BMW M3 vs BMW i3 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2021 BMW M3 Competition RWD

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2020 BMW i3 120 Ah RWD

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

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#2
Best 2020 Luxury Wagons
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Based on 5 rankings.

New Car Pricing New listing price comparison and analysis.

2021 BMW M3
Competition RWD
MSRP
$72,800
Invoice
$68,205
Average Price Paid
$72,800
80 listings nationwide

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2020 BMW i3
120 Ah RWD
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2021 BMW M3
Competition RWD
No Data Available
2020 BMW i3
120 Ah RWD
No Data Available

Expert Reviews Reviews from CarGurus experts.

2021 BMW M3
Competition RWD
Stephen Edelstein Preview:

For 2021, BMW introduces the sixth generation of the M3 performance sedan. The M3 has been the benchmark of its segment since it arrived in the United States 33 years ago, delivering e...

Read full review »
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...

Read full review »

Specs

2021 BMW M3
Competition RWD
2020 BMW i3
120 Ah RWD
Powertrain 8-Speed Automatic 1-Speed Dual Clutch
Drivetrain
RWD
RWD
Fuel Economy, City
16 MPG
124 MPG
Fuel Economy, Highway
23 MPG
102 MPG
Fuel Tank Volume 15.6 gal --
Engine
Fuel Type
Gasoline
Electric
Power
503 hp @ 6,250 RPM
--
Torque
479 lb-ft @ 2,750 RPM
--
Cylinders
6 cylinders
--
Compression Ratio
9.3:1
--
Displacement
3,000 cc
--
Bore x Stroke
3.31 in x 3.54 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
Leather Seats Standard --
Air Conditioning Standard Standard
CD Player 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 41.6 in 40.5 in
Back Legroom 35.6 in 31.9 in
Payload and Towing
Cargo Volume 13 cu ft 15.1 cu ft
Maximum Payload 860 lbs 814 lbs
Exterior
Length 189.1 in 158.3 in
Width 81.4 in 80.3 in
Height 56.4 in 62.9 in
Wheelbase 112.5 in 101.2 in

Available Options

2021 BMW M3
Competition RWD
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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