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BMW 8 Series vs BMW M3

840i Convertible - Competition xDrive Sedan

BMW 8 Series
BMW 8 Series
840i Convertible
From $94,500
View Full Specs →
VS
BMW M3
BMW M3
Competition xDrive Sedan
From $87,700
★ Our Pick
View Full Specs →
At a Glance
Power
335hp @ 5000
523hp @ 6250
Torque
368lb-ft @ 1600
479lb-ft @ 2750
Engine
3.0 L/183cc
3.0 L/183cc

Choosing between the BMW 8 Series and the BMW M3 is one of the most common decisions car buyers in the United States face. The BMW 8 Series delivers 335hp @ 5000 while the BMW M3 produces 523hp @ 6250. Pricing starts at $94,500 for the 8 Series and $87,700 for the M3. 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 SeriesFrom $94,500
BMW M3From $87,700
Performance
Power Output (hp)
335hp @ 5000
523hp @ 6250
Torque (lb-ft)
368lb-ft @ 1600
479lb-ft @ 2750
Engine & Drivetrain
Engine Capacity
3.0 L/183cc
3.0 L/183cc
Engine Layout
Inline
Inline
Cylinders
6
6
Fuel Type
Gasoline
Gasoline
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic
Automatic
Number of Gears
8
8
Drive Wheels
Rear Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy - City (mpg)
21mpg
16 (2025)mpg
Fuel Economy - Highway (mpg)
29mpg
23 (2025)mpg
Fuel Tank Capacity (gal)
18gal
15.6gal
Dimensions
Length (in)
191.1in
189.1in
Width (in)
74.9in
74.3in
Height (in)
52.7in
56.6in
Wheelbase (in)
111.1in
112.5in
Curb Weight (lbs)
4211lbs
3990lbs
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
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

Which Wins?

Overall Winner
BMW M3
1 / 4 categories
Performance
Tied
Fuel Economy
Tied
Value
M3
Practicality
Tied
BMW 8 Series
+Well-rounded specification
-Higher starting price
BMW M3
+Lower starting price ($87,700)
-Few notable weaknesses
Frequently Asked Questions
Which has more power, the 8 Series or M3?
The 8 Series produces 335hp @ 5000 and 368lb-ft @ 1600 of torque while the M3 delivers 523hp @ 6250 and 479lb-ft @ 2750 of torque. They produce similar power outputs.
What is the price difference between the 8 Series and M3?
The 8 Series starts from $94,500 and the M3 from $87,700. The M3 is cheaper by $6,800 at this variant level. Final on-the-road pricing varies by dealer and specification.
Should I buy the 8 Series or the M3?
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.

BMW 8 Series Variants

All 8 Series Specs →

BMW M3 Variants

All M3 Specs →

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