BMW i8 vs. BMW M8
iSeeCars' unbiased and data-driven comparison of the BMW i8 and BMW M8 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 M8.
In comparing the BMW i8's and the BMW M8's specifications and ratings, the BMW i8 has the advantage in the areas of fuel efficiency and resale value. The BMW M8 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars and base engine power. Based on this comparison of the BMW i8's and the BMW M8's specifications and ratings, the two cars are fairly comparable.
Pricing: A used 2020 BMW i8 ranges from $64,955 to $94,528 while a used 2020 BMW M8 is priced between $63,930 to $89,996.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the BMW i8 loses 45.6 percent of its value and the BMW M8 loses 55.8 percent of its value. This means the BMW i8 retains 10.2 percentage points more of its value and has the advantage of higher resale value versus the BMW M8.
Engine Power and Fuel Efficiency Comparison: For engine performance, the BMW i8’s base engine makes 369 horsepower, and the BMW M8 base engine makes 600 horsepower. The i8 is rated to deliver an average of 27 miles per gallon, with a highway range of 337 miles. The M8 is rated to deliver an average of 17 miles per gallon, with a highway range of 422 miles.This gives the BMW i8 the advantage in fuel efficiency and the BMW M8 the advantage in maximum range. The i8 uses electricity, premium unleaded, and the M8 uses premium unleaded.
New Car Pricing
Asking Price:
-
Starting MSRP:
$147,500
Category Avg Starting MSRP:
(Luxury Hybrid Sports Cars)
$143,683
Category Starting MSRP Range:
(Luxury Hybrid Sports Cars)
$103,800 - $163,300
New Car Pricing
Asking Price:
-
Starting MSRP:
$130,000
Category Avg Starting MSRP:
(Luxury Midsize Cars)
$63,037
Category Starting MSRP Range:
(Luxury Midsize Cars)
$25,370 - $130,000
Used Car Pricing
Avg Used Car Price:
$83,233
Price Range:
$64,955 - $94,528
Category Avg Price:
(Luxury Hybrid Sports Cars)
$76,713
Category Avg Price Range:
(Luxury Hybrid Sports Cars)
$68,156 - $83,233
# Used Cars for Sale Nationally:
4
Avg Mileage of Used Cars for Sale:
31,881
# Good or Great Deals:
0
Used Car Pricing
Avg Used Car Price:
$77,843
Price Range:
$63,930 - $89,996
Category Avg Price:
(Luxury Midsize Cars)
$44,278
Category Avg Price Range:
(Luxury Midsize Cars)
$23,996 - $77,843
# Used Cars for Sale Nationally:
41
Avg Mileage of Used Cars for Sale:
30,917
# Good or Great Deals:
12
BMW i8 Scores & Rankings
Overall Score:
7.1 / 10
Reliability:
6.6 / 10
Retained Value:
7.7 / 10
Safety:
Not available
BMW M8 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.0 / 10
Safety:
Not available
iSeeCars Reliability Insights for BMW i8
Remaining Life Expectancy (years):
11
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
0%
iSeeCars Reliability Insights for BMW M8
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Midsize Cars)
7.2
Category Remaining Life Expectancy Range:
(Luxury Midsize Cars)
4 - 10.6
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
4.6
Typical Category Recalls:
(Luxury Hybrid Sports Cars)
3.9
Category Range for Recalls:
(Luxury Hybrid Sports Cars)
0.3 - 26.1
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
22.8
Typical Category Recalls:
(Luxury Midsize Cars)
3
Category Range for Recalls:
(Luxury Midsize Cars)
0.6 - 32.7
BMW i8 Rankings
Ranking
1 out of / 8Ranking
1 out of / 8Ranking
1 out of / 8Ranking
2 out of / 20Ranking
3 out of / 28Ranking
3 out of / 20Ranking
5 out of / 8Ranking
5 out of / 8Ranking
6 out of / 20Ranking
7 out of / 28Ranking
7 out of / 28Ranking
7 out of / 20Ranking
7 out of / 8Ranking
9 out of / 20Ranking
13 out of / 28Ranking
14 out of / 20Ranking
16 out of / 28Ranking
16 out of / 20Ranking
19 out of / 28Ranking
20 out of / 28BMW M8 Rankings
Ranking
2 out of / 29Ranking
2 out of / 29Ranking
3 out of / 29Ranking
15 out of / 29Ranking
19 out of / 29Ranking
20 out of / 20Available Body Styles
Convertible, Coupe
Available Body Styles
Convertible, Coupe, Sedan
Available Drivetrain Options
Plug-In Hybrid
Available Drivetrain Options
Gasoline
BMW i8 Trim Levels
Not yet available
BMW M8 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
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:
600 hp @ 6000 rpm
Torque:
553 foot-lbs @ 1800 rpm
Power-to-Weight Ratio (higher is better):
0.134 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:
4.4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
15 / 21 / 17
Range (city/hwy):
302 / 422 miles
Recommended Fuel Type:
Premium Unleaded
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:
Standard
Parking Sensors:
Available
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:
N/A
Android Auto:
N/A
Automatic Parking:
Available
Bench Seats:
Standard
Captain's seat:
N/A
Cooled/Ventilated Seats:
Standard
Front Bench Seats:
N/A
Heated Steering Wheel:
Standard
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:
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:
Available
Driver Attention Monitoring:
N/A
Lane Departure Warning:
Available
Lane Keeping Assist:
Available
Rear Cross-Traffic Alert:
Available
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:
39.1 inches
Front Leg Room:
42.1 inches
Front Shoulder Room:
57.2 inches
Rear Head Room:
37.1 inches
Rear Leg Room:
36.6 inches
Rear Shoulder Room:
54.6 inches
Cargo Space:
11 cubic feet
Overall Interior Volume:
100.0 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:
4480 lbs
Width:
84.1 inches
Height:
55.9 inches
Length:
200.9 inches
Wheelbase:
119.2 inches
Ground Clearance:
5.1 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:
20.0 x 9.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
275/35R20
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
Red
Not available
Exterior Colors
Brown
Almandin Brown II Metallic
Gray
Brands Hatch Grey Metallic / Donington Grey Metallic / Dravit Grey Metallic / Frozen Bluestone Metallic
White
Alpine White
Black
Black Sapphire Metallic
Blue
Barcelona Blue Metallic / Marina Bay Blue Metallic / Sonic Speed Blue Metallic
Red
Ametrin Metallic / Aventurin Red Metallic / Motegi 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
Orange
Not available
Interior Colors
Brown
Taruma Brown
Gray
Silverstone
White
Ivory White/Night Blue / Ivory White/Tartufo
Beige
Midrand Beige
Black
Black
Orange
Sakhir Orange/Black
