Compare 2019 Audi A8 vs 2019 BMW 7-Series vs 2019 Cadillac CT6

2019 Audi A8
X
2019 BMW 7-Series
X
2019 Cadillac CT6
X
55 TFSI quattro
Select style
740e xDrive iPerformance Plug-In Hybrid
Style MPG City MPG Hwy Invoice MSRP
7 Series 740e xDrive iPerformance Plug-In Hybrid N/A N/A $85,365 $91,250
7 Series 740i Sedan 21 29 $78,295 $83,650
7 Series 740i xDrive Sedan 20 29 $81,085 $86,650
7 Series 750i Sedan 18 26 $90,665 $96,950
7 Series 750i xDrive Sedan 17 25 $93,455 $99,950
7 Series ALPINA B7 xDrive Sedan 17 25 $130,095 $139,350
7 Series M760i xDrive Sedan 13 20 $146,230 $156,700
Select style
4-Door Sedan 2.0L Turbo Luxury RWD
Style MPG City MPG Hwy Invoice MSRP
CT6 4-Door Sedan 2.0L Turbo Luxury RWD 24 34 $47,970 $50,495
CT6 4-Door Sedan 2.0L Turbo Premium Luxury RWD 24 34 $55,190 $58,095
CT6 4-Door Sedan 3.0L Turbo Platinum AWD 18 26 $82,455 $86,795
CT6 4-Door Sedan 3.0L Turbo Sport AWD 18 26 $63,265 $66,595
CT6 4-Door Sedan 3.6L Luxury AWD 18 27 $52,720 $55,495
CT6 4-Door Sedan 3.6L Premium Luxury AWD 18 27 $59,465 $62,595
CT6 4-Door Sedan 4.2L Turbo Platinum AWD 14 25 $91,005 $95,795
CT6-V 4-Door Sedan 14 25 $87,205 $91,795
Pricing
Invoice Price
$78,772
$85,365
$47,970
Manufacturer Suggested Retail Price
$83,800
$91,250
$50,495
Monthly Payment Estimate
$1397 / month
$1521 / month
$842 / month
The Car Connection's Take
TCC Rating
7.8
7.8
TCC’s Bottom Line
The 2019 Audi A8 plots out the course for next-level self-driving cars, and utilizes other technology to advance its luxury and connectivity. The 2019 BMW 7-Series is a flagship luxury sedan in the way they used to be: leather everywhere, big power, excellent options. The 2019 Cadillac CT6 is smarter and more powerful, but will that put it on more driver's radars?
TCC Likes
TCC Dislikes
Fuel Economy
City
19 mpg 0 mpg 24 mpg
Highway
27 mpg 0 mpg 34 mpg
Vehicle
EPA Classification
Large Cars Large Cars Large Cars
Number of Passenger Doors
- - 4
Interior Dimensions
Front Leg Room (in)
41.5 41.4 46.4
Passenger Capacity
5 5 5
Second Head Room (in)
38.5 38.9 38.0
Second Shoulder Room (in)
57.6 57.7 56.2
Front Head Room (in)
38.3 39.9 40.2
Front Shoulder Room (in)
59.1 59.2 58.3
Second Leg Room (in)
44.3 44.4 40.4
Front Hip Room (in)
- - 55.9
Second Hip Room (in)
- - 53.5
Passenger Volume (ft³)
- - 106
Exterior Dimensions
Track Width, Rear (in)
64.3 64.6 64.0
Wheelbase (in)
123.1 126.4 122.4
Width, Max w/o mirrors (in)
76.6 74.9 74.0
Track Width, Front (in)
64.7 63.4 63.4
Length, Overall (in)
208.7 206.6 205.8
Height, Overall (in)
58.5 58.2 58.0
Liftover Height (in)
- - - TBD -
Min Ground Clearance (in)
- - - TBD -
Cargo Area Dimensions
Trunk Volume (ft³)
12.5 14.8 15.8
Brakes
Rear Brake Rotor Diam x Thickness (in)
13.8 14.5 - TBD -
Brake Type
4-Wheel Disc 4-Wheel Disc Pwr
Rear Drum Diam x Width (in)
NA NA NA
Disc - Front (Yes or )
Yes Yes Yes
Front Brake Rotor Diam x Thickness (in)
14.8 14.7 - TBD -
Drum - Rear (Yes or )
NA NA NA
Brake ABS System
4-Wheel 4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal)
21.7 12.1 19.2
Steering
Turning Diameter - Curb to Curb (ft)
42.2 42.4 - TBD -
Steering Type
Rack-Pinion Rack-Pinion Electric Rack & Pinion
Lock to Lock Turns (Steering)
- - - TBD -
Turning Diameter - Wall to Wall (ft)
- - - TBD -
Steering Ratio (:1), Overall
- - - TBD -
Tires
Spare Tire Order Code
NA NA ZCD
Rear Tire Size
P255/45HR19 P245/50VR18 P235/50R18
Rear Tire Order Code
NA NA R3X
Front Tire Size
P255/45HR19 P245/50VR18 P235/50R18
Spare Tire Size
Compact NA T135/70R18
Front Tire Order Code
NA NA R3X
Weight Information
Base Curb Weight (lbs)
4751 4740 3708
Wheels
Front Wheel Material
Aluminum Aluminum Aluminum
Spare Wheel Material
Aluminum NA Steel
Front Wheel Size (in)
19 X 9 18 X 8 18 x - TBD -
Spare Wheel Size (in)
Compact NA 18 x - TBD -
Rear Wheel Material
Aluminum Aluminum Aluminum
Rear Wheel Size (in)
19 X 9 18 X 8 18 x - TBD -
Engine
SAE Net Torque @ RPM
369 @ 1370 369 258 @ 1500-4000
Engine Order Code
NA NA LSY
Displacement
3.0 L/183 2.0 L/122 2.0L/- TBD -
SAE Net Horsepower @ RPM
335 @ 5000 322 @ 5000 237 @ 5000
Engine Type
Intercooled Turbo Gas/Electric V-6 Intercooled Turbo Gas/Electric I-4 Turbocharged Gas I4
Fuel System
Gasoline Direct Injection Gasoline Direct Injection Direct Injection
Mileage
Fuel Economy Est-Combined (MPG)
22 27 28
EPA Fuel Economy Est - Hwy (MPG)
27 - 34
EPA Fuel Economy Est - City (MPG)
19 - 24
EPA MPG Equivalent - Combined
- 64 -
Battery Range (mi)
- 14 -
Transmission
Drivetrain
All Wheel All Wheel Rear Wheel Drive
Sixth Gear Ratio (:1)
1.00 1.00 - TBD -
First Gear Ratio (:1)
4.71 4.71 - TBD -
Seventh Gear Ratio (:1)
0.84 0.84 - TBD -
Final Drive Axle Ratio (:1)
3.08 3.23 - TBD -
Third Gear Ratio (:1)
2.11 2.11 - TBD -
Trans Type
8 8 10
Fifth Gear Ratio (:1)
1.28 1.28 - TBD -
Trans Description Cont. Again
NA NA NA
Reverse Ratio (:1)
3.32 3.32 - TBD -
Second Gear Ratio (:1)
3.14 3.14 - TBD -
Trans Order Code
NA 2TE MHS
Eighth Gear Ratio (:1)
0.67 0.67 - TBD -
Fourth Gear Ratio (:1)
1.67 1.67 - TBD -
Trans Description Cont.
Automatic w/OD Automatic w/OD Automatic
Tenth Gear Ratio (:1)
- - - TBD -
Clutch Size (in)
- - NA
Ninth Gear Ratio (:1)
- - - TBD -
Summary
Body Style
quattro LWB Sedan Sedan Sedan
Vehicle Name
Audi A8 L BMW 7 Series Cadillac CT6
Suspension
Suspension Type - Rear
Multi-Link Multi-Link Independent
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link NA
Suspension Type - Front
Multi-Link Double Wishbone Independent
Suspension Type - Front (Cont.)
Multi-Link Double Wishbone NA
Shock Absorber Diameter - Rear (mm)
- - - TBD -
Stabilizer Bar Diameter - Rear (in)
- - - TBD -
Shock Absorber Diameter - Front (mm)
- - - TBD -
Stabilizer Bar Diameter - Front (in)
- - - TBD -
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
8.1 - 6.3
Electrical
Maximum Alternator Capacity (amps)
- 250 - TBD -
Cold Cranking Amps @ 0° F (Primary)
- - - TBD -
Trailering
Wt Distributing Hitch - Max Tongue Wt. (lbs)
- - N/A
Dead Weight Hitch - Max Trailer Wt. (lbs)
- - N/A
Wt Distributing Hitch - Max Trailer Wt. (lbs)
- - N/A
Dead Weight Hitch - Max Tongue Wt. (lbs)
- - N/A
Cooling System
Total Cooling System Capacity (qts)
- - - TBD -

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