BMW 3 Series vs BMW 4 Series Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

Select a car to compare

Cancel
Change

Select a car to compare

Cancel
Change

Select a car to compare

Cancel
+

User Ranking Drivers and owners ranked these cars in 9 categories.

New Car Pricing New listing price comparison and analysis.

2021 BMW 3 Series
300e Hybrid Plug-in xDrive AWD
2020 BMW 4 Series
430i Convertible RWD
MSRP
$53,100
Invoice
$49,885
Average Price Paid
$51,353
19 listings nationwide

Shop

Incentives Find if there are incentives in your area. Enter your zip code
2021 BMW 3 Series
300e Hybrid Plug-in xDrive AWD
No Data Available
2020 BMW 4 Series
430i Convertible RWD
No Data Available

Used Car Pricing Used listing price comparison and analysis.

2021 BMW 3 Series
300e Hybrid Plug-in xDrive AWD
CarGurus Instant Market Value
$52,239
2020 BMW 4 Series
430i Convertible RWD
CarGurus Instant Market Value
$46,989
52 listings nationwide

Shop

Expert Reviews Reviews from CarGurus experts.

2021 BMW 3 Series
300e Hybrid Plug-in xDrive AWD
Michael Perkins Preview:

Hot off the heels of its seventh-generation debut, BWM's iconic sports sedan returns with a new trick up its sleeve: plug-in power. After tooling around Europe the last few years, the ...

2020 BMW 4 Series
430i Convertible RWD
Kyree Williams Preview:

The 4 Series soldiers on into 2020 without any major changes. It offers some minor styling and options tweaks. The 4 Series designation encompasses three distinct body styles: convert...

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

2021 BMW 3 Series
300e Hybrid Plug-in xDrive AWD
No User Reviews
2020 BMW 4 Series
430i Convertible RWD
Guru1WG6C writes:
Looks/Style Ranked 2020 Chevrolet Corvette worse.
"Red"
Cargo Capacity Ranked 2020 Chevrolet Corvette worse.
"Blue"

Specs

2021 BMW 3 Series
300e Hybrid Plug-in xDrive AWD
2020 BMW 4 Series
430i Convertible RWD
Powertrain 8-Speed Automatic 8-Speed Automatic
Drivetrain
AWD
RWD
Fuel Economy, City
64 MPG
23 MPG
Fuel Economy, Highway
71 MPG
34 MPG
Fuel Tank Volume 10.6 gal 15.8 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
--
248 hp @ 5,200 RPM
Torque
--
258 lb-ft @ 1,450 RPM
Cylinders
4 cylinders
4 cylinders
Compression Ratio
10.2:1
10.2:1
Displacement
2,000 cc
2,000 cc
Bore x Stroke
3.23 in x 3.72 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 --
NHTSA Crash Test Results
Comfort and Convenience
Sunroof/Moonroof Standard --
Air Conditioning Standard Standard
CD Player -- 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 42.2 in
Back Legroom 35.2 in 33.1 in
Payload and Towing
Cargo Volume 13.2 cu ft 7.8 cu ft
Maximum Payload 891 lbs --
Exterior
Length 185.7 in 182.7 in
Width 81.4 in 79.4 in
Height 56.9 in 54.5 in
Wheelbase 112.2 in 110.6 in

Available Options

2021 BMW 3 Series
300e Hybrid Plug-in xDrive AWD
2020 BMW 4 Series
430i Convertible RWD

Exterior Colors

  • Alpine White
  • Black Sapphire Metallic
  • ESTORIL Blue Metallic
  • Glacier Silver Metallic
  • Jet Black
  • Mediterranean Blue Metallic
  • Mineral Grey Metallic
  • Mineral White Metallic
  • Snapper Rocks Blue Metallic
  • Sunset Orange Metallic

Option Packages

  • Harman/Kardon Surround Sound System
  • Heated Front Seats
  • Neck Warmer
  • Convenience Package
  • Wireless Charging
  • Adaptive M Suspension
  • Executive Package
  • Active Cruise Control
  • M Sport Package
  • Active Blind Spot Detection
  • Head-Up Display
  • Black W/Blue Stitching, Dakota Leather Upholstery
  • Black W/Red Hi/Stitch, Dakota Leather Upholstery
  • Black/Dark Oyster, Dakota Leather Upholstery
  • Cognac/Dark Brown, Dakota Leather Upholstery
  • Ivory White/Dark Oyster, Dakota Leather Upholstery
  • Mocha, Dakota Leather Upholstery
  • Night Blue/Dark Oyster, Dakota Leather Upholstery
  • Venetian Beige/DK Oyster, Dakota Leather Upholstery
  • Coral Red/Black, Dakota Leather Upholstery
  • Wheels: 19" X 8" FR & 19" X 8.5" RR (Style 407)
  • Wheels: 19" X 8" FR & 19" X 8.5" RR (Style 704M)
  • Wheels: 19" X 8" FR & 19" X 8.5" RR M Double-Spoke
  • Wheels: 19" X 8" Star-Spoke (Style 407)

Related Comparisons