Compare BMW i8 Coupe vs BMW i8 Roadster vs BMW M4 Coupe

BMW i8 Coupe
2020 BMW i8 Coupe
Select configuration:
$147,500
Starting Price (MSRP)
8.6
BMW i8 Coupe Full Review
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BMW i8 Roadster
2020 BMW i8 Roadster
Select configuration:
$163,300
Starting Price (MSRP)
8.3
BMW i8 Roadster Full Review
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BMW M4 Coupe
2021 BMW M4 Coupe
Select configuration:
$71,800
Starting Price (MSRP)
N/A
BMW M4 Coupe Full Review
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Overview

Engine
1.5-liter Turbo Inline-3 Plug-in Hybrid
Engine
1.5-liter Turbo Inline-3 Plug-in Hybrid
Engine
3.0-liter Twin-Turbo Inline-6 Gas
Transmission
6-Speed Automatic
Transmission
6-Speed Automatic
Transmission
6-Speed Manual
Drivetrain
All-Wheel Drive
Drivetrain
All-Wheel Drive
Drivetrain
Rear-Wheel Drive
Fuel Tank Capacity
11.1 gallons
Fuel Tank Capacity
11.1 gallons
Fuel Tank Capacity
N/A
Seating Capacity
4 seater
Seating Capacity
2 seater
Seating Capacity
N/A
Trunk Volume
5.4 ft³
Trunk Volume
3.1 ft³
Trunk Volume
N/A

Photos

17
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38
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35
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Performance Specs

Engine and Transmission

Engine
1.5-liter Turbo Inline-3 Plug-in Hybrid
1.5-liter Turbo Inline-3 Plug-in Hybrid
3.0-liter Twin-Turbo Inline-6 Gas
Horsepower
369 hp @ 5800 rpm
369 hp @ 5800 rpm
473 hp @ 5500 rpm
Torque
420 lb-ft
420 lb-ft
406 lb-ft @ 1850 rpm
Transmission
6-Speed Automatic
6-Speed Automatic
6-Speed Manual
Drivetrain
All-Wheel Drive
All-Wheel Drive
Rear-Wheel Drive

Steering

Steering Type
Rack-Pinion
Rack-Pinion
N/A
Turning Diameter
40.4 ft
40.4 ft
N/A

Wheels

Wheels Type
Aluminum Wheels
Aluminum Wheels
N/A
Front Wheel Size
20" x 7.5"
20" x 7.5"
N/A
Rear Wheel Size
20" x 8.5"
20" x 8.5"
N/A

Suspension

Front Suspension
Double Wishbone
Double Wishbone
N/A
Rear Suspension
Multi-Link
Multi-Link
N/A

Tires

Front Tire
P215/45YR20
P215/45YR20
N/A
Rear Tire
P245/40YR20
P245/40YR20
N/A

Fuel and MPG

Fuel Economy

Combined
27 MPG
27 MPG
N/A

Fuel Tank

Fuel Tank Capacity
11.1 gallons
11.1 gallons
N/A

Dimensions and Measurement

Exterior Dimensions

Length
184.9 in
184.9 in
189.1 in
Height
50.8 in
50.7 in
54.8 in
Max Width
76.5 in
76.5 in
74.3 in
Front Width
64.7 in
64.7 in
N/A
Rear Width
67.8 in
67.8 in
N/A
Wheelbase
110.2 in
110.2 in
112.5 in

Interior Space

Seating Capacity
4 seater
2 seater
N/A
Front Seat Leg Room
43.1 in
43.1 in
N/A
Front Seat Headroom
38.7 in
38.7 in
N/A
Front Seat Shoulder Room
56.7 in
56.7 in
N/A
Rear Seat Leg Room
28.2 in
N/A
N/A
Rear Seat Headroom
32.4 in
N/A
N/A
Rear Seat Shoulder Room
49.6 in
N/A
N/A

Weight and Towing

Curb Weight
3,501 lbs
3,671 lbs
N/A

Cargo Space

Trunk Volume
5.4 ft³
3.1 ft³
N/A

Colors and Materials

Standard Exterior Colors

  • E-Copper Metallic w/Frozen Grey Accent
  • Sophisto Gray Metallic w/BMW i Frozen Blue Accent
  • Sophisto Gray Metallic w/Frozen Gray Accent
  • Special Order Color
  • E-Copper Metallic w/Frozen Grey Accent
  • Sophisto Gray Metallic w/BMW i Frozen Blue Accent
  • Sophisto Gray Metallic w/Frozen Gray Accent
  • Special Order Color
N/A

Optional Exterior Colors

  • Crystal White Pearl Metallic w/BMW i Frozen Blue
  • Crystal White Pearl Metallic w/Frozen Gray Accent
  • Crystal White Pearl Metallic w/BMW i Frozen Blue
  • Crystal White Pearl Metallic w/Frozen Gray Accent
N/A

Standard Interior Materials

  • E-Copper Exclusive, Natural Leather/Cloth Upholstery
  • Giga Amido, Full Perforated Leather Upholstery
  • Giga Ivory White, Full Perforated Leather Upholstery
  • Tera Dalbergia Brown, Natural Leather/Cloth Upholstery
  • E-Copper Exclusive, Natural Leather/Cloth Upholstery
  • Giga Amido, Full Perforated Leather Upholstery
  • Giga Ivory White/Black, Full Perforated Leather Upholstery
  • Tera Dalbergia Brown, Natural Leather/Cloth Upholstery
N/A

Features and Options

Infotainment

Bluetooth Connection
Standard
Standard
Not Available
Hard Disk Drive Media Storage
Standard
Standard
Not Available
Premium Sound System
Standard
Standard
Not Available
Satellite Radio
Standard
Standard
Not Available
Smart Device Integration
Standard
Standard
Not Available
Auxiliary Audio Input
Standard
Standard
Not Available
MP3 Player
Standard
Standard
Not Available

Interior Trim

Bucket Seats
Standard
Standard
Not Available
Cloth Seats
Standard
Standard
Not Available
Leather Seats
Standard
Standard
Not Available
Leather Steering Wheel
Standard
Standard
Not Available
Premium Synthetic Seats
Standard
Standard
Not Available
Vinyl Seats
Standard
Standard
Not Available

Comfort

Head-Up Display
Standard
Standard
Not Available
Navigation System
Standard
Standard
Not Available
Steering Wheel Audio Controls
Standard
Standard
Not Available
Power Mirror(s)
Standard
Standard
Not Available
A/C
Standard
Standard
Not Available
Climate Control
Standard
Standard
Not Available
Cruise Control
Standard
Standard
Not Available
Heated Front Seat(s)
Standard
Standard
Not Available
Keyless Entry
Standard
Standard
Not Available
Multi-Zone A/C
Standard
Standard
Not Available
Power Driver Seat
Standard
Standard
Not Available
Power Passenger Seat
Standard
Standard
Not Available
Universal Garage Door Opener
Standard
Standard
Not Available
Keyless Start
Standard
Standard
Not Available
Telematics
Standard
Standard
Not Available

Safety

Safety Features

Back-Up Camera
Standard
Standard
Not Available
Cross-Traffic Alert
Standard
Standard
Not Available
Rear Parking Aid
Standard
Standard
Not Available
Blind Spot Monitor
Standard
Standard
Not Available
Lane Departure Warning
Standard
Standard
Not Available
ABS
Standard
Standard
Not Available
Tire Pressure Monitor
Standard
Standard
Not Available
Brake Assist
Standard
Standard
Not Available
Stability Control
Standard
Standard
Not Available
Traction Control
Standard
Standard
Not Available

Airbags

Driver Air Bag
Standard
Standard
Not Available
Front Head Air Bag
Standard
Not Available
Not Available
Front Side Air Bag
Standard
Standard
Not Available
Knee Air Bag
Standard
Standard
Not Available
Passenger Air Bag
Standard
Standard
Not Available
Rear Head Air Bag
Standard
Not Available
Not Available

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
N/A
Corrosion
12 Years / Unlimited Miles
12 Years / Unlimited Miles
N/A
Drivetrain
4 Years / 50,000 Miles
4 Years / 50,000 Miles
N/A
Hybrid/Electric Components
8 Years / 100,000 Miles
8 Years / 100,000 Miles
N/A
Maintenance
3 Years / 36,000 Miles
3 Years / 36,000 Miles
N/A
Roadside Assistance
4 Years / Unlimited Miles
4 Years / Unlimited Miles
N/A