BMW i8 vs. BMW i4
iSeeCars' unbiased and data-driven comparison of the BMW i8 and BMW i4 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the BMW i8 and the BMW i4.
When comparing the BMW i8's and the BMW i4's specifications and ratings, the BMW i8 has the advantage in the areas of resale value and base engine power. Based on this comparison of the BMW i8's and the BMW i4's specifications and ratings, the BMW i8 is a better car than the BMW i4.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the BMW i8 loses 47.3 percent of its value and the BMW i4 loses 68.1 percent of its value. This means the BMW i8 retains 20.8 percentage points more of its value and has the advantage of higher resale value versus the BMW i4.
Engine Power and Fuel Efficiency Comparison: For engine performance, the BMW i8’s base engine makes 369 horsepower, and the BMW i4 base engine makes 282 horsepower. The i8 is rated to deliver an average of 27 miles per gallon, with a highway range of 337 miles. The i4 is rated to deliver an average of 117 miles per gallon of gasoline-equivalent (MPGe), with a highway range of 266 miles.This gives the BMW i4 the advantage in fuel efficiency and the BMW i8 the advantage in maximum range. The i8 uses electricity, premium unleaded, and the i4 uses electricity.
New Car Pricing
Asking Price:
-
Starting MSRP:
147500
Category Avg Starting MSRP:
(Luxury Hybrid Sports Cars)
143683
Category Starting MSRP Range:
(Luxury Hybrid Sports Cars)
103800 - 163300
New Car Pricing
Asking Price:
60078 - 76975
Starting MSRP:
52800
Category Avg Starting MSRP:
(Luxury Electric Compact Cars)
53363
Category Starting MSRP Range:
(Luxury Electric Compact Cars)
42490 - 64800
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Hybrid Sports Cars)
64084
Category Avg Price Range:
(Luxury Hybrid Sports Cars)
58919 - 69249
# Used Cars for Sale Nationally:
2
Avg Mileage of Used Cars for Sale:
34630
# Good or Great Deals:
0
Used Car Pricing
Avg Used Car Price:
60314
Price Range:
49970 - 71530
Category Avg Price:
(Luxury Electric Compact Cars)
49176
Category Avg Price Range:
(Luxury Electric Compact Cars)
38037 - 60314
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
BMW i8 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
8.0 / 10
Safety:
Not available
BMW i4 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
6.6 / 10
Safety:
Not available
iSeeCars Reliability Insights for BMW i8
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for BMW i4
Avg Life Expectancy (years):
Typical Category Life Expectancy:
N/A
Category Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
4.719089694940832
Typical Category Recalls:
(Luxury Hybrid Sports Cars)
4.7
Category Range for Recalls:
(Luxury Hybrid Sports Cars)
2.2 - 22.4
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
6.418629444251399
Typical Category Recalls:
(Luxury Electric Compact Cars)
6.8
Category Range for Recalls:
(Luxury Electric Compact Cars)
6.4 - 167.4
BMW i8 Rankings
Ranking
1 out of / 12Ranking
4 out of / 27Ranking
8 out of / 37Ranking
8 out of / 27Ranking
8 out of / 12Ranking
11 out of / 37Ranking
11 out of / 12Ranking
23 out of / 27Ranking
29 out of / 37BMW i4 Rankings
Ranking
2 out of / 21Ranking
4 out of / 22Ranking
6 out of / 30Ranking
6 out of / 27Ranking
6 out of / 22Ranking
11 out of / 22Ranking
12 out of / 22Ranking
15 out of / 22Ranking
16 out of / 22Ranking
17 out of / 30Ranking
17 out of / 30Ranking
17 out of / 22Ranking
19 out of / 30Ranking
23 out of / 30Ranking
24 out of / 30Available Body Styles
Convertible, Coupe
Available Body Styles
Sedan
Available Drivetrain Options
Plug-In Hybrid
Available Drivetrain Options
Electric
BMW i8 Trim Levels
Base
BMW i4 Trim Levels
eDrive35 Gran Coupe, eDrive40 Gran Coupe, M50 Gran Coupe, xDrive40 Gran Coupe
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
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
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 Specs
Horsepower:
282 hp
Torque:
295 foot-lbs
Power-to-Weight Ratio (higher is better):
0.062 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
MPGe:
68 / 70 / 69
Range (city/hwy):
304 / 337 miles
Recommended Fuel Type:
Electricity, Premium Unleaded
Battery Size/Capacity :
Not applicable
Maximum Charging Rate:
Not applicable
Engine Specifications
Engine Size:
Not Applicable
Engine Configuration:
Not Applicable
Number of Cylinders:
Not Applicable
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
Not applicable
MPGe:
117 / 114 / 116
Range (city/hwy):
266 miles
Recommended Fuel Type:
Electricity
Battery Size/Capacity:
68.7 kWh
Maximum Charging Rate:
8 hours (240V)
Standard/Optional Features
Alloy wheels:
Standard
Apple CarPlay:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Quad Seats:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Apple CarPlay:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
N/A
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Quad Seats:
N/A
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Available
Air Suspension:
Standard
Android Auto:
Standard
Automatic Parking:
Available
Bench Seats:
Standard
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Heated Steering Wheel:
Available
Internet Radio:
Standard
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
Standard
Trailer Hitch:
N/A
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Safety Features
360-Degree Camera:
Standard
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
Backup camera:
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
Safety Features
360-Degree Camera:
Available
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Rear Cross-Traffic Alert:
Standard
Rear Seat Reminder:
Standard
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:
38.2 inches
Front Leg Room:
41.5 inches
Front Shoulder Room:
55.2 inches
Rear Head Room:
36.6 inches
Rear Leg Room:
34.2 inches
Rear Shoulder Room:
54.3 inches
Cargo Space:
16.6 cubic feet
Overall Interior Volume:
90.0 cubic feet
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:
4553 lbs
Width:
81.6 inches
Height:
57 inches
Length:
188.5 inches
Wheelbase:
112.4 inches
Ground Clearance:
4.9 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:
18.0 x 7.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
225/50R18
Exterior Colors
Brown
E-Copper Metallic w/ Frozen Grey Accent
Gray
Donington Grey / Sophisto Grey Metallic w/ BMW i Frozen Blue Accent / Sophisto Grey Metallic w/ E-Copper Accent / Sophisto Grey Metallic w/ Frozen Grey Accent
White
Crystal White Pearl Metallic w/ BMW i Frozen Blue Accent / Crystal White Pearl Metallic w/ Frozen Grey Accent
Black
Not available
Blue
Not available
Green
Not available
Red
Not available
Exterior Colors
Brown
Not available
Gray
Brooklyn Grey Metallic / Dravit Grey Metallic / Frozen Pure Grey II Metallic / Skyscraper Grey Metallic
White
Alpine White / Mineral White Metallic
Black
Black Sapphire Metallic / Jet Black
Blue
Frozen Portimao Blue Metallic / Portimao Blue Metallic / Tanzanite Blue II Metallic
Green
Cape York Green Metallic
Red
Vegas Red Metallic
Interior Colors
Brown
E-Copper Exclusive / Terra Exclusive Dalbergia Brown
Gray
Giga Amido
White
Giga Ivory White
Beige
Not available
Black
Not available
Red
Not available
Interior Colors
Brown
Cognac / Mocha
Gray
Oyster
White
Not available
Beige
Canberra Beige
Black
Black / Black w/ Blue Contrast Stitching / Black w/ Red Highlight
Red
Tacora Red
