VS
At a Glance
Power
449hp
496hp @ 5500
Torque
549lb-ft
516lb-ft @ 2000
Engine
—
4.0 L/243cc
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 496hp @ 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.
Performance
Power Output (hp)
449hp
496hp @ 5500
Torque (lb-ft)
549lb-ft
516lb-ft @ 2000
Engine & Drivetrain
Engine Capacity
—
4.0 L/243cc
Cylinders
—
8
Fuel Type
Electric
—
Forced Induction Device
—
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
1
—
Drive Wheels
Rear Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy - City (mpg)
—
16mpg
Fuel Economy - Highway (mpg)
—
27mpg
Fuel Tank Capacity (gal)
—
20gal
Dimensions
Length (in)
212.2in
215.3in
Width (in)
76.8in
75.6in
Height (in)
60.8in
59.4in
Wheelbase (in)
126.6in
133.7in
Curb Weight (lbs)
5917lbs
5137lbs
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
BMW I7
2 / 4 categories
Performance
I7
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 496hp @ 5500 and 516lb-ft @ 2000 of torque. They produce similar power outputs.
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