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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2018 BMW 3 Series 320i Sedan RWD
Photo of 2017 model year shown

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

New Car Pricing New listing price comparison and analysis.

2018 BMW 3 Series
320i Sedan RWD
MSRP
$34,900
Invoice
$32,955
Average Price Paid
$33,370
918 listings nationwide

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2018 BMW i3
94 Ah RWD
MSRP
$44,450
Invoice
$41,840
Average Price Paid
$34,645
36 listings nationwide

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Pricing Analysis Price analysis based on recent sales data applied to current trim without options.

2018 BMW 3 Series
320i Sedan RWD
Fair Price
$34,462
Good Price
$32,457
Great Price
$31,311
2018 BMW i3
94 Ah RWD
Fair Price
$38,879
Good Price
$33,980
Great Price
$31,179

Used Car Pricing Used listing price comparison and analysis.

2018 BMW 3 Series
320i Sedan RWD
CarGurus Instant Market Value
$38,167
424 listings nationwide
23 GREAT deals
63 GOOD deals

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2018 BMW i3
94 Ah RWD
CarGurus Instant Market Value
$49,474
2 listings nationwide

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Expert Reviews Reviews from CarGurus experts.

2018 BMW 3 Series
320i Sedan RWD
Megan Hennessey Preview:

Few vehicles define the marriage of performance and luxury like the BMW 3 Series. For decades, it has been an attractive, precise, and upscale small car. The 2018 BMW 3 Series is avail...

2018 BMW i3
94 Ah RWD
Kyree Williams Preview:

BMW launched its diminutive i3 in 2014, as the entry point for its “i” series of premium electric vehicles. The five-door hatchback has seen improvements over the years. For 2018, the ...

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

2018 BMW 3 Series
320i Sedan RWD
30
writes:
Car is overhyped and not fun to drive and it looks bad.
Family Car Ranked 2018 Audi A4 better.
"Safety"
Value Ranked 2018 Audi A4 better.
"Power, looks, technology"
30
writes:
Bmw 330i Nice car but the kia stinger GT Hands down was a better performer
2018 BMW i3
94 Ah RWD
No User Reviews

Specs

2018 BMW 3 Series
320i Sedan RWD
2018 BMW i3
94 Ah RWD
Powertrain 1-Speed Automatic
Drivetrain
RWD
RWD
RWD
Fuel Economy, City
23 MPG
24 MPG
127 MPG
Fuel Economy, Highway
35 MPG
35 MPG
106 MPG
Fuel Tank Volume 15.8 gal --
Engine
Fuel Type
Gasoline
Gasoline
Electric
Power
180 hp @ 5,000 RPM
180 hp @ 5,000 RPM
--
Torque
200 lb-ft @ 1,250 RPM
200 lb-ft @ 1,250 RPM
--
Cylinders
4 cylinders
4 cylinders
--
Compression Ratio
11:1
11:1
--
Displacement
2,000 cc
2,000 cc
--
Bore x Stroke
3.31 in x 3.55 in
3.31 in x 3.55 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
Overall 4 stars --
Front Crash Overall 4 stars --
Front Crash Driver 4 stars --
Front Crash Passenger 5 stars --
Side Crash Overall 5 stars --
Side Barrier Driver 5 stars --
Side Barrier Passenger 5 stars --
Side Pole Driver 5 stars --
Comfort and Convenience
Air Conditioning Standard Standard
CD Player Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Interior
Maximum Seating 5 seats 4 seats
Front Legroom 42 in 40.5 in
Back Legroom 35.1 in 31.9 in
Payload and Towing
Cargo Volume 13 cu ft 15.1 cu ft
Exterior
Length 182.8 in 158.3 in
Width 80 in 80.3 in
Height 56.3 in 62.9 in
Wheelbase 110.6 in 101.2 in

Available Options

2018 BMW 3 Series
320i Sedan RWD

Exterior Colors

  • Alpine White
  • Black Sapphire Metallic
  • Glacier Silver Metallic
  • Jatoba Brown Metallic
  • Jet Black
  • Mediterranean Blue Metallic
  • Melbourne Red Metallic
  • Mineral Gray Metallic
  • Mineral White Metallic
  • Platinum Silver Metallic
  • Sunset Orange Metallic

Option Packages

  • Navigation System
  • Wireless Charging
  • Burl Walnut Wood Trim with Pearl Gloss Chrome
  • Fineline Anthracite Wood Trim with Pearl Gloss Chrome
  • Brushed Aluminum Trim with High-Gloss Black Accent
  • Convenience Package
  • Premium Package
  • Sport Package
  • Track Handling Package
  • Active Blind-Spot Detection
  • Driving Assistance Package
  • Park Distance Control
  • Black, Dakota Leather Upholstery
  • Oyster, Dakota Leather Upholstery
  • Venetian Beige/Black, Dakota Leather Upholstery
  • Heated Front Seats
  • Wheels: 18" x 8" Light Alloy Turbine (Style 415)
2018 BMW i3
94 Ah RWD

Exterior Colors

  • Capparis White with BMW I Frozen Blue Accent
  • Fluid Black with BMW I Frozen Blue Accent
  • Imperial Blue Metallic with Frozen Gray Accent
  • Melbourne Red Metallic with Frozen Gray Accent
  • Mineral Gray Metallic with BMW I Frozen Blue Accent
  • Protonic Blue Metallic with Frozen Gray Accent

Option Packages

  • Harman/Kardon Premium Sound System
  • Giga World
  • Mega World
  • Technology & Driving Assistant Package
  • Tera World
  • Park Distance Control
  • Moonroof
  • Wheels: 20" X 5.0" Front/20" X 5.5" Rear Double Spoke

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