2025 Audi RS Q8 vs 2025 Lexus LX

$136,200 · Crossover

$106,000 · SUV

Comparison Overview

The 2025 Audi RS Q8 launches like a ballistic missile, boasting a ferocious 631 horsepower and 627 lb-ft of torque, making it the undisputed speed demon here. Conversely, the 2025 Lexus LX leans into robust, traditional SUV capability, featuring a reliable 409 hp and prioritizing brute stature over blistering pace. The performance gulf is massive, exemplified by the RS Q8's superior power output—a staggering 222 hp advantage over the LX. This power difference directly impacts efficiency, with the Audi struggling to achieve a combined 16 MPG, versus the LX's more palatable 19 MPG combined. While the Audi slices the road at 197.7 inches long, the LX offers a more imposing presence at 74.2 inches tall compared to the Audi's 67.5 inches. Ultimately, the $30,200 MSRP gap between the two suggests a clear trade-off between raw performance supremacy and attainable luxury utility.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Lexus LX

The Lexus LX's superior combined 19 MPG efficiency makes it the more sensible daily driver compared to the thirsty RS Q8's 16 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Lexus LX

The Lexus LX offers a significantly taller structure at 74.2 inches and more foundational SUV utility, despite having less raw cargo space (11 cu ft vs. 33 cu ft).

🏎️ Best for Enthusiasts

2025 Audi RS Q8

The Audi RS Q8 crushes the competition with 631 horsepower and 627 lb-ft of torque, delivering unmatched on-road performance.

💰 Best Value

2025 Lexus LX

The Lexus LX is significantly cheaper at $106,000 and offers respectable power without the massive premium demanded by the performance-focused Audi.

Choose the Audi RS Q8 if...

You demand uncompromising speed, as the 631 hp RS Q8 offers blistering acceleration capabilities.
You prefer sharper, more performance-oriented handling dynamics typical of Audi's RS division.
You value cutting-edge performance tech and are willing to pay the $136,200 starting MSRP for it.

Choose the Lexus LX if...

You need to save over $30,000, as the LX starts at a much lower $106,000 MSRP.
Fuel stops are a frequent annoyance, given the LX's better 19 MPG combined rating.
You require a more traditional, vertically imposing SUV stance with a greater height of 74.2 inches.

Key Dimensions

Dimension	Audi RS Q8	Lexus LX
Length	197.7"	200.5"
Width	79.0"	78.3"
Height	67.5"	74.2"
Wheelbase	117.9"	112.2"

Features Comparison

Safety

Feature	Audi	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
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	—
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Integrated Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Front Cross Traffic Alert	—	✓
Third Row Head Airbags	—	✓
Front Ventilated Disc Brakes	—	✓
Rear Ventilated Disc Brakes	—	✓
Cornering Lights	—	✓
Headlight Washers	—	✓
Front Fog Lights	—	✓
Front Height Adjustable Headrests	—	✓

Engine

Feature	Audi	Lexus
Base Engine Displacement	4.0 L	3.4 L
Number of Cylinders	V8	V6
Base Engine Type	mild hybrid	gas
Horsepower	631 hp	409 hp @ 5200 rpm
Torque	627 lb-ft	479 lb-ft @ 2000 rpm
Number of Valves	32	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Audi	Lexus
Transmission Type	8-speed shiftable automatic	10-speed shiftable automatic
Drivetrain Type	all wheel drive	four wheel drive
[object Object]	✓	—
[object Object]	✓	—
Hill Descent Control	✓	✓
4WD System Type	—	Full Time
Transfer Case Gearing	—	Electronic Hi-Lo
Locking Hubs	—	Automatic
Center Differential Type	—	Locking

Fuel

Feature	Audi	Lexus
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	14/20 MPG	17/22 MPG
EPA Fuel Economy (Combined)	16 MPG	19 MPG
EPA Driving Range (City/Highway)	315.0/450.0 mi.	358.7/464.2 mi.
Fuel Tank Capacity	22.5 gal.	21.1 gal.

Comfort & Convenience

Feature	Audi	Lexus
Push Button Start	✓	✓
Power Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Front View Camera	✓	✓
Side View Camera	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors with Side Sensing	✓	—
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	✓	✓
Heated Steering Wheel	✓	✓
Four Zone Climate Control	✓	✓
Rear Ventilation Ducts with Fan Control	✓	✓
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cruise Control on Steering Wheel	—	✓
Rear Parking Sensors	—	✓
3rd Row Cupholders	—	✓
Cooled Storage Compartment	—	✓

In Car Entertainment

Feature	Audi	Lexus
Infotainment Display	10.1 in	12.3 in
AM/FM Stereo	✓	✓
Premium Brand Speakers	Bang & Olufsen	—
Stereo Power	730W	—
Speaker System	17	10
Surround Audio	Discrete	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	3 months
Auxiliary Audio Input	—	✓

Power Feature

Feature	Audi	Lexus
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	1st Row Power Glass
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Reverse Tilt Passenger Mirror	—	✓

Frontseats

Feature	Audi	Lexus
Front Head Room	37.1 in.	37.8 in.
Front Leg Room	41.3 in.	41.1 in.
Front Shoulder Room	59.5 in.	61.4 in.
Seat Material: Premium Leather	✓	—
Front Seat Type: Sport	✓	—
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	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Passenger Seat Memory Settings	2	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Driver Seat Ventilation	✓	✓
Passenger Seat Ventilation	✓	✓
Front Hip Room	—	59.6 in.
Seat Material: Leather	—	✓
Front Seat Type: Bucket	—	✓
Driver Seat Thigh Extension	—	✓

Rearseats

Feature	Audi	Lexus
Rear Head Room	38.1 in.	38.9 in.
Rear Leg Room	40.2 in.	36.6 in.
Rear Shoulder Room	58.4 in.	58.8 in.
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	—
Folding Center Armrest	✓	✓
Rear Hip Room	—	58.8 in.
Heated Rear Seats (Multi-Level)	—	✓
Power Folding Third Row Seat	—	✓

Tires and Wheels

Feature	Audi	Lexus
Wheel Material	Alloy	Alloy
Wheel Diameter	22 in	20 in.
Tire Type	Performance	All Season
Tire Size	295/40R22	✓
Spare Tire Type	—	Full Size Non-Matching
Spare Tire Location	—	Underbody Mounted

Suspension

Feature	Audi	Lexus
Four-Wheel Independent Suspension	✓	—
Front Stabilizer Bar	✓	—
Rear Stabilizer Bar	✓	—
Front Suspension Type	—	Independent
Stabilizer Bar	—	✓

Warranty

Feature	Audi	Lexus
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	6 yr./ 70000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	6 yr./ unlimited mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	—	1 yr./ 10000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Audi RS Q8 and 2025 Lexus LX.

What is the main performance difference between the 2025 Audi RS Q8 and the 2025 Lexus LX?

The Audi RS Q8 is engineered for raw speed, producing 631 horsepower, whereas the Lexus LX focuses more on stable power with 409 horsepower. This 222 hp difference means the Audi will feel dramatically faster during straight-line acceleration.

Is the higher cost of the Audi RS Q8 justified by its space and utility?

No, the RS Q8 is more expensive at $136,200 compared to the LX's $106,000, yet it offers significantly less usable storage space at 33 cubic feet versus the LX's 11 cubic feet for its main cargo area.

How do these two premium SUVs compare in fuel economy?

The Lexus LX wins the efficiency battle easily, delivering a combined 19 MPG, which is three miles per gallon better than the performance-starved Audi RS Q8’s 16 MPG combined rating.

Which vehicle is physically larger?

While the Lexus LX is slightly longer at 200.5 inches, it is notably taller than the Audi RS Q8, standing at 74.2 inches high versus the Audi's 67.5 inches, suggesting a more commanding view of the road.

Do both vehicles require premium fuel?

Yes, both the 2025 Audi RS Q8 and the 2025 Lexus LX specify that they require premium unleaded fuel to achieve their rated power outputs.

How do the transmissions differ?

The Audi utilizes an 8-speed shiftable automatic transmission, while the Lexus LX employs a slightly more complex 10-speed shiftable automatic, likely aimed at optimizing the power delivery from its V8 engine.