2025 INEOS Grenadier vs 2025 INFINITI QX55

$75,100 · SUV

$50,150 · Crossover

Comparison Overview

The $24,950 MSRP gap is the most significant differentiator between the 2025 INEOS Grenadier ($75,100) and the 2025 INFINITI QX55 ($50,150). This price disparity reflects fundamentally different vehicle missions. The Grenadier emphasizes rugged capability, boasting 282 hp and 332 lb-ft of torque, paired with a substantial 80.7-inch height and dedicated 4WD. Conversely, the QX55 prioritizes efficiency and on-road refinement, achieving a 25 MPG combined rating compared to the Grenadier's 15 MPG combined. The QX55 offers better utility for daily use with 22/28 MPG city/highway versus the Grenadier's fixed 15/15 MPG. Furthermore, the Grenadier provides greater maximum capacity at 40.6 cu ft versus the QX55's 26.9 cu ft cargo volume, reinforcing its utility focus against the QX55's crossover profile.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 INFINITI QX55

The QX55 wins for commuting due to its significantly superior 25 MPG combined fuel economy versus the Grenadier's 15 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 INEOS Grenadier

The Grenadier offers a taller, boxier profile with 40.6 cu ft of cargo capacity, providing more practical volume than the QX55's 26.9 cu ft.

🏎️ Best for Enthusiasts

2025 INEOS Grenadier

The Grenadier is built for off-road challenges, featuring 4WD and higher torque (332 lb-ft) suitable for rugged terrain compared to the QX55's AWD crossover design.

💰 Best Value

2025 INFINITI QX55

The QX55 presents substantially better value with an MSRP that is $24,950 lower than the Grenadier while still delivering 268 hp.

Choose the INEOS Grenadier if...

You require genuine four-wheel drive capability and a height of 80.7 inches for challenging terrain.
Maximum cargo utility is essential, as the Grenadier offers 40.6 cu ft versus the QX55's 26.9 cu ft.
You prioritize maximum torque output of 332 lb-ft for towing or difficult inclines.

Choose the INFINITI QX55 if...

Fuel economy is a primary concern, given the QX55 achieves 25 MPG combined versus 15 MPG.
A lower initial investment is necessary, as the QX55's MSRP is $50,150 compared to $75,100.
Your primary driving involves paved roads where the QX55's AWD system is adequate and highway MPG of 28 is beneficial.

Key Dimensions

Dimension	INEOS Grenadier	INFINITI QX55
Length	191.2"	186.3"
Width	76.0"	74.9"
Height	80.7"	63.8"
Wheelbase	115.0"	110.2"

Features Comparison

Safety

Feature	INEOS	INFINITI
Lane Departure Warning	✓	✓
Driver Attention Alert	✓	—
Pre-Collision Safety System	✓	✓
Dual Front 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 Solid Disc Brakes	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
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	✓	✓
Blind Spot Monitor	—	✓
Lane Keeping Assist System	—	✓
Rear Cross Traffic Alert	—	✓
Post-Collision Safety System	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Rear Ventilated Disc Brakes	—	✓
Headlight Delay-Off	—	✓
Front Fog Lights	—	✓
Integrated Turn Signal Mirrors	—	✓

Engine

Feature	INEOS	INFINITI
Base Engine Displacement	3.0 L	2.0 L
Number of Cylinders	inline 6	inline 4
Base Engine Type	gas	gas
Horsepower	282 hp @ 4750 rpm	268 hp @ 5600 rpm
Torque	332 lb-ft @ 1750 rpm	280 lb-ft @ 4800 rpm
Number of Valves	24	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	INEOS	INFINITI
Transmission Type	8-speed shiftable automatic	continuously variable-speed automatic
Drivetrain Type	four wheel drive	all wheel drive
4WD System Type	Full Time	—
Transfer Case Gearing	Manual Hi-Lo	—
Center Differential Type	Locking	Limited Slip
Hill Descent Control	✓	—

Fuel

Feature	INEOS	INFINITI
Fuel Type	premium unleaded (recommended)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	15/15 MPG	22/28 MPG
EPA Fuel Economy (Combined)	15 MPG	25 MPG
EPA Driving Range (City/Highway)	355.5/355.5 mi.	352.0/448.0 mi.
Fuel Tank Capacity	23.7 gal.	16.0 gal.

Comfort & Convenience

Feature	INEOS	INFINITI
Tilt and Telescopic Steering Wheel	✓	—
Audio Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	✓
Power Steering	✓	—
Rear View Camera	✓	✓
Front Parking Sensors	✓	—
Rear Parking Sensors	✓	✓
Cruise Control	✓	—
Front Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Leather Steering Wheel	✓	✓
Single Zone Climate Control	✓	—
Rear Ventilation Ducts	✓	✓
Push Button Start	—	✓
Power Tilt and Telescopic Steering Wheel	—	✓
Transmission Controls on Steering Wheel	—	✓
Electric Power Steering	—	✓
Wireless Charging Pad	—	✓
Adaptive Cruise Control	—	✓
Universal Remote Transmitter	—	✓
Rear Cupholders	—	✓
Front Seatback Storage	—	✓
Dual Zone Climate Control	—	✓
Dual Vanity Mirrors	—	✓
Auto-Dimming Rearview Mirror	—	✓
Turn Signal Indicators in Mirrors	—	✓

In Car Entertainment

Feature	INEOS	INFINITI
Infotainment Display	12.3 in	8.0 in
AM/FM Stereo	✓	✓
Speaker System	4	6
Apple CarPlay (Wireless)	✓	—
Android Auto (Wired)	✓	✓
USB Port	✓	✓
Satellite Radio	✓	✓
Apple CarPlay (Wired)	—	✓
USB Port with External Media Control	—	✓
Satellite Radio Trial Period	—	3 months

Power Feature

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

Frontseats

Feature	INEOS	INFINITI
Front Head Room	39.4 in.	39.9 in.
Front Leg Room	39.3 in.	39.6 in.
Seat Material: Vinyl/Cloth	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Manual Adjustments	6-way	—
Driver Seat Height Adjustment	✓	✓
Passenger Seat Manual Adjustments	6-way	—
Passenger Seat Height Adjustment	✓	✓
Front Shoulder Room	—	57.9 in.
Front Hip Room	—	55.6 in.
Seat Material: Leather	—	✓
Driver Seat Power Adjustments	—	8-way
Driver Seat Lumbar Support	—	Power
Driver Seat Memory Settings	—	2
Passenger Seat Power Adjustments	—	8-way
Driver Seat Heating	—	Multi-level
Passenger Seat Heating	—	Multi-level

Rearseats

Feature	INEOS	INFINITI
Rear Head Room	39.4 in.	36.9 in.
Rear Leg Room	30.4 in.	38.7 in.
Split-Folding Rear Seatback	✓	✓
Rear Shoulder Room	—	57.1 in.
Rear Hip Room	—	53.8 in.
Reclining Rear Seats	—	✓
Folding Center Armrest	—	✓

Tires and Wheels

Feature	INEOS	INFINITI
Wheel Finish	Painted Steel	Painted Alloy
Wheel Diameter	17 in	20 in.
Tire Type	All Terrain	—
Tire Size	P265/70R	255/45R20
Spare Tire Type	Full Size Matching	—
Spare Tire Location	Outside Rear Mounted	—
Run Flat Tires	—	✓

Suspension

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

Warranty

Feature	INEOS	INFINITI
Basic Warranty	5 yr./ 60000 mi.	4 yr./ 60000 mi.
Drivetrain Warranty	5 yr./ 60000 mi.	6 yr./ 70000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	7 yr./ unlimited mi.
Roadside Assistance	—	4 yr./ 60000 mi.
Complimentary Scheduled Maintenance	—	3 yr./ 22500 mi.

Frequently Asked Questions

Common questions about comparing the 2025 INEOS Grenadier and 2025 INFINITI QX55.

What is the primary difference in performance powertrain specifications?

The INEOS Grenadier (car1) produces 282 horsepower and 332 lb-ft of torque paired with a traditional 8-speed automatic, while the INFINITI QX55 (car2) offers 268 hp and 280 lb-ft of torque using a Continuously Variable Transmission (CVT).

How significant is the fuel economy discrepancy between the two vehicles?

The QX55 is vastly more efficient, delivering 25 MPG combined (22/28 city/highway), whereas the Grenadier is rated at only 15 MPG combined (15/15 city/highway).

Is the Grenadier significantly larger than the QX55?

Yes, the Grenadier is taller and longer, measuring 80.7 inches in height compared to the QX55's 63.8 inches, and it is longer at 191.2 inches versus 186.3 inches.

Which vehicle offers a better price point?

The 2025 INFINITI QX55 is the clear winner on price, with an MSRP of $50,150, significantly undercutting the 2025 INEOS Grenadier's $75,100 base price.

How does cargo space compare between the two?

The Grenadier offers a 40.6 cu ft cargo capacity, which is substantially more practical space than the 26.9 cu ft available in the QX55 crossover.

Are both vehicles equipped with four-wheel drive systems?

No, the INEOS Grenadier utilizes a dedicated Four Wheel Drive system optimized for off-roading, while the INFINITI QX55 employs an All Wheel Drive system better suited for varied on-road conditions.