At a Glance
Power
593hp
400hp @ 6400
Torque
586lb-ft
350lb-ft @ 1600
Engine
—
3.0 L/183cc
Choosing between the BMW I4 and the Nissan Z is one of the most common decisions car buyers in the United States face. The BMW I4 delivers 593hp while the Nissan Z produces 400hp @ 6400. Pricing starts at $70,700 for the I4 and $42,970 for the Z. 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)
593hp
400hp @ 6400
Torque (lb-ft)
586lb-ft
350lb-ft @ 1600
Engine & Drivetrain
Engine Capacity
—
3.0 L/183cc
Engine Layout
—
V
Cylinders
—
6
Fuel Type
Electric
Gasoline
Forced Induction Device
—
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
1
—
Drive Wheels
All Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy - City (mpg)
—
19 (2025)mpg
Fuel Economy - Highway (mpg)
—
28 (2025)mpg
Fuel Tank Capacity (gal)
—
16.4gal
Dimensions
Length (in)
188.5in
172.4in
Width (in)
72.9in
72.6in
Height (in)
57in
51.8in
Wheelbase (in)
112.4in
100.4in
Curb Weight (lbs)
5018lbs
3549lbs
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
—
Power Seat Adjustment
✓ Standard
—
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Tie
1 / 4 categories
Performance
I4
Fuel Economy
Tied
Value
Z
Practicality
Tied
Pros & Cons
BMW I4
Well-rounded specification
Higher starting price
Nissan Z
Lower starting price ($42,970)
Few notable weaknesses
Frequently Asked Questions
Which has more power, the I4 or Z?
The I4 produces 593hp and 586lb-ft of torque while the Z delivers 400hp @ 6400 and 350lb-ft @ 1600 of torque. They produce similar power outputs.
What is the price difference between the I4 and Z?
The I4 starts from $70,700 and the Z from $42,970. The Z is cheaper by $27,730 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the I4 or the Z?
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