2025 Chevrolet Suburban vs 2025 INFINITI QX55

$61,500 · SUV

$50,150 · Crossover

Comparison Overview

The 2025 Chevrolet Suburban roars onto the scene, an absolute titan demanding attention with its imposing 226.3 inches of length and 355 horsepower, promising brute force and cavernous space. Conversely, the 2025 INFINITI QX55 brings nimble, coupe-like elegance, perfectly suited for carving urban corners with its respectable 268 horsepower and superior 25 MPG combined efficiency. The Suburban carries an MSRP of $61,500, a significant premium over the QX55's $50,150 entry point. This size difference translates directly to utility: the Suburban boasts a massive 41.5 cu ft of cargo space, dwarfing the QX55's 26.9 cu ft. While the QX55 leverages premium unleaded for efficiency, the Suburban demands regular fuel but pays the price with only 17 MPG combined. For those needing serious towing muscle and passenger capacity, the Suburban delivers sheer size; for agile daily driving and economy, the QX55 offers refinement and efficiency.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 INFINITI QX55

The INFINITI QX55 wins for commuters due to its significantly better 25 MPG combined fuel economy compared to the Suburban's 17 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Chevrolet Suburban

The 2025 Chevrolet Suburban easily accommodates larger groups and gear with its superior size and 41.5 cu ft of cargo capacity.

🏎️ Best for Enthusiasts

2025 Chevrolet Suburban

Enthusiasts seeking maximum output will appreciate the Suburban's higher power figures of 355 hp and 383 lb-ft of torque.

💰 Best Value

2025 INFINITI QX55

The QX55 offers substantially better efficiency and a $11,350 lower MSRP, resulting in better overall value proposition.

Choose the Chevrolet Suburban if...

You absolutely require maximum interior volume, evidenced by its 41.5 cu ft of cargo space.
You prioritize raw power, benefiting from 355 hp and 383 lb-ft of torque.
You need a standard RWD platform or prefer a vehicle with a 226.3-inch length for presence.

Choose the INFINITI QX55 if...

Fuel economy is a primary concern, as the QX55 delivers 25 MPG combined versus the Suburban's 17 MPG.
You prefer the stability of All-Wheel Drive right out of the box for varied conditions.
You want to save $11,350 upfront, as the QX55 has a much lower $50,150 MSRP.

Key Dimensions

Dimension	Chevrolet Suburban	INFINITI QX55
Length	226.3"	186.3"
Width	81.1"	74.9"
Height	75.6"	63.8"
Wheelbase	134.1"	110.2"

Features Comparison

Safety

Feature	Chevrolet	INFINITI
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	✓	✓
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Third Row 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 Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	2	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Dual Rear Side-Mounted Airbags	—	✓
Front Fog Lights	—	✓
Integrated Turn Signal Mirrors	—	✓

Engine

Feature	Chevrolet	INFINITI
Base Engine Displacement	5.3 L	2.0 L
Number of Cylinders	V8	inline 4
Base Engine Type	gas	gas
Horsepower	355 hp @ 5600 rpm	268 hp @ 5600 rpm
Torque	383 lb-ft @ 4100 rpm	280 lb-ft @ 4800 rpm
Number of Valves	16	16
Camshaft Type	Overhead valves (OHV)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓
Cylinder Deactivation	✓	—

Drive Train

Feature	Chevrolet	INFINITI
Transmission Type	10-speed shiftable automatic	continuously variable-speed automatic
Drivetrain Type	rear wheel drive	all wheel drive
Rear Differential Type	Limited Slip	—
Center Differential Type	—	Limited Slip

Fuel

Feature	Chevrolet	INFINITI
Fuel Type	regular unleaded	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	15/20 MPG	22/28 MPG
EPA Fuel Economy (Combined)	17 MPG	25 MPG
EPA Driving Range (City/Highway)	420.0/560.0 mi.	352.0/448.0 mi.
Fuel Tank Capacity	28.0 gal.	16.0 gal.

Comfort & Convenience

Feature	Chevrolet	INFINITI
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	—
Audio Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Front View Camera	✓	—
Side View Camera	✓	—
Rear View Camera	✓	✓
Front Parking Sensors	✓	—
Rear Parking Sensors	✓	✓
Automatic Parking Assist	✓	—
Adaptive Cruise Control	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
3rd Row Cupholders	✓	—
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leatherette Steering Wheel	✓	—
Three Zone Climate Control	✓	—
Rear Ventilation Ducts with Fan Control	✓	—
Sun Sensor	✓	—
Dual Vanity Mirrors	✓	✓
Power Tilt and Telescopic Steering Wheel	—	✓
Transmission Controls on Steering Wheel	—	✓
Wireless Charging Pad	—	✓
Universal Remote Transmitter	—	✓
Leather Steering Wheel	—	✓
Dual Zone Climate Control	—	✓
Rear Ventilation Ducts	—	✓
Auto-Dimming Rearview Mirror	—	✓
Turn Signal Indicators in Mirrors	—	✓

In Car Entertainment

Feature	Chevrolet	INFINITI
Infotainment Display	17.7 in	8.0 in
AM/FM Stereo	✓	✓
Speaker System	6	6
Android Auto (Wireless)	✓	—
Apple CarPlay (Wireless)	✓	—
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Speed Sensitive Volume Control	✓	—
Android Auto (Wired)	—	✓
Apple CarPlay (Wired)	—	✓
Satellite Radio Trial Period	—	3 months

Power Feature

Feature	Chevrolet	INFINITI
One-Touch Power Windows	4	4
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Moonroof Type	—	1st Row Power Glass
Reverse Tilt Dual Mirrors	—	✓

Frontseats

Feature	Chevrolet	INFINITI
Front Head Room	42.3 in.	39.9 in.
Front Leg Room	44.5 in.	39.6 in.
Front Shoulder Room	65.6 in.	57.9 in.
Front Hip Room	61.5 in.	55.6 in.
Seat Material: Premium Cloth	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Passenger Seat Power Adjustments	6-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	—
Seat Material: Leather	—	✓
Driver Seat Memory Settings	—	2
Driver Seat Heating	—	Multi-level
Passenger Seat Heating	—	Multi-level

Rearseats

Feature	Chevrolet	INFINITI
Rear Head Room	38.9 in.	36.9 in.
Rear Leg Room	42.0 in.	38.7 in.
Rear Shoulder Room	64.6 in.	57.1 in.
Rear Hip Room	61.3 in.	53.8 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Manual Folding Third Row Seat	✓	—
Reclining Rear Seats	—	✓

Tires and Wheels

Feature	Chevrolet	INFINITI
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Size	18 x 8.5 in	—
Tire Type	All Season	—
Tire Size	265/65R18	255/45R20
Spare Tire Type	Full Size Non-Matching	—
Spare Tire Location	Underbody Mounted	—
Wheel Diameter	—	20 in.
Run Flat Tires	—	✓

Suspension

Feature	Chevrolet	INFINITI
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Chevrolet	INFINITI
Basic Warranty	3 yr./ 36000 mi.	4 yr./ 60000 mi.
Drivetrain Warranty	5 yr./ 60000 mi.	6 yr./ 70000 mi.
Corrosion/Rust Warranty	6 yr./ 100000 mi.	7 yr./ unlimited mi.
Roadside Assistance	5 yr./ 60000 mi.	4 yr./ 60000 mi.
Complimentary Scheduled Maintenance	1 yr./ unlimited mi.	3 yr./ 22500 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Chevrolet Suburban and 2025 INFINITI QX55.

What is the primary difference in physical size between the 2025 Suburban and the 2025 QX55?

The Chevrolet Suburban is significantly larger, measuring 226.3 inches in length and 75.6 inches in height. In contrast, the INFINITI QX55 is a more compact crossover at 186.3 inches long and 63.8 inches tall, making the Suburban a true behemoth by comparison.

How does the fuel efficiency gap affect running costs between these two vehicles?

The QX55 is dramatically more efficient, achieving 25 MPG combined while using premium fuel, whereas the Suburban trails at 17 MPG combined, necessitating more frequent and expensive fill-ups given its size and thirst.

Is the extra cost of the Suburban justified by its performance advantages?

The Suburban offers a substantial 87 hp advantage over the QX55, translating to 355 hp versus 268 hp. However, this higher performance comes with a $11,350 higher starting price and much lower efficiency.

Which vehicle offers better capability for carrying cargo?

The 2025 Suburban is the undisputed champion for cargo, offering 41.5 cubic feet behind the rear seats. The QX55 provides 26.9 cubic feet, which is adequate but cannot match the sheer volume of the full-size SUV.

Do the drivetrain setups significantly impact the driving feel?

Yes; the Suburban uses a traditional RWD configuration with a 10-speed automatic, whereas the QX55 utilizes an AWD system paired with a Continuously Variable Transmission for smooth power delivery.

Since one takes premium fuel and the other regular, which is generally cheaper to operate daily?

Despite the QX55 recommending premium fuel, its vastly superior fuel economy (25 MPG vs 17 MPG) usually means the QX55 will have lower overall operational costs than the larger, less efficient Suburban running on regular unleaded.