VS
At a Glance
Power
409hp @ 5800
791hp @ 5500
Torque
405lb-ft @ 1300
1055lb-ft
Fuel
20 mpg est.
—
Engine
3.5 L/212ci
4.0 L/243ci
Choosing between the Genesis G90 and the Mercedes-Benz S-Class is one of the most common decisions car buyers in the United States face. The Genesis G90 delivers 409hp @ 5800 while the Mercedes-Benz S-Class produces 791hp @ 5500. Pricing starts at $103,000 for the G90 and $119,550 for the S-Class. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Specification
Genesis G903.5T e-SC AWD 2026 - From $103,000
Mercedes-Benz S-ClassAMG S 63 E 4MATIC Sedan 2026 - From $119,550
Performance
Power Output (hp)
409hp @ 5800
791hp @ 5500
Torque (lb-ft)
405lb-ft @ 1300
1055lb-ft
Engine & Drivetrain
Engine Capacity
3.5 L/212ci
4.0 L/243ci
Engine Layout
V
—
Cylinders
6
8
Fuel Type
—
Plug-In Hybrid
Forced Induction Device
—
Turbocharged
Transmission
Automatic w/OD
Automatic
Number of Gears
8
—
Drive Wheels
All Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
20 mpg est.
—
Fuel Economy - City (mpg)
17mpg
—
Fuel Economy - Highway (mpg)
24mpg
—
Fuel Tank Capacity (gal)
19.3gal
20.1gal
Dimensions
Length (in)
207.7in
210.1in
Width (in)
76in
75.6in
Height (in)
58.7in
59.6in
Wheelbase (in)
125.2in
126.6in
Curb Weight (lbs)
5126lbs
5831lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
✓ Standard
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Tie
1 / 4 categories
Performance
S-Class
Fuel Economy
Tied
Value
G90
Practicality
Tied
Pros & Cons
Genesis G90
Lower starting price ($103,000)
Few notable weaknesses
Mercedes-Benz S-Class
Well-rounded specification
Higher starting price
Frequently Asked Questions
Which has more power, the G90 or S-Class?
The G90 produces 409hp @ 5800 and 405lb-ft @ 1300 of torque while the S-Class delivers 791hp @ 5500 and 1055lb-ft of torque. The S-Class is the more powerful option.
What is the price difference between the G90 and S-Class?
The G90 starts from $103,000 and the S-Class from $119,550. The G90 is cheaper by $16,550 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the G90 or the S-Class?
It depends on your priorities. If fuel economy matters most, check the mpg figures above. If you need towing capacity, compare the towing ratings. For day-to-day driving - commutes, school runs and highway trips - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.
Also Consider