2. Comparisons

2019 BMW i8 Roadster vs. 2020 Porsche 911 Convertible

Image Comparison

Compare images of 2019 BMW i8 Roadster and 2020 Porsche 911 Convertible by choosing the desired model and trim and then selecting the comparison image.

What is the main difference between i8 Roadster and 911 Convertible?

Two Convertibles with some similarities, but otherwise different in most aspects such as the powertrain, starting price, fuel economy, market segment, horsepower, ground shadow size, and maximum occupancy. First of all, the 2020 Porsche 911 Convertible has a more powerful engine than the 2019 BMW i8 Roadster, and it gets 7 fewer miles on a gallon of fuel. Also, the 2020 911 Convertible is priced $53,100 lower compared to the base MSRP of the 2019 i8 Roadster. In addition, the body structure of i8 Roadster is slightly larger than that of the 911 Convertible. And then, you'll seat two more passengers in the Porsche 911 Convertible than in the BMW i8 Roadster. Among similarities are the body structure, market segment, and height.

Specification Comparison

Safety Rating
Safety Rating
Trim
Trim
Configuration
Configuration
  • 1.5 L, Turbo, Auto, AWD
  • 3.0 L, Turbo, Auto, RWD
MSRP
MSRP
$163,300
$126,100
Engine
Engine
1.5 L/91 + Electric Motor
3.0 L/182
Horsepower
Horsepower
369 hp
443 hp
Drivetrain
Drivetrain
All Wheel Drive
Rear Wheel Drive
0-60 MPH
0-60 MPH
City MPG
City MPG
68 MPGe
17 - 18 MPG
Highway MPG
Highway MPG
70 MPGe
23 - 24 MPG
Combined MPG
Combined MPG
69 MPGe
20 MPG
Width
Width
Width W/O Mirrors
Width W/O Mirrors
76.5 in
72.9 in
Length
Length
184.9 in
177.9 in
Height
Height
50.7 in
51.1 - 51.2 in
Wheelbase
Wheelbase
110.2 in
96.5 in
Ground Shadow
Ground Shadow
98.2 ft2
90.1 ft2
Seats
Seats
2
4
First Row Head Room
First Row Head Room
38.7 in
-
First Row Leg Room
First Row Leg Room
43.1 in
-
First Row Leg Shoulder
First Row Leg Shoulder
56.7 in
-
Second Row Head Room
Second Row Head Room
-
-
Second Row Leg Room
Second Row Leg Room
-
-
Second Row Leg Shoulder
Second Row Leg Shoulder
-
-

Costs

2019 BMW i8 Roadster

2020 Porsche 911 Convertible

Annual Fuel Cost
Annual Fuel Cost
$2,600
$3,500
Mininum Monthly Lease
Mininum Monthly Lease
$939 (2019 BMW i8 Roadster)
$1,519 (2020 Porsche 911 Carrera Cabriolet)
Lease Due
Lease Due
$4,999
$4,999
Cost To Lease
Cost To Lease
$41,403
$63,183
2019 BMW i8 Roadster vs. 2020 Porsche 911 Convertible - Front Left Comparison2019 BMW i8 Roadster vs. 2020 Porsche 911 Convertible - Front Left Comparison
2019 BMW i8 Roadster vs. 2020 Porsche 911 Convertible - Rear Right Comparison2019 BMW i8 Roadster vs. 2020 Porsche 911 Convertible - Rear Right Comparison
2019 BMW i8 Roadster vs. 2020 Porsche 911 Convertible - Dashboard Comparison2019 BMW i8 Roadster vs. 2020 Porsche 911 Convertible - Dashboard Comparison
2019 BMW i8 Roadster vs. 2020 Porsche 911 Convertible - Side Comparison2019 BMW i8 Roadster vs. 2020 Porsche 911 Convertible - Side Comparison
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