Audi R8 vs. Porsche Boxster

 Black
VS
 Red

Key Specs

MSRP

Kelley Blue Book
$138,700 - $164,900 (MSRP)
$57,400

Expert Rating

Expert Rating

Owner Reviews

Owner Reviews
4.88 / 5
8 Reviews

Horsepower

Horsepower
532 hp
300 hp

Bluetooth

Bluetooth

BackUp Camera

BackUp Camera

Engine Type

Engine Type
5.2L FSI V10 DOHC
2.0L 4

Interior Features

Alarm

Alarm

BackUp Camera

BackUp Camera

Keyless Entry

Keyless Entry
Optional

Universal Garage Door Opener

Universal Garage Door Opener

Rain Sensing Wipers

Rain Sensing Wipers
Optional

Heated Mirrors

Heated Mirrors

Power Mirrors

Power Mirrors
Optional

Steering Wheel Controls

Steering Wheel Controls

Cruise Control

Cruise Control
Optional

Power Windows

Power Windows

Rear Defrost

Rear Defrost

Premium Sound System

Premium Sound System
Optional

Power Steering

Power Steering
Optional

Front Leg Room

Front Leg Room
40.9 in.
9.7 cu. ft.

Bluetooth

Bluetooth

MP3 Player

MP3 Player

Satellite Radio

Satellite Radio

WiFi Hotspot

WiFi Hotspot
Optional

Smart Device Integration

Smart Device Integration
Optional

AUX Input

AUX Input

CD Player

CD Player

Climate Control

Climate Control
Optional

Navigation System

Navigation System
Optional

Standard Seat

Standard Seat

Passengers

Passengers
2
2

Power Driver Seat

Power Driver Seat
Optional
Optional

Power Passenger Seat

Power Passenger Seat
Optional
Optional

Heated Front Seats

Heated Front Seats
Optional

Driver Lumbar

Driver Lumbar
Optional
Optional

Exterior Features

Standard Wheels

Standard Wheels

Power Folding Mirror

Power Folding Mirror
Optional

Rear Spoiler

Rear Spoiler
Optional

Tire Width

Tire Width
P245/30YR20 - P245/35YR19
P235/35ZR20 - P235/45ZR18

Wheelbase

Wheelbase
104.4 in.
97.4 in.

Turning Radius

Turning Radius
36.7 ft.
36 ft.

Length

Length
174.3 in.
172.4 in.

Width

Width
76.4 in.
70.9 in.

Mechanical Specs

Weight

Weight
3505 - 3737 lbs.
2943 - 3009 lbs.

Horsepower

Horsepower
532 hp
300 hp

Torque

Torque
398 ft. lbs.
280 ft. lbs.

4wheel Disc Brakes

4wheel Disc Brakes

Limited Slip Differential

Limited Slip Differential

Performance Tires

Performance Tires
Optional
Optional

Engine Cylinders

Engine Cylinders
10 Cylinders
Optional

Drivetrain

Drivetrain
4 Cylinder

Fuel Capacity

Fuel Capacity
21.9 gal.
14.3 - 16.9 gal.

Combined

Combined
18 mpg
25 - 26 mpg

City

City
14 mpg
21 - 22 mpg

Highway

Highway
22 - 25 mpg
28 - 29 mpg

Manual Mode

Manual Mode
Optional

Safety Features

Spare Tire

Spare Tire

ABS Brakes

ABS Brakes

Automatic Headlights

Automatic Headlights

Tire Pressure Monitor System

Tire Pressure Monitor System

Stability Control

Stability Control

Traction Control

Traction Control

Rear Parking Sensors

Rear Parking Sensors
Optional

Automated Emergency Braking

Automated Emergency Braking

Driver Airbag

Driver Airbag

Passenger Airbag

Passenger Airbag

Front Side Airbag

Front Side Airbag

Front Head Airbag

Front Head Airbag

Passenger Airbag Sensor

Passenger Airbag Sensor

Knee Airbag

Knee Airbag

Tech Specs

Vehicle Name

Vehicle Name
Audi R8 Coupe
Porsche 718 Boxster

Body Style

Body Style
Coupe - quattro Coupe
Convertible

Drivetrain

Drivetrain
All Wheel Drive - Rear Wheel Drive
Rear Wheel Drive

EPA Classification

EPA Classification
Two-Seaters
Two-Seaters

Passenger Capacity

Passenger Capacity
2
2

Base Curb Weight

Base Curb Weight
3505 - 3737 lbs.
2943 - 3009 lbs.

Fuel Economy Est-Combined

Fuel Economy Est-Combined
17 - 18 mpg.
24 - 25 mpg.

EPA Fuel Economy Est - City

EPA Fuel Economy Est - City
14 mpg.
21 - 22 mpg.

EPA Fuel Economy Est - Hwy

EPA Fuel Economy Est - Hwy
22 - 25 mpg.
28 - 29 mpg.

Engine Type

Engine Type
Premium Unleaded V-10
_PC18_

Displacement

Displacement
5.2 L/318
Intercooled Turbo Premium Unleaded H-4

Fuel System

Fuel System
Port/Direct Injection
2.0 L/121

Trans Type

Trans Type
7
Gasoline Direct Injection

Trans Description Cont.

Trans Description Cont.
Auto-Shift Manual w/OD
250, 480, _PDK01

First Gear Ratio (:1)

First Gear Ratio (:1)
3.13
6 - 7

Second Gear Ratio (:1)

Second Gear Ratio (:1)
2.59
Auto-Shift Manual w/OD - Manual w/OD

Third Gear Ratio (:1)

Third Gear Ratio (:1)
1.88
3.31 - 3.91

Fourth Gear Ratio (:1)

Fourth Gear Ratio (:1)
1.14
1.95 - 2.29

Fifth Gear Ratio (:1)

Fifth Gear Ratio (:1)
0.90
1.41 - 1.65

Sixth Gear Ratio (:1)

Sixth Gear Ratio (:1)
0.88
1.13 - 1.30

Reverse Ratio (:1)

Reverse Ratio (:1)
2.65
0.95 - 1.08

Final Drive Axle Ratio (:1)

Final Drive Axle Ratio (:1)
3.59
0.81 - 0.88

Cold Cranking Amps @ 0° F (Primary)

Cold Cranking Amps @ 0° F (Primary)
420
3.00 - 3.55

Tons/yr of CO2 Emissions @ 15K mi/year

Tons/yr of CO2 Emissions @ 15K mi/year
9.8 - 10.4
3.89

Maximum Alternator Capacity (amps)

Maximum Alternator Capacity (amps)
210
7.0 - 7.3

Suspension Type - Front

Suspension Type - Front
Double Wishbone
Strut

Suspension Type - Rear

Suspension Type - Rear
Double Wishbone
Strut

Suspension Type - Front (Cont.)

Suspension Type - Front (Cont.)
Double Wishbone
Strut

Suspension Type - Rear (Cont.)

Suspension Type - Rear (Cont.)
Double Wishbone
Strut

Front Tire Size

Front Tire Size
P245/30YR20 - P245/35YR19
P235/35ZR20, P235/40ZR19, P235/45ZR18

Rear Tire Size

Rear Tire Size
P295/35YR19 - P305/30YR20
P265/35ZR20, P265/40ZR19, P265/45ZR18

Front Wheel Size

Front Wheel Size
19 X 8.5 - 20 X 8.5 in.
18 X 8 - 20 X 8.5 in.

Rear Wheel Size

Rear Wheel Size
19 X 11 - 20 X 11 in.
18 X 9.5 - 20 X 10.5 in.

Front Wheel Material

Front Wheel Material
Forged Aluminum
Aluminum - Forged Aluminum

Rear Wheel Material

Rear Wheel Material
Forged Aluminum
Aluminum - Forged Aluminum

Steering Type

Steering Type
Rack-Pinion
Rack-Pinion

Turning Diameter - Curb to Curb

Turning Diameter - Curb to Curb
36.7 ft.
36 ft.

Brake Type

Brake Type
4-Wheel Disc
4-Wheel Disc

Brake ABS System

Brake ABS System
4-Wheel
4-Wheel

Disc - Front

Disc - Front
Yes
Yes

Disc - Rear

Disc - Rear
Yes
Yes

Front Brake Rotor Diam x Thickness

Front Brake Rotor Diam x Thickness
14.4 - 15 in.
13 - 13.8 in.

Rear Brake Rotor Diam x Thickness

Rear Brake Rotor Diam x Thickness
14 in.
11.8 - 13.8 in.

Fuel Tank Capacity, Approx

Fuel Tank Capacity, Approx
21.9 gal.
14.3 - 16.9 gal.

Front Head Room

Front Head Room
38.5 in.
97.4 in.

Front Leg Room

Front Leg Room
40.9 in.
172.4 in.

Front Shoulder Room

Front Shoulder Room
55.1 in.
70.9 in.

Wheelbase

Wheelbase
104.4 in.
50.6 - 50.9 in.

Length, Overall

Length, Overall
174.3 in.
59.6 in.

Width, Max w/o mirrors

Width, Max w/o mirrors
76.4 in.
60.3 in.

Height, Overall

Height, Overall
48.8 in.
3.9 - 4.3 in.

Track Width, Front

Track Width, Front
64.5 in.
9.7 ft³.

Track Width, Rear

Track Width, Rear
63 in.
0.62

Seventh Gear Ratio (:1)

Seventh Gear Ratio (:1)
0.65
Boxster

Model Group

Model Group
R8
Luxury Sport

Vehicle Segment

Vehicle Segment
Luxury Sport
Convertible

Vehicle Type

Vehicle Type
Coupe
2.0

Engine Displacement Units

Engine Displacement Units
5.2
DOHC

Engine Camshaft

Engine Camshaft
DOHC
aluminum

Engine Block Type

Engine Block Type
aluminum
4

Engine Cylinder Count

Engine Cylinder Count
10
4