VS
At a Glance
Power
449hp
791hp @ 5500
Torque
549lb-ft
1055lb-ft
Engine
—
4.0 L/243ci
Choosing between the BMW I7 and the Mercedes-Benz S-Class is one of the most common decisions car buyers in the United States face. The BMW I7 delivers 449hp while the Mercedes-Benz S-Class produces 791hp @ 5500. Pricing starts at $105,700 for the I7 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
BMW I7eDrive50 Sedan 2025 - From $105,700
Mercedes-Benz S-ClassAMG S 63 E 4MATIC Sedan 2026 - From $119,550
Performance
Power Output (hp)
449hp
791hp @ 5500
Torque (lb-ft)
549lb-ft
1055lb-ft
Engine & Drivetrain
Engine Capacity
—
4.0 L/243ci
Cylinders
—
8
Fuel Type
Electric
Plug-In Hybrid
Forced Induction Device
—
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
1
—
Drive Wheels
Rear Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Tank Capacity (gal)
—
20.1gal
Dimensions
Length (in)
212.2in
210.1in
Width (in)
76.8in
75.6in
Height (in)
60.8in
59.6in
Wheelbase (in)
126.6in
126.6in
Curb Weight (lbs)
5917lbs
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
I7
Practicality
Tied
Pros & Cons
BMW I7
Lower starting price ($105,700)
Few notable weaknesses
Mercedes-Benz S-Class
Well-rounded specification
Higher starting price
Frequently Asked Questions
Which has more power, the I7 or S-Class?
The I7 produces 449hp and 549lb-ft 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 I7 and S-Class?
The I7 starts from $105,700 and the S-Class from $119,550. The I7 is cheaper by $13,850 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the I7 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