BMW M5 vs. Porsche Boxster

 2018 BMW M5 4dr All-wheel Drive Sedan Base 1300-OEM Exterior 3/4 Front Left-Facing Primary
VS
 Red

Key Specs

Kelley Blue Book Value

Kelley Blue Book
$102,600
$57,400

Expert Rating

Expert Rating

Owner Reviews

Owner Reviews

Horsepower

Horsepower
600 hp
300 hp

Bluetooth

Bluetooth

BackUp Camera

BackUp Camera
Optional

Engine Type

Engine Type
4.4L TwinPower Turbo V8
2.0L 4

Interior Features

Sun Roof

Sun Roof
Optional

Alarm

Alarm

BackUp Camera

BackUp Camera
Optional
Optional

HeadsUp Display

HeadsUp Display

Keyless Entry

Keyless Entry
Optional

Universal Garage Door Opener

Universal Garage Door Opener

Rain Sensing Wipers

Rain Sensing Wipers
Optional

Heated Mirrors

Heated Mirrors

Heated Steering Wheel

Heated Steering Wheel
Optional

Power Mirrors

Power Mirrors

Steering Wheel Controls

Steering Wheel Controls

Cruise Control

Cruise Control

Power Windows

Power Windows
Optional

Rear Defrost

Rear Defrost
Optional

Premium Sound System

Premium Sound System
Optional

Front Leg Room

Front Leg Room
41.4 in.
9.7 cu. ft.

Bluetooth

Bluetooth

MP3 Player

MP3 Player

Entertainment System

Entertainment System
Optional

Satellite Radio

Satellite Radio
Optional

WiFi Hotspot

WiFi Hotspot
Optional
Optional

Smart Device Integration

Smart Device Integration
Optional

AUX Input

AUX Input

Climate Control

Climate Control
Optional
Optional

AC

AC
Optional
Optional

Navigation System

Navigation System
Optional

Standard Seat

Standard Seat

Passengers

Passengers
5
2

Power Driver Seat

Power Driver Seat
Optional

Power Passenger Seat

Power Passenger Seat
Optional

Heated Front Seats

Heated Front Seats
Optional
Optional

Heated Rear Seats

Heated Rear Seats
Optional
Optional

Cooled Front Seats

Cooled Front Seats
Optional
Optional

Seat Memory

Seat Memory
Optional

Exterior Features

Standard Wheels

Standard Wheels

Hands Free Liftgate

Hands Free Liftgate
Optional

Power Folding Mirror

Power Folding Mirror
Optional

Rear Spoiler

Rear Spoiler
Optional

Tire Width

Tire Width
P275/35YR20 - P275/40YR19
P235/35ZR20 - P235/45ZR18

Wheelbase

Wheelbase
117.4 in.
97.4 in.

Turning Radius

Turning Radius
41.3 ft.
36 ft.

Length

Length
195.5 in.
172.4 in.

Width

Width
74.9 in.
70.9 in.

Mechanical Specs

Weight

Weight
4370 lbs.
2943 - 3009 lbs.

Horsepower

Horsepower
600 hp
300 hp

Torque

Torque
553 ft. lbs.
280 ft. lbs.

Turbocharged

Turbocharged

4wheel Disc Brakes

4wheel Disc Brakes

Limited Slip Differential

Limited Slip Differential
Optional

Performance Tires

Performance Tires
Optional
Optional

Engine Cylinders

Engine Cylinders
8 Cylinders
4 Cylinder

Drivetrain

Drivetrain
All Wheel Drive
Rear Wheel Drive

Fuel Capacity

Fuel Capacity
20.1 gal.
14.3 - 16.9 gal.

Combined

Combined
18 mpg
25 - 26 mpg

City

City
15 mpg
21 - 22 mpg

Highway

Highway
21 mpg
28 - 29 mpg

Active Suspension

Active Suspension
Optional

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

Child Safety Locks

Child Safety Locks

Stability Control

Stability Control

Traction Control

Traction Control
Optional

Auto Leveling Headlights

Auto Leveling Headlights
Optional

Rear Parking Sensors

Rear Parking Sensors

Adaptive Cruise Control

Adaptive Cruise Control
Optional
Optional

Automated Emergency Braking

Automated Emergency Braking

Blind Spot Monitor

Blind Spot Monitor
Optional

Driver Airbag

Driver Airbag

Passenger Airbag

Passenger Airbag

Front Side Airbag

Front Side Airbag

Front Head Airbag

Front Head Airbag

Rear Head Airbag

Rear Head Airbag

Passenger Airbag Sensor

Passenger Airbag Sensor

Tech Specs

Vehicle Name

Vehicle Name
BMW M5
Porsche 718 Boxster

Body Style

Body Style
Sedan
Convertible

Drivetrain

Drivetrain
All Wheel Drive
Rear Wheel Drive

EPA Classification

EPA Classification
Mid-Size Cars
Two-Seaters

Passenger Capacity

Passenger Capacity
5
2

Passenger Volume

Passenger Volume
98.8 ft³.
2943 - 3009 lbs.

Base Curb Weight

Base Curb Weight
4370 lbs.
24 - 25 mpg.

Fuel Economy Est-Combined

Fuel Economy Est-Combined
17 mpg.
21 - 22 mpg.

EPA Fuel Economy Est - City

EPA Fuel Economy Est - City
15 mpg.
28 - 29 mpg.

EPA Fuel Economy Est - Hwy

EPA Fuel Economy Est - Hwy
21 mpg.
_PC18_

Engine Type

Engine Type
Twin Turbo Premium Unleaded V-8
Intercooled Turbo Premium Unleaded H-4

Displacement

Displacement
4.4 L/268
2.0 L/121

Fuel System

Fuel System
Gasoline Direct Injection
Gasoline Direct Injection

Trans Order Code

Trans Order Code
2TB
250, 480, _PDK01

Trans Type

Trans Type
8
6 - 7

Trans Description Cont.

Trans Description Cont.
Automatic w/OD
Auto-Shift Manual w/OD - Manual w/OD

First Gear Ratio (:1)

First Gear Ratio (:1)
5.00
3.31 - 3.91

Second Gear Ratio (:1)

Second Gear Ratio (:1)
3.20
1.95 - 2.29

Third Gear Ratio (:1)

Third Gear Ratio (:1)
2.14
1.41 - 1.65

Fourth Gear Ratio (:1)

Fourth Gear Ratio (:1)
1.72
1.13 - 1.30

Fifth Gear Ratio (:1)

Fifth Gear Ratio (:1)
1.31
0.95 - 1.08

Sixth Gear Ratio (:1)

Sixth Gear Ratio (:1)
1.00
0.81 - 0.88

Reverse Ratio (:1)

Reverse Ratio (:1)
4.17
3.00 - 3.55

Final Drive Axle Ratio (:1)

Final Drive Axle Ratio (:1)
3.15
3.89

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

Tons/yr of CO2 Emissions @ 15K mi/year
10.4
7.0 - 7.3

Maximum Alternator Capacity (amps)

Maximum Alternator Capacity (amps)
249
Strut

Suspension Type - Front

Suspension Type - Front
Double Wishbone
Strut

Suspension Type - Rear

Suspension Type - Rear
Multi-Link
Strut

Suspension Type - Front (Cont.)

Suspension Type - Front (Cont.)
Double Wishbone
Strut

Suspension Type - Rear (Cont.)

Suspension Type - Rear (Cont.)
Multi-Link
P235/35ZR20, P235/40ZR19, P235/45ZR18

Front Tire Size

Front Tire Size
P275/35YR20 - P275/40YR19
P265/35ZR20, P265/40ZR19, P265/45ZR18

Rear Tire Size

Rear Tire Size
P285/35YR20 - P285/40YR19
18 X 8 - 20 X 8.5 in.

Front Wheel Size

Front Wheel Size
19 X 9.5 - 20 X 9.5 in.
18 X 9.5 - 20 X 10.5 in.

Rear Wheel Size

Rear Wheel Size
19 X 10.5 - 20 X 10.5 in.
Aluminum - Forged Aluminum

Front Wheel Material

Front Wheel Material
Aluminum
Aluminum - Forged Aluminum

Rear Wheel Material

Rear Wheel Material
Aluminum
Rack-Pinion

Steering Type

Steering Type
Rack-Pinion
36 ft.

Turning Diameter - Curb to Curb

Turning Diameter - Curb to Curb
41.3 ft.
4-Wheel Disc

Brake Type

Brake Type
4-Wheel Disc
4-Wheel

Brake ABS System

Brake ABS System
4-Wheel
Yes

Disc - Front

Disc - Front
Yes
Yes

Disc - Rear

Disc - Rear
Yes
13 - 13.8 in.

Front Brake Rotor Diam x Thickness

Front Brake Rotor Diam x Thickness
15.6 - 15.7 in.
11.8 - 13.8 in.

Rear Brake Rotor Diam x Thickness

Rear Brake Rotor Diam x Thickness
15 in.
14.3 - 16.9 gal.

Fuel Tank Capacity, Approx

Fuel Tank Capacity, Approx
20.1 gal.
97.4 in.

Front Head Room

Front Head Room
38.8 in.
172.4 in.

Front Leg Room

Front Leg Room
41.4 in.
70.9 in.

Front Shoulder Room

Front Shoulder Room
58.7 in.
50.6 - 50.9 in.

Second Head Room

Second Head Room
37.5 in.
59.6 in.

Second Leg Room

Second Leg Room
36.5 in.
60.3 in.

Second Shoulder Room

Second Shoulder Room
55.9 in.
3.9 - 4.3 in.

Wheelbase

Wheelbase
117.4 in.
9.7 ft³.

Length, Overall

Length, Overall
195.5 in.
0.62

Width, Max w/o mirrors

Width, Max w/o mirrors
74.9 in.
Boxster

Height, Overall

Height, Overall
58 in.
Luxury Sport

Track Width, Front

Track Width, Front
64 in.
Convertible

Track Width, Rear

Track Width, Rear
62.8 in.
2.0

Trunk Volume

Trunk Volume
18.7 ft³.
DOHC

Seventh Gear Ratio (:1)

Seventh Gear Ratio (:1)
0.82
aluminum

Eighth Gear Ratio (:1)

Eighth Gear Ratio (:1)
0.64
4

Model Group

Model Group
M5
4