2025 INFINITI QX55 vs 2026 Mercedes-Benz GLE Coupe
Comparison Overview
Choosing between a sleek crossover coupe involves balancing desire against dollars, a classic dilemma. If your budget is primary, the 2025 INFINITI QX55 starts at a compelling $50,150, significantly undercutting the $77,250 asking price of the 2026 Mercedes-Benz GLE Coupe. The QX55 offers better efficiency too, achieving 25 combined MPG versus the GLE Coupe's 21 combined MPG, saving on those trips requiring premium fuel. However, the Mercedes fights back with raw performance; it boasts 375 hp and 369 lb-ft of torque, towering over the QX55’s 268 hp and 280 lb-ft. While the GLE Coupe is larger (194.5 inches long vs. 186.3 inches) and offers more cargo space at 31.6 cu ft compared to the QX55's 26.9 cu ft, the significant $27,100 initial cost difference makes the INFINITI a far more pragmatic choice for most buyers seeking style without the steep entry fee.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 INFINITI QX55
The QX55 wins for commuters due to its superior fuel economy, delivering 25 combined MPG compared to the GLE Coupe's 21 MPG.
2026 Mercedes-Benz GLE Coupe
Families will benefit from the GLE Coupe's larger overall dimensions and greater cargo capacity of 31.6 cubic feet.
2026 Mercedes-Benz GLE Coupe
Enthusiasts will prefer the Mercedes for its substantial power advantage, generating 375 horsepower versus the INFINITI's 268 horsepower.
2025 INFINITI QX55
The QX55 is the clear value winner, priced $27,100 lower than its competitor while still providing standard AWD.
Choose the INFINITI QX55 if...
- Your budget is firmly under $55,000, as the QX55 starts over $27,000 less than the GLE Coupe.
- You drive frequently in stop-and-go traffic and want to maximize fuel stops by utilizing its 25 combined MPG rating.
- You prefer the responsiveness of a Continuously Variable Transmission (CVT) over a traditional geared automatic.
Choose the Mercedes-Benz GLE Coupe if...
- You need the absolute maximum space available, provided by the GLE Coupe’s 31.6 cu ft cargo capacity.
- You desire significantly higher power, as the GLE Coupe offers 107 more horsepower (375 hp).
- You prefer the required use of premium unleaded fuel combined with a modern 9-speed shiftable automatic transmission.
Key Dimensions
| Dimension | INFINITI QX55 | Mercedes-Benz GLE Coupe |
|---|---|---|
| Length | 186.3" | 194.5" |
| Width | 74.9" | 79.3" |
| Height | 63.8" | 68.1" |
| Wheelbase | 110.2" | 115.6" |
Features Comparison
Safety
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | — |
| Lane Keeping Assist System | ✓ | — |
| Rear Cross Traffic Alert | ✓ | — |
| Pre-Collision Safety System | ✓ | ✓ |
| Post-Collision Safety System | ✓ | ✓ |
| Dual Front Side-Mounted Airbags | ✓ | ✓ |
| Dual Rear Side-Mounted Airbags | ✓ | — |
| Front Head Airbags | ✓ | ✓ |
| Rear Head Airbags | ✓ | ✓ |
| Passenger Airbag Occupant Sensing Deactivation | ✓ | ✓ |
| Electronic Stability Control | ✓ | ✓ |
| Traction Control System | ✓ | ✓ |
| LATCH System | ✓ | ✓ |
| Rear Door Child Safety Locks | ✓ | ✓ |
| Anti-lock Brakes (ABS) | 4-Wheel | 4-Wheel |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Ventilated Disc Brakes | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| Headlight Delay-Off | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| Front Fog Lights | ✓ | — |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | — |
| Rear Headrests | 3 | 3 |
| Rear Height Adjustable Headrests | ✓ | ✓ |
| Rear Center 3-Point Seatbelt | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Driver Attention Alert | — | ✓ |
| Brake Drying | — | ✓ |
| Brake Preparation System | — | ✓ |
| Adaptive Headlights | — | ✓ |
| Front Power Adjustable Headrests | — | ✓ |
Engine
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Base Engine Displacement | 2.0 L | 3.0 L |
| Number of Cylinders | inline 4 | inline 6 |
| Base Engine Type | gas | mild hybrid |
| Horsepower | 268 hp @ 5600 rpm | 375 hp @ 5800 rpm |
| Torque | 280 lb-ft @ 4800 rpm | 369 lb-ft @ 1800 rpm |
| Number of Valves | 16 | 24 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Transmission Type | continuously variable-speed automatic | 9-speed shiftable automatic |
| Drivetrain Type | all wheel drive | all wheel drive |
| Center Differential Type | Limited Slip | Limited Slip |
| Hill Descent Control | — | ✓ |
Fuel
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Fuel Type | premium unleaded (recommended) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 22/28 MPG | 19/25 MPG |
| EPA Fuel Economy (Combined) | 25 MPG | 21 MPG |
| EPA Driving Range (City/Highway) | 352.0/448.0 mi. | 427.5/562.5 mi. |
| Fuel Tank Capacity | 16.0 gal. | 22.5 gal. |
Comfort & Convenience
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Power Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control on Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Rear Parking Sensors | ✓ | ✓ |
| Wireless Charging Pad | ✓ | ✓ |
| Adaptive Cruise Control | ✓ | — |
| Universal Remote Transmitter | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Dual Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Front View Camera | — | ✓ |
| Side View Camera | — | ✓ |
| Front Parking Sensors | — | ✓ |
| Automatic Parking Assist | — | ✓ |
| Cruise Control | — | ✓ |
| Overhead Console with Storage | — | ✓ |
| Interior Air Filtration | — | ✓ |
In Car Entertainment
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Infotainment Display | 8.0 in | 12.3 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 6 | — |
| Android Auto (Wired) | ✓ | — |
| Apple CarPlay (Wired) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 6 months |
| Subwoofer Count | — | 2 |
| Android Auto (Wireless) | — | ✓ |
| Apple CarPlay (Wireless) | — | ✓ |
Power Feature
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Moonroof Type | 1st Row Power Glass | 1st Row Power Glass Extended |
| Keyless Entry | ✓ | ✓ |
| Reverse Tilt Dual Mirrors | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Front Head Room | 39.9 in. | 40.5 in. |
| Front Leg Room | 39.6 in. | 40.3 in. |
| Front Shoulder Room | 57.9 in. | 59.3 in. |
| Front Hip Room | 55.6 in. | 60.8 in. |
| Seat Material: Leather | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | 10-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Driver Seat Memory Settings | 2 | 3 |
| Passenger Seat Power Adjustments | 8-way | 10-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Seat Material: Leatherette | — | ✓ |
| Passenger Seat Lumbar Support | — | Power |
| Passenger Seat Memory Settings | — | 3 |
Rearseats
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Rear Head Room | 36.9 in. | 36.9 in. |
| Rear Leg Room | 38.7 in. | 40.9 in. |
| Rear Shoulder Room | 57.1 in. | 58.3 in. |
| Rear Hip Room | 53.8 in. | 59.8 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Reclining Rear Seats | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
Tires and Wheels
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Wheel Finish | Painted Alloy | Painted Alloy |
| Wheel Diameter | 20 in. | — |
| Tire Size | 255/45R20 | 275/50R20 |
| Run Flat Tires | ✓ | — |
| Wheel Size | — | 20 x 9.0 in |
| Tire Type | — | All Season |
| Spare Tire Type | — | Temporary |
| Spare Tire Location | — | Inside Mounted |
Suspension
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | INFINITI | Mercedes-Benz |
|---|---|---|
| Basic Warranty | 4 yr./ 60000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 6 yr./ 70000 mi. | 4 yr./ 50000 mi. |
| Corrosion/Rust Warranty | 7 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Roadside Assistance | 4 yr./ 60000 mi. | 4 yr./ 50000 mi. |
| Complimentary Scheduled Maintenance | 3 yr./ 22500 mi. | — |
| Hybrid Component Warranty | — | 6 yr./ 62000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 INFINITI QX55 and 2026 Mercedes-Benz GLE Coupe.
How much more does it cost to run the GLE Coupe versus the QX55 annually?
Assuming both cars drive the same average distance, the QX55's 4 MPG advantage (25 MPG vs. 21 MPG) results in significant savings over a year, especially considering both require premium unleaded fuel. This difference in efficiency compounds quickly over time.
Is the size difference between the two SUVs noticeable inside?
Yes, the Mercedes is physically larger in every dimension, resulting in 31.6 cu ft of cargo room compared to the QX55's 26.9 cu ft. Additionally, the GLE Coupe is nearly 5 inches taller and 4 inches wider.
Does the QX55 sacrifice too much power by being more efficient?
While the QX55's 268 hp is substantially less than the GLE Coupe's 375 hp, 268 hp is still plenty capable for highway merging and daily driving needs, offering a good compromise for the average driver.
What is the difference in transmission technology?
The 2025 INFINITI QX55 uses a continuously variable-speed automatic (CVT), optimized for smoothness and fuel economy. In contrast, the 2026 Mercedes-Benz GLE Coupe uses a more traditional 9-speed shiftable automatic transmission for potentially more engaging shifts.
Since both have AWD, what performance advantage does the Mercedes offer?
The primary performance advantage comes from the massive increase in torque—369 lb-ft in the GLE Coupe versus 280 lb-ft in the QX55—which will translate to quicker acceleration off the line and better passing power.
Is the QX55's premium fuel recommendation mandatory like the GLE Coupe's requirement?
The INFINITI QX55 recommends premium unleaded, offering slight flexibility, whereas the 2026 Mercedes-Benz GLE Coupe explicitly requires premium unleaded for its higher-output engine.
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