BMW M3 vs BMW 4 Series Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2018 BMW M3 CS Sedan RWD
Photo of 2017 model year shown

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Used Car Pricing Used listing price comparison and analysis.

2018 BMW M3
CS Sedan RWD
CarGurus Instant Market Value
$59,423
72 listings nationwide

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2021 BMW 4 Series
430i Coupe RWD
CarGurus Instant Market Value
$52,999
8 listings nationwide

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Expert Reviews Reviews from CarGurus experts.

2018 BMW M3
CS Sedan RWD
Andrew Newton Preview:

In the world of German performance cars, the BMW M3 is one of the most prestigious names of all time. The latest version is very different from the original. The latest M3 is a luxuri...

2021 BMW 4 Series
430i Coupe RWD
Matt Smith Preview:

If you thought the era of ginormous grilles had already peaked, the 2021 BMW 4 Series is here to illustrate just how incorrect you were. Undoubtedly the most controversial detail in th...

User Reviews Reviews from CarGurus users who have driven or owned the car.

2018 BMW M3
CS Sedan RWD
Adam writes:
Serious Performance for a sedan Can drive a family of more than 3
Power Ranked 2018 Porsche 911 Carrera GTS Coupe RWD better.
"Little Lighter/25 more hp to crank "
Handling Ranked 2018 Porsche 911 Carrera GTS Coupe RWD better.
"Because it does...it’s a coupe not a sedan "
10
Jcogan writes:
The Shelby hands-down is a better drivers car. Hard to believe I’m saying this but after driving both I could...
Back Seats Ranked 2018 Ford Mustang Shelby GT350 Fastback RWD worse.
"Of course being a four-door sedan the M3’s rear seats are much more accessible and usable."
Family Car Ranked 2018 Ford Mustang Shelby GT350 Fastback RWD worse.
"Of course being a four-door sedan the M3’s rear seats are much more accessible and usable."
65
darkmann writes:
Great ride. Enough power to take one to fun places. Exceptional handling
Looks/Style Ranked 2018 BMW M3 CS Sedan RWD better.
"The added carbon fiber trim pieces make the car look slightly more special"
Front Seats Ranked 2018 BMW M3 CS Sedan RWD better.
"No difference from regular M3"
2021 BMW 4 Series
430i Coupe RWD
No User Reviews

Specs

2018 BMW M3
CS Sedan RWD
2021 BMW 4 Series
430i Coupe RWD
Powertrain 7-Speed Dual Clutch 8-Speed Automatic
Drivetrain
RWD
RWD
Fuel Economy, City
16 MPG
26 MPG
Fuel Economy, Highway
22 MPG
34 MPG
Fuel Tank Volume 15.8 gal 15.6 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
454 hp @ 6,250 RPM
255 hp @ 5,000 RPM
Torque
442 lb-ft @ 4,000 RPM
295 lb-ft @ 1,450 RPM
Cylinders
6 cylinders
4 cylinders
Compression Ratio
10.2:1
10.2:1
Displacement
3,000 cc
2,000 cc
Bore x Stroke
3.31 in x 3.53 in
3.23 in x 3.72 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Comfort and Convenience
Sunroof/Moonroof -- Standard
Leather Seats Standard --
Air Conditioning Standard Standard
CD Player Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 5 seats 4 seats
Front Legroom 42 in 41.8 in
Back Legroom 35.1 in 34.5 in
Payload and Towing
Cargo Volume 12 cu ft 12 cu ft
Maximum Payload -- 714 lbs
Exterior
Length 184.5 in 187.9 in
Width 80.2 in 81.9 in
Height 56.1 in 54.6 in
Wheelbase 110.7 in 112.2 in

Available Options

2018 BMW M3
CS Sedan RWD

Exterior Colors

  • Alpine White
  • Black Sapphire Metallic
  • Frozen Dark Blue II
  • Lime Rock Grey
  • San Marino Blue Metallic

Option Packages

  • Executive Package
  • M Carbon Ceramic Brake
2021 BMW 4 Series
430i Coupe RWD

Exterior Colors

  • Alpine White
  • Arctic Race Blue Metallic
  • Black Sapphire Metallic
  • Bluestone Metallic
  • Jet Black
  • Mineral White Metallic
  • PORTIMAO Blue Metallic
  • SANREMO Green Metallic
  • Sunset Orange Metallic

Option Packages

  • Heated Front Seats
  • Adaptive M Suspension
  • Convenience Package
  • Driving Assistance Professional Package
  • Dynamic Handling Package
  • Executive Package
  • Harman/Kardon Surround Sound System
  • Live Cockpit Pro W/NAVI
  • M Sport Brakes W/Blue Calipers
  • M Sport Brakes W/Red Calipers
  • M Sport Package
  • Parking Assistance Package
  • Premium Package
  • Wireless Charging
  • Head-Up Display
  • Black W/Blue Stitching, VERNASCA Leather Upholstery
  • Black W/Oyster Stitching, VERNASCA Leather Upholstery
  • Canberra Beige/Black, VERNASCA Leather Upholstery
  • Cognac W/Contrast Stitch, VERNASCA Leather Upholstery
  • Mocha W/Contrast Stitch, VERNASCA Leather Upholstery
  • Oyster W/Contrast Stitch, VERNASCA Leather Upholstery
  • TACORA Red, VERNASCA Leather Upholstery
  • Wheels: 19" X 8" Double-Spoke Bi-Color

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