2025 INFINITI QX55 vs 2026 Lexus TX
Comparison Overview
The most significant numerical divergence between the 2025 INFINITI QX55 and the 2026 Lexus TX is their overall length, with the TX measuring 203.1 inches compared to the QX55's 186.3 inches, resulting in a substantial difference in cabin and cargo volume. This size discrepancy is tied to the MSRP difference of $5,490, as the larger Lexus starts at $55,640 versus the QX55's $50,150. Performance specifications are closely matched; the TX offers superior torque at 317 lb-ft versus the QX55's 280 lb-ft, though the QX55 achieves a marginally better combined fuel economy rating of 25 MPG versus the TX's 23 MPG. Furthermore, the QX55 employs a standard All-Wheel Drive configuration while the base TX is Front Wheel Drive, a crucial difference in traction capability for similar price points. The QX55 also provides more inherent cargo space at 26.9 cu ft compared to the TX's 20.2 cu ft in base configuration.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 INFINITI QX55
The QX55 offers superior combined fuel economy at 25 MPG and is physically smaller, making it more agile for urban navigation.
2026 Lexus TX
Despite having less base cargo space (20.2 cu ft), the significantly longer body of the Lexus TX at 203.1 inches strongly suggests superior interior passenger volume for families.
2026 Lexus TX
The 2026 Lexus TX achieves substantially higher torque output at 317 lb-ft and uses a conventional 8-speed automatic transmission over the QX55's CVT.
2025 INFINITI QX55
The QX55 offers 268 hp and standard AWD for $5,490 less than the Lexus TX, making its lower starting MSRP of $50,150 more appealing.
Choose the INFINITI QX55 if...
- You prioritize efficiency, as the QX55 delivers a better combined MPG rating of 25.
- Your budget is strictly under $51,000, with the QX55 priced at $50,150.
- You require standard All-Wheel Drive performance, whereas the TX starts in FWD configuration.
Choose the Lexus TX if...
- You need maximum power delivery, evidenced by the TX's 317 lb-ft of torque.
- You prefer a traditional geared transmission, as the TX utilizes an 8-speed automatic.
- Exterior length is paramount, with the TX extending to 203.1 inches for potential cabin benefits.
Key Dimensions
| Dimension | INFINITI QX55 | Lexus TX |
|---|---|---|
| Length | 186.3" | 203.1" |
| Width | 74.9" | 78.3" |
| Height | 63.8" | 70.1" |
| Wheelbase | 110.2" | 116.1" |
Features Comparison
Safety
| Feature | INFINITI | Lexus |
|---|---|---|
| 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 | ✓ | ✓ |
| Third Row Head Airbags | — | ✓ |
Engine
| Feature | INFINITI | Lexus |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.4 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | gas |
| Horsepower | 268 hp @ 5600 rpm | 275 hp @ 6000 rpm |
| Torque | 280 lb-ft @ 4800 rpm | 317 lb-ft @ 1700 rpm |
| Number of Valves | 16 | 16 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | INFINITI | Lexus |
|---|---|---|
| Transmission Type | continuously variable-speed automatic | 8-speed automatic |
| Drivetrain Type | all wheel drive | front wheel drive |
| Center Differential Type | Limited Slip | — |
Fuel
| Feature | INFINITI | Lexus |
|---|---|---|
| Fuel Type | premium unleaded (recommended) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 22/28 MPG | 21/27 MPG |
| EPA Fuel Economy (Combined) | 25 MPG | 23 MPG |
| EPA Driving Range (City/Highway) | 352.0/448.0 mi. | 373.8/480.6 mi. |
| Fuel Tank Capacity | 16.0 gal. | 17.8 gal. |
Comfort & Convenience
| Feature | INFINITI | Lexus |
|---|---|---|
| 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 Parking Sensors | — | ✓ |
| 3rd Row Cupholders | — | ✓ |
| Overhead Console with Storage | — | ✓ |
| Manual Rear Seat Easy Entry | — | ✓ |
| Heated Steering Wheel | — | ✓ |
| Three Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts with Fan Control | — | ✓ |
| Interior Air Filtration | — | ✓ |
| Extended Cabin Heating/Cooling | — | ✓ |
In Car Entertainment
| Feature | INFINITI | Lexus |
|---|---|---|
| Infotainment Display | 8.0 in | 14.0 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 | 3 months |
| Android Auto (Wireless) | — | ✓ |
| Apple CarPlay (Wireless) | — | ✓ |
Power Feature
| Feature | INFINITI | Lexus |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Moonroof Type | 1st Row Power Glass | — |
| Keyless Entry | ✓ | ✓ |
| Reverse Tilt Dual Mirrors | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | INFINITI | Lexus |
|---|---|---|
| Front Head Room | 39.9 in. | 41.4 in. |
| Front Leg Room | 39.6 in. | 41.6 in. |
| Front Shoulder Room | 57.9 in. | 60.0 in. |
| Front Hip Room | 55.6 in. | 56.5 in. |
| Seat Material: Leather | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Driver Seat Memory Settings | 2 | — |
| Passenger Seat Power Adjustments | 8-way | 8-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 |
Rearseats
| Feature | INFINITI | Lexus |
|---|---|---|
| Rear Head Room | 36.9 in. | 40.1 in. |
| Rear Leg Room | 38.7 in. | 39.5 in. |
| Rear Shoulder Room | 57.1 in. | 59.0 in. |
| Rear Hip Room | 53.8 in. | 56.8 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Reclining Rear Seats | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
| Manual Folding Third Row Seat | — | ✓ |
Tires and Wheels
| Feature | INFINITI | Lexus |
|---|---|---|
| Wheel Finish | Painted Alloy | Painted Alloy |
| Wheel Diameter | 20 in. | — |
| Tire Size | 255/45R20 | 255/55R20 |
| Run Flat Tires | ✓ | — |
| Wheel Size | — | 20 x 8.0 in |
| Tire Type | — | All Season |
| Spare Tire Type | — | Temporary |
| Spare Tire Location | — | Inside Mounted |
Suspension
| Feature | INFINITI | Lexus |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | INFINITI | Lexus |
|---|---|---|
| Basic Warranty | 4 yr./ 60000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 6 yr./ 70000 mi. | 6 yr./ 70000 mi. |
| Corrosion/Rust Warranty | 7 yr./ unlimited mi. | 6 yr./ unlimited mi. |
| Roadside Assistance | 4 yr./ 60000 mi. | 4 yr./ unlimited mi. |
| Complimentary Scheduled Maintenance | 3 yr./ 22500 mi. | 1 yr./ 10000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 INFINITI QX55 and 2026 Lexus TX.
How significant is the powertrain difference between the 2025 QX55 and the 2026 TX?
The Lexus TX boasts a torque advantage, producing 317 lb-ft compared to the QX55's 280 lb-ft, suggesting stronger acceleration potential. However, the QX55 is more fuel-efficient, achieving 25 MPG combined versus the TX's 23 MPG.
Which vehicle is better suited for maximizing cargo hauling capacity?
Based on the provided specifications, the INFINITI QX55 offers superior listed cargo volume at 26.9 cu ft compared to the Lexus TX's 20.2 cu ft. This suggests the QX55 prioritizes rear storage despite being a shorter vehicle overall.
What is the primary dynamic difference concerning the drivetrain systems?
The QX55 comes standard with an All-Wheel Drive system, appealing to those needing consistent traction in varied conditions. Conversely, the base 2026 Lexus TX is equipped with Front Wheel Drive.
How does the $5,490 price difference impact the base offerings?
The QX55 starts at $50,150, including 268 hp and AWD, while the higher $55,640 price of the TX includes slightly more horsepower (275 hp) but utilizes FWD.
Which car has the larger physical footprint?
The 2026 Lexus TX is substantially larger than its competitor, measuring 203.1 inches in length and 70.1 inches in height, significantly eclipsing the QX55's 186.3-inch length and 63.8-inch height.
Are both vehicles compatible with standard fuel grades?
No, both vehicles list premium unleaded fuel requirements; the QX55 recommends it, while the Lexus TX explicitly requires it.
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