BMW 3 Series vs BMW i3 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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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 xDrive Hybrid Plug-in AWD
MSRP
$46,550
Invoice
$43,790
Average Price Paid
$44,316
72 listings nationwide

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2020 BMW i3
120 Ah RWD
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2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD
No Data Available
2020 BMW i3
120 Ah RWD
No Data Available

Expert Reviews Reviews from CarGurus experts.

2021 BMW 3 Series
300e xDrive Hybrid Plug-in 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 i3
120 Ah RWD
Kyree Williams Preview:

The BMW i3 comprises both electric and plug-in hybrid electric vehicle (EV and PHEV) variants. For 2020, it gets a new special edition. Both base and i3s grades return for 2020. Stand...

Specs

2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD
2020 BMW i3
120 Ah RWD
Powertrain 8-Speed Automatic 1-Speed Dual Clutch
Drivetrain
AWD
RWD
Fuel Economy, City
64 MPG
124 MPG
Fuel Economy, Highway
71 MPG
102 MPG
Fuel Tank Volume 10.6 gal --
Engine
Fuel Type
Gasoline
Electric
Cylinders
4 cylinders
--
Compression Ratio
10.2:1
--
Displacement
2,000 cc
--
Bore x Stroke
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 --
Air Conditioning Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard --
Passenger Power Seats Standard --
Interior
Maximum Seating 5 seats 4 seats
Front Legroom 42 in 40.5 in
Back Legroom 35.2 in 31.9 in
Payload and Towing
Cargo Volume 13.2 cu ft 15.1 cu ft
Maximum Payload 891 lbs 814 lbs
Exterior
Length 185.7 in 158.3 in
Width 81.4 in 80.3 in
Height 56.9 in 62.9 in
Wheelbase 112.2 in 101.2 in

Available Options

2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD
2020 BMW i3
120 Ah RWD

Exterior Colors

  • CAPPARIS White W/BMW I Frozen Blue Accent
  • Fluid Black W/BMW I Frozen Blue Accent
  • Imperial Blue Metallic W/Frozen Gray Accent
  • JUCARO Beige Metallic W/Frozen Gray Accent
  • Melbourne Red Metallic W/Frozen Gray Accent
  • Mineral Gray Metallic W/BMW I Frozen Blue Accent

Option Packages

  • Harman/Kardon Premium Sound System
  • GIGA World
  • Mega World
  • Technology + Driving Assistant Package
  • Tera World
  • Wireless Charging
  • Moonroof
  • Wheels: 20" X 5.0" Front & 20" X 5.5" Rear BMW I

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