Comparison - BMW 6 Series Gran Coupe 640i xDrive 2018 - vs - Audi S6 Prestige quattro 2018

General

Other Names:

Also called:

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Also called:

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2018 BMW 6 Series Gran Turismo | CarGurus Test Drive Review
BMW 6 Series GT | First Drive | Autocar India
ALL NEW 2018 BMW 6 Series FULL REVIEW
BMW 6 Series GT FULL REVIEW 6er Gran Turismo test 2018 - Autogefühl
BMW 6 Series GT FULL REVIEW 6er Gran Turismo test 2018 - Autogefühl
2018 BMW 6 Series Gran Turismo | CarGurus Test Drive Review
BMW 6 Series GT | First Drive | Autocar India
ALL NEW 2018 BMW 6 Series FULL REVIEW
My 2018 Audi S6 V8 Twin Turbo - EVERY OPTION
2017 Audi S6: Start Up, Exhaust, Walkaround and Review
all-new Audi S6 FULL REVIEW 2020 - Autogefühl
2017 Audi S6: Start Up, Exhaust, Walkaround and Review
My 2018 Audi S6 V8 Twin Turbo - EVERY OPTION
Make: 
Average Price: 
84,400
Updated: 
07 Jun 2018
74,400
Updated: 
07 Jun 2018
Car Type: 
Car
Car
Drive Type: 
All Wheel Drive
All Wheel Drive
Year: 
2018
2018
Total Seating: 
5
5
Transmission: 
8-speed Shiftable Automatic
7-speed dual-clutch
Bluetooth: 
yes
yes
Heated seats: 
yes
yes
Navigation: 
yes
yes
Doors: 
5
5
Fuel Tank Capacity: 
18.50gals
19.80gals

Expert Reviews

Expert reviews: 

It may be difficult to put a label on the 2018 BMW 6 Series Gran Coupe, but there's no question about the level of performance and luxury it brings to the table.The 640i is powered by a turbocharged 3.0-liter inline-six (315 horsepower and 330 pound-feet of torque) matched to an eight-speed automatic transmission with steering wheel-mounted shift paddles.

PROS
Modern interior is trimmed with excellent materials
Distinctive styling for a sedan of this size
Smooth, effortless power from either engine
Lots of standard features

CONS
Backseat is more cramped than in similar coupe-styled sedans
Not as quick as some rivals, regardless of engine
More expensive than most competitors

By: 
edmunds.com

One of the ultimate grand-tourers, the BMW 6-Series stands ready to eat up miles, buyers' budgets, and premium unleaded.

Pros
Stunning Gran Coupe
Luxo-barge-lite
Huge range of options
Fantastic powertrains
Even the 640i feels special...

Cons
... as it should for $80,000-plus
Not really a corner carver
Low roofline compromises head room
Watch the price skyrocket

By: 
thecarconnection.com

The 2018 BMW 6-Series ranked #5 in Luxury Large Cars. Currently the BMW 6-Series has a score of 8.3 out of 10 which is based on our evaluation of 45 pieces of research and data elements using various sources.

Pros
Several powerful engine choices
User-friendly infotainment system

Cons
Undersized rear seats

By: 
usnews.com

The 2018 Audi S6 stands with an impressive hand: quality interior, great performance, functional shape. It's possible to find better examples from other cars, but they all cost significantly more.

Pros
Underrated V-8
Well-appointed interior
Sharp 7-speed dual-clutch automatic
Nimble attitude

Cons
Overshadowed by S7
Steering is too light, too quick?
Exterior is too conservative
More than two tons, and feels it too

By: 
thecarconnection.com

The 2018 Audi S6 is a car that pampers as well as it performs. On the inside, this midsize luxury sport sedan boasts a richly trimmed cabin fitted with front seats that can keep you perfectly comfortable for hours at a time. Or hit the gas and the S6's 450-horsepower turbocharged V8 will rocket this Audi to 60 mph in just 4 seconds flat.

PROS
Turbocharged V8 provides plenty of smooth, easily accessible power
Roomy interior is finished in top-shelf materials

CONS
Doesn't handle as well as some rival sport sedans

By: 
edmunds.com

Pros
Strong acceleration
Well-appointed interior
Generous list of standard features

Cons
Sluggish steering
Not very engaging to drive
Trunk space is on the small side

By: 
motortrend.com

Fuel

Fuel Type: 
Premium Unleaded
Premium Unleaded
Fuel Economy City USA: 
19.00mpg
16.00mpg
Fuel Economy HWY: 
28.00mpg
24.00mpg
Engine type: 
Petrol/Gas
Petrol/Gas

Engine and Performance

Valves: 
24
32
Cylinders: 
6
Inline
8
V
Engine Size/Displacement: 
3.00L
4.00L
Torque: 
330ft-lbs
at 1 300rpm
Horsepower: 
315hp
at 5 800rpm
Cam Type: 
Double overhead cam (DOHC)
Double overhead cam (DOHC)
Turning Circle: 
39.20Feet

Convenience

Cruise Control: 
yes
yes
Door Pockets: 
yes
yes
Cupholders: 
yes
yes
Overhead console: 
yes
yes
Seatback Storage: 
yes
yes
Power Steering: 
yes
yes
Parking sensors: 
yes
yes
Steering Wheel Tilt: 
yes
yes
Telescopic steering wheel: 
yes
yes
Rear View Camera: 
yes
yes
Front view Camera: 
no
yes
Side view Camera: 
no
yes
On steering wheel: 
Transmission, Cruise And Audio Controls On Steering Wheel
Transmission Controls
More in Convenience: 
Universal Remote Transmitter (For Garage Door, Security System, Etc.)
Extended Cabin Heating
Leather Steering Wheel
Keyless Ignition
Keyless Ignition
Leather Steering Wheel
Universal Remote Transmitter (For Garage Door, Security System, Etc.)

Exterior Dimensions

Length: 
197.10in
194.40in
Width: 
74.60in
73.80in
Height: 
54.80in
56.80in
Ground Clearance: 
5.00in
Wheel Base: 
116.90in
114.80in

Interior Dimensions

Front Head Room: 
40.60
37.20
Rear Head Room: 
37.00
37.80
Front Leg Room: 
42.10in
41.30in
Rear leg room: 
35.30in
37.40in
Front Shoulder Room: 
56.70in
57.50in
Rear Shoulder room: 
54.60in
56.30in

Weights and capacites

Cargo Capacity: 
13.00cu.ft
Cargo Capacity with Seats in Place: 
13.00cu.ft
14.10cu.ft
Curb Weight: 
4330.00lbs
4486.00lbs

Instruments

External Temperature Display: 
yes
yes
Clock: 
yes
yes
Trip computer: 
yes
yes
Techometer: 
yes
yes
Compass: 
yes
yes

Power Features

Power windows: 
yes
yes
Remote Keyless doors: 
yes
yes
More Power Features: 
Reverse Tilt Passenger Mirror Provides Curb View When Vehicle In Reverse
4 One-Touch Power Windows
Heated Mirrors
Hands-Free Entry
Heated Mirrors
Hands-Free Entry
4 One-Touch Power Windows

Seats

Rear Seat Collapsible: 
no
no
Front Seats Features: 
Bucket Front Seats
Height Adjustable Passenger Seat
Multi-Level Heating Driver Seat
Leather
Height Adjustable Driver Seat
Multi-Level Heating Passenger Seat
Driver Seat With Power Adjustable Lumbar Support
Passenger Seat With Power Adjustable Lumbar Support
6 -Way Power Driver Seat
6 -Way Power Passenger Seat
Height Adjustable Passenger Seat
Premium Leather
Sport Front Seats
Multi-Level Heating Driver Seat
Height Adjustable Driver Seat
Multi-Level Heating Passenger Seat
Driver Seat With Power Adjustable Lumbar Support
8 -Way Power Driver Seat
8 -Way Power Passenger Seat
Passenger Seat With Power Adjustable Lumbar Support yes
Rear Seats Features: 
Folding center armrest
Split-Folding Rear Seatback
Rear Ventilation Ducts
Folding With Pass-Thru Center Armrest
Rear Ventilation Ducts With Fan Control
Split-Folding Rear Seatback

Suspension

Front Suspension: 
Front Stabilizer Bar
Front Stabilizer Bar
Rear Suspension: 
Rear Stabilizer Bar
Rear Stabilizer Bar
Suspension Info: 
Four-Wheel Independent Suspension
Four-Wheel Independent Suspension

Comfort

Interior air Filtration: 
yes
yes
Climate Control: 
yes
yes
More Comfort Features: 
Electrochromatic Inside Rearview Mirror
Dual Illuminating Vanity Mirrors
Turn Signal In Mirrors
Four Zone Climate Control
Turn Signal In Mirrors
Dual Illuminating Vanity Mirrors
Electrochromatic Inside Rearview Mirror

Entertainment

DVD player: 
no
no
AM/FM Radio: 
yes
yes
Satellite radio: 
yes
yes
Video monitor: 
no
no
More Entertainment: 
9 Total Speakers
USB Connection
205 Watts Stereo Output
2 Subwoofer(S)
Auxiliary Audio Input And USB With External Media Control
Speed Sensitive Volume Control
12 Months Of Provided Satellite Radio Service
Bose Premium Brand Speakers
1 Subwoofer(S)
Surround Audio Surround Audio (Discrete)
3 Months Of Provided Satellite Radio Service
Memory Card Slot
Speed Sensitive Volume Control
630 Watts Stereo Output
14 Total Speakers
Auxiliary Audio Input And USB With External Media Control
USB Connection
Radio Data System
Satellite Radio W/Real Time Traffic Satellite Radio

Exterior Features

Sunroof: 
no
yes
Rear defogger: 
yes
yes
Alloy Wheels: 
yes
yes
Wheel size: 
18 X 8.0 In
20 X 8.5
Wheels more: 
Run Flat Tires
Temporary Spare Tire
Inside Mounted Spare Tire
Performance Tires
Wheel Dimensions: 
Width: 
245.00millimeters
Aspect Ratio: 
45
Diameter: 
R18
Width: 
255.00millimeters
Aspect Ratio: 
35
Diameter: 
R20

Safety Features

ABS: 
yes
yes
Front head airbags: 
yes
yes
Rear head airbags: 
yes
yes
Dual front side-mounted airbags: 
yes
yes
Emergency braking assist: 
yes
yes
Traction control: 
yes
yes
Child seat anchors: 
yes
yes
Front brakes: 
Ventilated front disc brakes
Ventilated Disc Brakes
Stability control: 
yes
yes
Rear brakes: 
Rear ventilated disc brakes
Ventilated Disc Brakes
Rear door child safety locks: 
yes
yes
Daytime running lights: 
yes
yes
Engine immobilizer: 
yes
yes
Front fog lights: 
yes
no
Dusk sensing headlamps: 
yes
yes
Auto delay off headlamps: 
yes
no
Front headrests: 
yes
yes
Rear headrests: 
yes
yes
Tire pressure monitoring: 
yes
yes
More Safety Features: 
Dusk Sensing Headlamps
LED Headlamp
Rear Center 3-Point Belt
Post-Collision Safety System
Rear Integrated Headrests
Self-Leveling Headlights
Pre-Collision Safety System
Remote Anti-Theft Alarm System
Passenger Airbag Occupant Sensing Deactivation
Cornering Lights
Turn Signal Mirrors
Post-Collision Safety System
Blind Spot Warning Accident Avoidance System
Pre-Collision Safety System
Rear Center 3-Point Belt
Passenger Airbag Occupant Sensing Deactivation
LED Headlamp
Rear Height Adjustable Headrests
Remote Anti-Theft Alarm System

Options

Packages: 
Driver Assistance Plus
Driver Assistance Package
Executive Package
Black Accent Package
M Sport Package
Parking Assistance Package
Cold Weather Package
M Sport Edition
BMW Individual Composition
Comfort Seating Package
Driver Assistance Package
Prestige
Cold Weather Package
S Sport Package
Exterior Options: 
19" Light Alloy Double-Spoke Wheels W/Performance Run-Flat Tires
19" Light Alloy Double-Spoke Wheels W/All-Season Run-Flat Tires
20" M Double-Spoke Light Alloy Wheels W/Performance Run-Flat Tires
9" V-Spoke Wheels W/All-Season Tires
20" Multi-Spoke Light Alloy Wheels W/Mixed Run-Flat Tires
20" BMW Individual Forged Light Alloy Wheels W/Mixed Tires
Audi Guard Wheel Lock Kit
20" Black Optic Package
Audi TravelSpace Base Carrier Bars
Delete Front License Plate Holder
Interior Options: 
Active Front Seats
BMW Individual Wood Inlay Steering Wheel
Bang & Olufsen Sound System
Power Rear Sunshade And Rear Side Window Shades
Alcantara Headliner In Upholstery Color
Apple CarPlay Compatibility
Multi-Contour Seats
Instrument Panel W/Nappa Leather Finish
Ceramic Controls
Audi Beam-Quattro
Audi Cargo Box
Cargo Net
Audi Beam-Rings
Power Rear Window, Manual Rear Side Window Sunshades
USB Cables
Audi Guard Protection Kit
Audi Design Selection - Arras Red
udi Guard All-Weather Floor Mats
Black Alcantara Headliner
Audi Guard Cargo Mat
Leather Care Kit
Leather Care Kit
Bang & Olufsen Advanced Sound System
Night Vision Assistant