Audi A6 vs. Cadillac CT6

Mythos Black Metallic
VS
Dark Adriatic Blue Metallic

Key Specs

Kelley Blue Book Value

Kelley Blue Book Value
$30,463 - $36,216
$38,119 - $41,730

Expert Rating

Expert Rating

Owner Reviews

Owner Reviews
4.82 / 5
17 Reviews
4.67 / 5
3 Reviews

Horsepower

Horsepower
252 - 340 hp
265 hp

Engine Type

Engine Type
3.0 TFSI 6 Cylinder 340 HP
2.0 TFSI 4 Cylinder 252 HP
2.0L Turbo I4 DI DOHC VVT

Interior Features

Sun Roof

Sun Roof
Not Available
Optional

Rain Sensing Wipers

Rain Sensing Wipers
Not Available
Optional

Heated Mirrors

Heated Mirrors
Not Available
Optional

Heated Steering Wheel

Heated Steering Wheel
Optional
Not Available

Power Mirrors

Power Mirrors
Not Available
Optional

Front Leg Room

Front Leg Room
41.3 in.
46.4 in.

Front Head Room

Front Head Room
37.2 in.
40.2 in.

Rear Leg Room

Rear Leg Room
37.4 in.
40.4 in.

Second Head Room

Second Head Room
37.8 in.
38 - 38.06 in.

Trunk Volume

Trunk Volume
14.1 cu. ft.
15.3 cu. ft.

MP3 Player

MP3 Player
Not Available
Optional

Smart Device Integration

Smart Device Integration
Not Available
Optional

AUX Input

AUX Input
Not Available
Optional

Navigation System

Navigation System
Not Available
Optional

Passengers

Passengers
5
5

Power Driver Seat

Power Driver Seat
Not Available
Optional

Power Passenger Seat

Power Passenger Seat
Not Available
Optional

Heated Front Seats

Heated Front Seats
Not Available
Optional

Heated Rear Seats

Heated Rear Seats
Optional
Not Available

Driver Lumbar

Driver Lumbar
Not Available
Optional

Exterior Features

Power Folding Mirror

Power Folding Mirror
Not Available
Optional

Rear Spoiler

Rear Spoiler
Not Available
Optional

Tire Width

Tire Width

Wheelbase

Wheelbase
114.6 in.
122.4 in.

Turning Radius

Turning Radius
39 ft.
ft.

Length

Length
194.2 in.
204.1 in.

Width

Width
73.8 in.
74 in.

Mechanical Specs

Weight

Weight
3858 - 4023 .lbs
3666 .lbs

Horsepower

Horsepower
252 - 340 hp
265 hp

Torque

Torque
273 - 325 ft. lbs.
295 ft. lbs.

Maximum Tongue Weight

Maximum Tongue Weight
Not Available
.lbs

Turbocharged

Turbocharged
Not Available
Optional

Performance Tires

Performance Tires
Optional
Optional

Fuel Capacity

Fuel Capacity
19.8 gal.
19.5 gal.

Combined

Combined
10 - 15 mpg
11 - 15 mpg

City

City
20 mpg
22 mpg

Highway

Highway
29 mpg
30 mpg

Safety Features

Automated Emergency Braking

Automated Emergency Braking
Not Available
Optional

Blind Spot Monitor

Blind Spot Monitor
Not Available
Optional

Lane Keeping Assist

Lane Keeping Assist
Not Available
Optional

Lane Departure Warning

Lane Departure Warning
Not Available
Optional

Cross Traffic Alert

Cross Traffic Alert
Not Available
Optional

Front Side Airbag

Front Side Airbag
Optional
Not Available

Rear Side Airbag

Rear Side Airbag
Optional
Not Available

Tech Specs

Vehicle Name

Vehicle Name
Audi A6
Cadillac CT6

Body Style

Body Style
Sedan - quattro Sedan
Sedan

Drivetrain

Drivetrain
All Wheel Drive - Front Wheel Drive
Rear Wheel Drive

EPA Classification

EPA Classification
Mid-Size Cars
Large Cars

Passenger Capacity

Passenger Capacity
5
5

Passenger Volume

Passenger Volume
97.2 ft³.
106 ft³.

Base Curb Weight

Base Curb Weight
3858 - 4023 lbs.
3666 lbs.

Fuel Economy Est-Combined

Fuel Economy Est-Combined
23 - 28 mpg.
25 mpg.

EPA Fuel Economy Est - City

EPA Fuel Economy Est - City
20 - 25 mpg.
22 mpg.

EPA Fuel Economy Est - Hwy

EPA Fuel Economy Est - Hwy
29 - 34 mpg.
30 mpg.

Engine Type

Engine Type
Intercooled Supercharger Premium Unleaded V-6 - Intercooled Turbo Premium Unleaded I-4
Turbocharged Gas I4

Displacement

Displacement
2.0 L/121 - 3.0 L/183
2.0L/122

Fuel System

Fuel System
Gasoline Direct Injection
Direct Injection

Trans Type

Trans Type
7 - 8
8

Trans Description Cont.

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

First Gear Ratio (:1)

First Gear Ratio (:1)
3.19 - 4.71
Not Available

Second Gear Ratio (:1)

Second Gear Ratio (:1)
2.19 - 3.14
Not Available

Third Gear Ratio (:1)

Third Gear Ratio (:1)
1.52 - 2.11
Not Available

Fourth Gear Ratio (:1)

Fourth Gear Ratio (:1)
1.06 - 1.67
Not Available

Fifth Gear Ratio (:1)

Fifth Gear Ratio (:1)
0.74 - 1.28
Not Available

Sixth Gear Ratio (:1)

Sixth Gear Ratio (:1)
0.51 - 1.00
Not Available

Reverse Ratio (:1)

Reverse Ratio (:1)
2.75 - 3.32
Not Available

Final Drive Axle Ratio (:1)

Final Drive Axle Ratio (:1)
2.85, 3.08, 4.23
3.27

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

Tons/yr of CO2 Emissions @ 15K mi/year
6.3, 6.7, 7.7
7.1

Maximum Alternator Capacity (amps)

Maximum Alternator Capacity (amps)
180
Not Available

Suspension Type - Front

Suspension Type - Front
Multi-Link
Independent

Suspension Type - Rear

Suspension Type - Rear
Multi-Link
Independent

Suspension Type - Front (Cont.)

Suspension Type - Front (Cont.)
Multi-Link
Not Available

Suspension Type - Rear (Cont.)

Suspension Type - Rear (Cont.)
Multi-Link
Not Available

Front Tire Size

Front Tire Size
P245/45HR18, P255/35YR20, P255/40HR19, P255/40R19
P235/50R18 - P245/45R19

Rear Tire Size

Rear Tire Size
P245/45HR18, P255/35YR20, P255/40HR19, P255/40R19
P235/50R18 - P245/45R19

Spare Tire Size

Spare Tire Size
Compact
T135/70R18

Front Wheel Size

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

Rear Wheel Size

Rear Wheel Size
18 X 8 - 20 X 8.5 in.
18 x 8 - 19 x 8.5 in.

Spare Wheel Size

Spare Wheel Size
Compact in.
18 in.

Front Wheel Material

Front Wheel Material
Aluminum
Aluminum

Rear Wheel Material

Rear Wheel Material
Aluminum
Aluminum

Spare Wheel Material

Spare Wheel Material
Steel
Not Available

Steering Type

Steering Type
Rack-Pinion
Electric Rack & Pinion

Turning Diameter - Curb to Curb

Turning Diameter - Curb to Curb
39 ft.
Not Available

Brake Type

Brake Type
4-Wheel Disc
Pwr

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
13.6 in.
Not Available

Rear Brake Rotor Diam x Thickness

Rear Brake Rotor Diam x Thickness
13 in.
Not Available

Fuel Tank Capacity, Approx

Fuel Tank Capacity, Approx
19.8 gal.
19.5 gal.

Front Head Room

Front Head Room
37.2 in.
40.2 in.

Front Leg Room

Front Leg Room
41.3 in.
46.4 in.

Front Shoulder Room

Front Shoulder Room
57.5 in.
58.3 in.

Second Head Room

Second Head Room
37.8 in.
38.0 - 38.06 in.

Second Leg Room

Second Leg Room
37.4 in.
40.4 in.

Second Shoulder Room

Second Shoulder Room
56.3 in.
56.2 in.

Wheelbase

Wheelbase
114.6 in.
122.4 in.

Length, Overall

Length, Overall
194.2 in.
204.1 in.

Width, Max w/o mirrors

Width, Max w/o mirrors
73.8 in.
74.0 in.

Height, Overall

Height, Overall
57.8 in.
58.0 in.

Track Width, Front

Track Width, Front
64.1 in.
63.4 in.

Track Width, Rear

Track Width, Rear
63.7 in.
64.0 in.

Trunk Volume

Trunk Volume
14.1 ft³.
15.3 ft³.

Seventh Gear Ratio (:1)

Seventh Gear Ratio (:1)
0.39 - 0.84
Not Available

Eighth Gear Ratio (:1)

Eighth Gear Ratio (:1)
0.67
Not Available

Model Group

Model Group
A6
CT6

Vehicle Segment

Vehicle Segment
Luxury High
Luxury High

Vehicle Type

Vehicle Type
Sedan
Sedan

Engine Displacement Units

Engine Displacement Units
2.0 - 3.0
2.0

Engine Camshaft

Engine Camshaft
DOHC
DOHC

Engine Block Type

Engine Block Type
aluminum - iron
aluminum

Engine Cylinder Count

Engine Cylinder Count
4 - 6
4

Engine Valve Count

Engine Valve Count
4
4