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  3. Compare BMW i8 Roadster vs Porsche 911 Targa 4

Compare BMW i8 Roadster vs Porsche 911 Targa 4

BMW i8 Roadster
2019 BMW i8 Roadster
Select configuration:
$163,300
Starting Price (MSRP)
8.3
BMW i8 Roadster Full Review
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Porsche 911 Targa 4
2019 Porsche 911 Targa 4
Select configuration:
$110,300
Starting Price (MSRP)
8.8
Porsche 911 Targa 4 Full Review
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Audi R8 Spyder BMW i8 Coupe Mercedes-AMG GT Roadster Mercedes-AMG S63 Convertible Mercedes-AMG SL63 Polestar Polestar 1
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Overview

Engine
1.5-liter Turbo Inline-3 Plug-in Hybrid
Engine
3.0-liter Twin-Turbo Flat 6 Gas
Transmission
6-Speed Automatic
Transmission
7-Speed Manual
7-Speed Automatic (+$3,210)
Drivetrain
All-Wheel Drive
Drivetrain
All-Wheel Drive
Fuel Economy
N/A
Fuel Economy
City: 19 MPG
Hwy: 28 MPG
Fuel Tank Capacity
11.1 gallons
Fuel Tank Capacity
17.9 gallons
Seating Capacity
2 seater
Seating Capacity
4 seater
Trunk Volume
3.1 ft³
Trunk Volume
N/A

Photos

BMW i8 Roadster
2019 BMW i8 Roadster Rear Angle in Motion
2019 BMW i8 Roadster Driver Area
38
More
Porsche 911 Targa 4
2016-2019 Porsche 911 Targa 4 Open Top
2016-2019 Porsche 911 Targa 4 Steering Wheel
18
More

Performance Specs

Engine and Transmission

Engine
1.5-liter Turbo Inline-3 Plug-in Hybrid
3.0-liter Twin-Turbo Flat 6 Gas
Horsepower
369 hp @ 5800 rpm
370 hp @ 6500 rpm
Torque
420 lb-ft
331 lb-ft @ 1700 rpm
Transmission
6-Speed Automatic
7-Speed Manual
7-Speed Automatic (+$3,210)
Drivetrain
All-Wheel Drive
All-Wheel Drive

Steering

Steering Type
Rack-Pinion
Rack-Pinion
Turning Diameter
40.4 ft
36.4 ft

Wheels

Wheels Type
Aluminum Wheels
Aluminum Wheels
Front Wheel Size
20" x 7.5"
19" x 8.5"
Rear Wheel Size
20" x 8.5"
19" x 11.5"

Suspension

Front Suspension
Double Wishbone
Strut
Rear Suspension
Multi-Link
Multi-Link

Tires

Front Tire
P215/45YR20
P235/40YR19
Rear Tire
P245/40YR20
P295/35YR19

Fuel and MPG

Fuel Economy

Combined
27 MPG
22 MPG
City
N/A
19 MPG
Highway
N/A
28 MPG

Emissions

CO2 Emissions @ 15K mi/year
N/A
8.0 Tons/yr

Fuel Tank

Fuel Tank Capacity
11.1 gallons
17.9 gallons
Cruising Range City
N/A
340.1 miles
Cruising Range Highway
N/A
501.2 miles

Dimensions and Measurement

Exterior Dimensions

Length
184.9 in
177.1 in
Height
50.7 in
50.7 in
Max Width
76.5 in
72.9 in
Front Width
64.7 in
60.7 in
Rear Width
67.8 in
61.3 in
Wheelbase
110.2 in
96.5 in

Interior Space

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

Weight and Trailing

Curb Weight
3,671 lbs
3,462 lbs

Cargo Space

Trunk Volume
3.1 ft³
N/A

Colors and Materials

Standard Exterior Colors

  • E-Copper Metallic w/Frozen Grey Accent
  • Individual Donington Grey Met w/Frozen Grey Accent
  • Sophisto Gray Metallic w/BMW i Frozen Blue Accent
  • Sophisto Gray Metallic w/Frozen Gray Accent
  • Black
  • Guards Red
  • Racing Yellow
  • White

Optional Exterior Colors

  • Crystal White Pearl Metallic w/BMW i Frozen Blue
  • Crystal White Pearl Metallic w/Frozen Gray Accent
  • Agate Grey Metallic
  • Carrara White Metallic
  • GT Silver Metallic
  • Jet Black Metallic
  • Night Blue Metallic
  • Carmine Red
  • Chalk
  • Lava Orange
  • Miami Blue
  • Custom Color Metallic
  • Custom Color

Standard Interior Materials

  • E-Copper Exclusive, Natural Leather/Cloth Upholstery
  • Giga Amido, Full Perforated Leather Upholstery
  • Giga Ivory White/Black, Full Perforated Leather Upholstery
  • Tera Excl Dalbergia Brown, Natural Leather/Cloth Upholstery
  • Agate Grey, Leather Seat Trim
  • Agate Grey, Partial Leather Seat Trim
  • Black, Leather Seat Trim
  • Black, Partial Leather Seat Trim

Optional Interior Materials

N/A
  • Agate Grey, Leather Seat Trim w/Leather Interior
  • Black, Leather Seat Trim w/Leather Interior
  • Black/Dark Silver, Leather Seat Trim w/Sport-Tex Seat Centers
  • Graphite Blue/Chalk, Leather Seat Trim w/Sport-Tex Seat Centers
  • Black/Bordeaux Red, Two-Tone Leather Seat Trim
  • Black/Luxor Beige, Two-Tone Leather Seat Trim
  • Bordeaux Red, Special Color Leather Seat Trim
  • Graphite Blue, Special Color Leather Seat Trim
  • Graphite Blue/Chalk, Two-Tone Leather Seat Trim
  • Espresso, Natural Leather Seat Trim
  • Color to Sample, Leather Seat Trim in Color to Sample
  • Espresso/Cognac, Two-Tone Natural Leather Seat Trim

Features and Options

Infotainment

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

Interior Trim

Bucket Seats
Standard
Standard
Cloth Seats
Standard
Standard
Leather Seats
Standard
Standard
Leather Steering Wheel
Standard
Standard
Premium Synthetic Seats
Standard
Standard
Vinyl Seats
Standard
Standard
Woodgrain Interior Trim
Not Available
Optional

Comfort

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

Safety

Safety Features

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

Airbags

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

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
12 Years / Unlimited Miles
12 Years / Unlimited Miles
Drivetrain
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Hybrid/Electric Components
8 Years / 100,000 Miles
N/A
Maintenance
3 Years / 36,000 Miles
N/A
Roadside Assistance
4 Years / Unlimited Miles
4 Years / 50,000 Miles
BMW i8 Roadster
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Porsche 911 Targa 4
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