2025 Aston Martin DBX707 vs 2026 Mercedes-Benz GLS

$257,000 · Crossover

$90,250 · Crossover

Comparison Overview

Finding the right luxury crossover often boils down to where you draw the line between raw performance and daily practicality. If you're torn between segment-defining speed and sensible, seven-passenger utility, this comparison between the 2025 Aston Martin DBX707 and the 2026 Mercedes-Benz GLS should help. The Aston Martin DBX707 dominates performance, boasting a massive 697 hp and 663 lb-ft of torque. However, this power comes at a steep cost, priced nearly $167,000 more than the GLS at $257,000 compared to the GLS's $90,250 MSRP. Fuel economy is also a major factor; the DBX707 manages only 17 combined MPG, while the GLS is notably thriftier at 21 combined MPG. While the DBX707 is the ultimate status statement with its 9-speed transmission, the slightly longer 205.0-inch GLS offers more vertical space and better overall space utilization for the average buyer.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz GLS

The Mercedes-Benz GLS is the clear winner for commuting due to its superior fuel economy of 21 combined MPG versus the DBX707's 15/20 city/highway ratings.

👨‍👩‍👧‍👦 Best for Families

2026 Mercedes-Benz GLS

The GLS is the better family hauler as it is longer (205.0 inches vs 198.4 inches) and taller (71.8 inches vs 66.1 inches), suggesting better interior space, despite having slightly less listed cargo volume at 17.4 cu ft.

🏎️ Best for Enthusiasts

2025 Aston Martin DBX707

The 2025 Aston Martin DBX707 is unmatched here, delivering an astounding 697 hp and 663 lb-ft of torque to satisfy true performance enthusiasts.

💰 Best Value

2026 Mercedes-Benz GLS

With an MSRP of $90,250, the Mercedes-Benz GLS offers vastly better value compared to the $257,000 price tag of the Aston Martin DBX707.

Choose the Aston Martin DBX707 if...

You prioritize extreme acceleration, evidenced by its 322 hp advantage over the GLS.
You desire the prestige and exclusivity associated with an Aston Martin badge.
You plan on driving minimally, accepting the 15 MPG city fuel rating.

Choose the Mercedes-Benz GLS if...

Your budget is under $100,000, as the GLS starts at $90,250.
You value saving money at the pump, given the GLS achieves 24 highway MPG.
You need the most usable interior dimensions, considering the GLS is taller by over 5 inches.

Key Dimensions

Dimension	Aston Martin DBX707	Mercedes-Benz GLS
Length	198.4"	205.0"
Width	78.7"	79.9"
Height	66.1"	71.8"
Wheelbase	120.5"	123.4"

Features Comparison

Safety

Feature	Aston Martin	Mercedes-Benz
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Rear Cross Traffic Alert	✓	✓
Pre-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	—
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Brake Drying	✓	✓
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
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	—	✓
Driver Attention Alert	—	✓
Post-Collision Safety System	—	✓
Third Row Head Airbags	—	✓
Passenger Airbag Occupant Sensing Deactivation	—	✓
Adaptive Headlights	—	✓
Cornering Lights	—	✓
Integrated Turn Signal Mirrors	—	✓
Front Power Adjustable Headrests	—	✓

Engine

Feature	Aston Martin	Mercedes-Benz
Base Engine Displacement	4.0 L	3.0 L
Number of Cylinders	V8	inline 6
Base Engine Type	gas	mild hybrid
Horsepower	697 hp @ 6000 rpm	375 hp @ 5800 rpm
Torque	663 lb-ft @ 2750 rpm	369 lb-ft @ 1800 rpm
Number of Valves	32	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Cylinder Deactivation	✓	—
Fuel Injection Type	—	✓

Drive Train

Feature	Aston Martin	Mercedes-Benz
Transmission Type	9-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
[object Object]	✓	—
[object Object]	✓	—
Hill Descent Control	✓	✓
Center Differential Type	—	Limited Slip

Fuel

Feature	Aston Martin	Mercedes-Benz
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	15/20 MPG	19/24 MPG
EPA Fuel Economy (Combined)	17 MPG	21 MPG
EPA Driving Range (City/Highway)	337.5/450.0 mi.	452.2/571.2 mi.
Fuel Tank Capacity	22.5 gal.	23.8 gal.

Comfort & Convenience

Feature	Aston Martin	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	✓	✓
Front View Camera	✓	✓
Side View Camera	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Wireless Charging Pad	✓	✓
Adaptive Cruise Control	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Leather Steering Wheel	✓	✓
Three Zone Climate Control	✓	—
Rear Ventilation Ducts with Fan Control	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Cargo Floor Mats	✓	—
Automatic Parking Assist	—	✓
Universal Remote Transmitter	—	✓
3rd Row Cupholders	—	✓
Overhead Console with Storage	—	✓
Front Seatback Storage	—	✓
Power Rear Seat Easy Entry	—	✓
Four Zone Climate Control	—	✓
Interior Air Filtration	—	✓
Turn Signal Indicators in Mirrors	—	✓

In Car Entertainment

Feature	Aston Martin	Mercedes-Benz
Infotainment Display	10.2 in	12.3 in
AM/FM Stereo	✓	✓
Stereo Power	800W	590W
Speaker System	14	13
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Memory Card Slot	✓	—
Premium Speaker Brand	—	Burmester
Subwoofer Count	—	2
Surround Audio	—	Discrete
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
Satellite Radio	—	✓
Satellite Radio Trial Period	—	6 months
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	Aston Martin	Mercedes-Benz
Front Head Room	40.9 in.	39.4 in.
Front Leg Room	41.7 in.	40.3 in.
Front Shoulder Room	58.4 in.	59.3 in.
Seat Material: Leather	✓	—
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	12-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Memory Settings	3	3
Passenger Seat Power Adjustments	12-way	10-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Memory Settings	3	3
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Hip Room	—	60.8 in.
Seat Material: Leatherette	—	✓
Front Seat Type: Bucket	—	✓
Driver Seat Lumbar Support	—	Power
Driver Seat Thigh Extension	—	✓
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓

Rearseats

Feature	Aston Martin	Mercedes-Benz
Rear Head Room	40.0 in.	40.2 in.
Rear Leg Room	40.9 in.	41.9 in.
Rear Shoulder Room	54.5 in.	58.5 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Heated Rear Seats (Multi-Level)	✓	—
Rear Hip Room	—	60.0 in.
Reclining Rear Seats	—	✓
Power Folding Third Row Seat	—	✓

Tires and Wheels

Feature	Aston Martin	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Size	22 x 11.5 in.	21 x 11.0 in.
Tire Type	Performance	All Season
Wheel Diameter	22 in	—
Spare Tire Type	Temporary	Temporary
Wheel Material	—	Alloy
Tire Size	—	315/40R21
Spare Tire Location	—	Inside Mounted

Suspension

Feature	Aston Martin	Mercedes-Benz
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Aston Martin	Mercedes-Benz
Basic Warranty	3 yr./ unlimited mi.	4 yr./ 50000 mi.
Drivetrain Warranty	3 yr./ unlimited mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	10 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	3 yr./ unlimited mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Aston Martin DBX707 and 2026 Mercedes-Benz GLS.

How much more power does the DBX707 have than the GLS?

The 2025 Aston Martin DBX707 is significantly more powerful, delivering 697 hp and 663 lb-ft of torque. This dwarfs the 2026 Mercedes-Benz GLS, which produces 375 hp and 369 lb-ft of torque, resulting in a 322 hp difference.

Which crossover has better fuel economy for the daily drive?

The 2026 Mercedes-Benz GLS is the better choice for fuel efficiency, posting 21 combined MPG (19 city/24 highway). The DBX707 returns only 17 combined MPG, making it considerably thirstier for daily use.

What is the price difference between these two crossovers?

The price gap is immense; the 2025 Aston Martin DBX707 has an MSRP of $257,000, which is $166,750 more than the 2026 Mercedes-Benz GLS starting at $90,250.

Do these SUVs offer similar cargo utility?

They offer different strengths: the DBX707 lists 22.3 cu ft of cargo space, while the larger GLS is slightly smaller inside at 17.4 cu ft. However, the GLS is significantly taller overall, measuring 71.8 inches high versus the DBX707's 66.1 inches.

Are both vehicles equipped with All-Wheel Drive?

Yes, both vehicles utilize an all-wheel drive system for enhanced traction and stability in various conditions. They both also share a 9-speed shiftable automatic transmission, though the power output they manage is vastly different.

Does the fuel requirement differ significantly?

Yes, while both recommend premium fuel, the Mercedes-Benz GLS actually *requires* premium unleaded fuel for its operation. The Aston Martin DBX707 only recommends premium.