2020 BMW i8 vs. 2020 Porsche 911
When we compare the 2020 BMW i8's and the 2020 Porsche 911's specifications and ratings, the 2020 BMW i8 has the advantage in the areas of typical lower range of pricing for used cars, and fuel efficiency. The 2020 Porsche 911 has the advantage in the areas of reliability, resale value, overall quality score and base engine power. Based on this comparison of the 2020 BMW i8's and the 2020 Porsche 911's specifications and ratings, the 2020 Porsche 911 is a better car than the 2020 BMW i8.
2020 BMW i8 vs. 2020 Porsche 911 Pricing
A used 2020 BMW i8 ranges from $72,769 to $107,825 while a used 2020 Porsche 911 is priced between $104,454 to $147,270.
2020 BMW i8 vs. 2020 Porsche 911 Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the 2020 BMW i8 loses 50.8 percent of its value and the 2020 Porsche 911 loses 15.2 percent of its value. This means the 2020 Porsche 911 retains 35.6 percentage points more of its value and has the advantage of higher resale value versus the 2020 BMW i8.
2020 BMW i8 vs. 2020 Porsche 911 Quality Rating
The iSeeCars Overall Quality rating for the BMW i8 is 7.5 out of 10 while the Porsche 911's quality rating is 8.5 out of 10. This results in the BMW i8 being ranked 2 out of 4 Best Hybrid Luxury Coupes and the Porsche 911 being ranked 1 out of 40 Best Luxury Sports Cars.
2020 BMW i8 vs. 2020 Porsche 911 Reliability Rating
iSeeCars’ Reliability Rating for the BMW i8 is 6.6 out of 10. For the Porsche 911 the reliability rating is 7.8 out of 10. This gives the Porsche 911 an advantage in reliability compared to the BMW i8.
Engine Power and Fuel Efficiency Comparison
For engine performance, the 2020 BMW i8’s base engine makes 369 horsepower, and the 2020 Porsche 911 base engine makes 379 horsepower. The i8 is rated to deliver an average of 27 miles per gallon, with a highway range of 337 miles. The 911 is rated to deliver an average of 20 miles per gallon, with a highway range of 406 miles.This gives the 2020 BMW i8 the advantage in fuel efficiency and the 2020 Porsche 911 the advantage in maximum range. The i8 uses electricity, premium unleaded, and the 911 uses premium unleaded.
Pricing
New Asking Price:
-
Used Asking Price:
$72,769 - $107,825
5-Year Depreciation (lower is better):
50.8%
Pricing
New Asking Price:
-
Used Asking Price:
$104,454 - $147,270
5-Year Depreciation (lower is better):
15.2%
BMW i8 Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
6.6 / 10
Retained Value:
8.4 / 10
Safety:
Not available
Porsche 911 Scores & Rankings
Overall Score:
8.5 / 10
Reliability:
7.8 / 10
Retained Value:
9.1 / 10
Safety:
Not available
BMW i8 Rankings
Ranking
1 out of / 6Ranking
1 out of / 6Ranking
1 out of / 5Ranking
1 out of / 4Ranking
1 out of / 4Ranking
1 out of / 1Ranking
2 out of / 21Ranking
2 out of / 21Ranking
2 out of / 5Ranking
2 out of / 5Ranking
2 out of / 4Ranking
2 out of / 4Ranking
2 out of / 3Ranking
3 out of / 27Ranking
3 out of / 6Ranking
3 out of / 6Ranking
3 out of / 5Ranking
3 out of / 5Ranking
3 out of / 4Ranking
4 out of / 12Ranking
4 out of / 12Ranking
4 out of / 4Ranking
5 out of / 27Ranking
5 out of / 21Ranking
5 out of / 6Ranking
7 out of / 27Ranking
7 out of / 21Ranking
9 out of / 27Ranking
10 out of / 21Ranking
15 out of / 27Ranking
16 out of / 21Ranking
18 out of / 27Porsche 911 Rankings
Ranking
1 out of / 40Ranking
1 out of / 40Ranking
1 out of / 40Ranking
1 out of / 33Ranking
1 out of / 33Ranking
1 out of / 23Ranking
1 out of / 21Ranking
1 out of / 21Ranking
1 out of / 21Ranking
1 out of / 11Ranking
2 out of / 33Ranking
2 out of / 19Ranking
4 out of / 33Ranking
5 out of / 40Ranking
5 out of / 21Ranking
9 out of / 21Ranking
10 out of / 40Ranking
11 out of / 15Ranking
15 out of / 33Ranking
17 out of / 40Ranking
23 out of / 32Ranking
23 out of / 29Available Body Styles
Convertible, Coupe
Available Body Styles
Convertible, Coupe
Available Drivetrain Options
Plug-In Hybrid
Available Drivetrain Options
Gasoline
2020 BMW i8 Trim Levels
Not yet available
2020 Porsche 911 Trim Levels
Not yet available
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specifications
Horsepower:
369 hp @ 5800 rpm
Torque:
420 foot-lbs @ 3700 rpm
Power-to-Weight Ratio (higher is better):
0.105 hp per pound
Base Drivetrain Specifications
Horsepower:
379 hp @ 6500 rpm
Torque:
331 foot-lbs @ 1950 rpm
Power-to-Weight Ratio (higher is better):
0.113 hp per pound
Engine Specifications
Engine Size:
1.5 liters
Engine Configuration:
Inline
Number of Cylinders:
3
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
26 / 29 / 27
Range (city/hwy):
304 / 337 miles
Recommended Fuel Type:
Electricity, Premium Unleaded
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
18 / 24 / 20
Range (city/hwy):
304 / 406 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Apple Car Play:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Adaptive Cruise Control:
N/A
Android Auto:
N/A
Cooled/Ventilated Seats:
N/A
Heated Steering Wheel:
N/A
Sunroof/Moonroof:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Apple Car Play:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Adaptive Cruise Control:
Available
Android Auto:
N/A
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Sunroof/Moonroof:
Available
Wireless Smartphone Charging:
N/A
Safety Equipment
360-Degree Camera:
Standard
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Equipment
360-Degree Camera:
N/A
Forward Collision Warning:
Standard
Pedestrian Detection:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
38.7 inches
Front Leg Room:
43.1 inches
Front Shoulder Room:
56.7 inches
Rear Head Room:
32.4 inches
Rear Leg Room:
28.2 inches
Rear Shoulder Room:
49.6 inches
Cargo Space:
4.7 cubic feet
Overall Interior Volume:
Not yet available
Interior Dimensions
Front Head Room:
Not yet available
Front Leg Room:
Not yet available
Front Shoulder Room:
Not yet available
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
4.6 cubic feet
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
3501 lbs
Width:
87.3 inches
Height:
50.9 inches
Length:
184.9 inches
Wheelbase:
110.2 inches
Ground Clearance:
4.6 inches
Exterior Dimensions
Curb Weight:
3354 lbs
Width:
79.7 inches
Height:
51.2 inches
Length:
177.9 inches
Wheelbase:
96.5 inches
Ground Clearance:
4.7 inches
Standard Wheel/Tire Information
Wheel Size:
20.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
215/45R20
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
235/40ZR19
