VS
At a Glance
Power
473hp @ 6250
335hp
Torque
406lb-ft @ 2650
317lb-ft
Fuel
20 mpg est.
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Engine
3.0 L/183ci
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Choosing between the BMW 4 Series and the BMW I4 is one of the most common decisions car buyers in the United States face. The BMW 4 Series delivers 473hp @ 6250 while the BMW I4 produces 335hp. Pricing starts at $51,200 for the 4 Series and $57,900 for the I4. 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)
473hp @ 6250
335hp
Torque (lb-ft)
406lb-ft @ 2650
317lb-ft
Engine & Drivetrain
Engine Capacity
3.0 L/183ci
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Engine Layout
Inline
—
Cylinders
6
—
Fuel Type
Gasoline
Electric
Forced Induction Device
Turbocharged
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Transmission
Manual
Automatic
Number of Gears
6
1
Drive Wheels
Rear Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
20 mpg est.
—
Fuel Economy - City (mpg)
16mpg
—
Fuel Economy - Highway (mpg)
23mpg
—
Fuel Tank Capacity (gal)
15.6gal
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Dimensions
Length (in)
189.1in
188.5in
Width (in)
74.3in
72.9in
Height (in)
54.8in
57in
Wheelbase (in)
112.5in
112.4in
Curb Weight (lbs)
3830lbs
4680lbs
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
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 4 Series
2 / 4 categories
Performance
4 Series
Fuel Economy
Tied
Value
4 Series
Practicality
Tied
Pros & Cons
BMW 4 Series
Lower starting price ($51,200)
Few notable weaknesses
BMW I4
Well-rounded specification
Higher starting price
Frequently Asked Questions
Which has more power, the 4 Series or I4?
The 4 Series produces 473hp @ 6250 and 406lb-ft @ 2650 of torque while the I4 delivers 335hp and 317lb-ft of torque. The 4 Series is the more powerful option.
What is the price difference between the 4 Series and I4?
The 4 Series starts from $51,200 and the I4 from $57,900. The 4 Series is cheaper by $6,700 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the 4 Series or the I4?
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