VS
At a Glance
Power
255hp @ 4700
502hp @ 8400
Torque
295lb-ft @ 1600
331lb-ft @ 6100
Engine
2.0 L/122cc
4.0 L/244cc
Choosing between the BMW 4 Series and the Porsche 911 is one of the most common decisions car buyers in the United States face. The BMW 4 Series delivers 255hp @ 4700 while the Porsche 911 produces 502hp @ 8400. Pricing starts at $51,200 for the 4 Series and $235,800 for the 911. 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)
255hp @ 4700
502hp @ 8400
Torque (lb-ft)
295lb-ft @ 1600
331lb-ft @ 6100
Engine & Drivetrain
Engine Capacity
2.0 L/122cc
4.0 L/244cc
Engine Layout
—
Flat/Boxer
Cylinders
4
6
Fuel Type
—
Gasoline
Forced Induction Device
Turbocharged
—
Transmission
Automatic
Automatic
Number of Gears
8
6
Drive Wheels
Rear Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy - City (mpg)
28mpg
—
Fuel Economy - Highway (mpg)
36mpg
—
Fuel Tank Capacity (gal)
15.6gal
16.6gal
Dimensions
Length (in)
187.9in
179.9in
Width (in)
72.9in
72.9in
Height (in)
54.6in
50.4in
Wheelbase (in)
112.2in
96.7in
Curb Weight (lbs)
3578lbs
3278lbs
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
—
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
1 / 4 categories
Performance
Tied
Fuel Economy
Tied
Value
4 Series
Practicality
Tied
Pros & Cons
BMW 4 Series
Lower starting price ($51,200)
Few notable weaknesses
Porsche 911
Well-rounded specification
Higher starting price
Frequently Asked Questions
Which has more power, the 4 Series or 911?
The 4 Series produces 255hp @ 4700 and 295lb-ft @ 1600 of torque while the 911 delivers 502hp @ 8400 and 331lb-ft @ 6100 of torque. They produce similar power outputs.
What is the price difference between the 4 Series and 911?
The 4 Series starts from $51,200 and the 911 from $235,800. The 4 Series is cheaper by $184,600 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the 4 Series or the 911?
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