in the automotive field. He has worked with top automotive brands such as Lexus, Quantum, and also owns two automotive blogs autocarneed.com and taxiwiz.com.