VS
At a Glance
Power
523hp @ 5500
409hp @ 5800
Torque
553lb-ft @ 1800
405lb-ft @ 1300
Fuel
20 mpg est.
20 mpg est.
Engine
4.4 L/268ci
3.5 L/212ci
Choosing between the BMW 8 Series and the Genesis G90 is one of the most common decisions car buyers in the United States face. The BMW 8 Series delivers 523hp @ 5500 while the Genesis G90 produces 409hp @ 5800. On fuel, the 8 Series returns 20 mpg est. while the G90 uses 20 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $94,500 for the 8 Series and $105,750 for the G90. 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 8 SeriesM850i xDrive Coupe 2026 - From $94,500
Genesis G903.5T e-SC Prestige Black AWD 2026 - From $105,750
Performance
Power Output (hp)
523hp @ 5500
409hp @ 5800
Torque (lb-ft)
553lb-ft @ 1800
405lb-ft @ 1300
Engine & Drivetrain
Engine Capacity
4.4 L/268ci
3.5 L/212ci
Engine Layout
—
V
Cylinders
8
6
Fuel Type
Gasoline
—
Forced Induction Device
Turbocharged
—
Transmission
Automatic
Automatic
Number of Gears
8
8
Drive Wheels
All Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
20 mpg est.
20 mpg est.
Fuel Economy - City (mpg)
17mpg
17mpg
Fuel Economy - Highway (mpg)
24mpg
24mpg
Fuel Tank Capacity (gal)
18gal
19.3gal
Dimensions
Length (in)
191.2in
207.7in
Width (in)
74.9in
76in
Height (in)
53in
58.7in
Wheelbase (in)
111.1in
125.2in
Curb Weight (lbs)
4478lbs
5150lbs
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
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
BMW 8 Series
2 / 4 categories
Performance
8 Series
Fuel Economy
Tied
Value
8 Series
Practicality
Tied
Pros & Cons
BMW 8 Series
Lower starting price ($94,500)
Few notable weaknesses
Genesis G90
Well-rounded specification
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the 8 Series or G90?
The 8 Series gets 20 mpg est. and the G90 gets 20 mpg est. on the combined cycle. The G90 is the more fuel-efficient choice. In real-world conditions with a mix of highway and urban driving, actual figures will be slightly higher.
Which has more power, the 8 Series or G90?
The 8 Series produces 523hp @ 5500 and 553lb-ft @ 1800 of torque while the G90 delivers 409hp @ 5800 and 405lb-ft @ 1300 of torque. The 8 Series is the more powerful option.
What is the price difference between the 8 Series and G90?
The 8 Series starts from $94,500 and the G90 from $105,750. The 8 Series is cheaper by $11,250 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the 8 Series or the G90?
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