2018 Audi S6 vs. 2020 Cadillac CT6

Image Comparison

Compare images of 2018 Audi S6 and 2020 Cadillac CT6 by choosing the desired model and trim and then selecting the comparison image.

What is the main difference between S6 and CT6?

Two Sedans with some similarities, but otherwise different in most aspects such as the model year, starting price, horsepower, fuel economy, and ground shadow size. First of all, there is a notable difference in the starting price of the 2020 Cadillac CT6, which is $12,905 less than the base MSRP of the 2018 Audi S6, which is two model years older. Also, the 2018 S6 has a more powerful engine than the 2020 CT6, and it gets 1 fewer mile on a gallon of fuel. And finally, the body structure of S6 is slightly smaller than that of the CT6. Among similarities are the body structure, market segment, height, and maximum occupancy.

Specification Comparison

Safety Rating
Safety Rating
    
Trim
Trim
Configuration
Configuration
  • 4.0 L, Turbo, Auto, AWD
  • 3.6 L, Auto, AWD
MSRP
MSRP
$71,900
$58,995
Engine
Engine
4.0L V-8 Twin-Turbo
3.6L/-TBD-
Horsepower
Horsepower
450 hp
335 hp
Drivetrain
Drivetrain
All Wheel Drive
All Wheel Drive
0-60 MPH
0-60 MPH
-
City MPG
City MPG
16 MPG
18 MPG
Highway MPG
Highway MPG
24 MPG
27 MPG
Combined MPG
Combined MPG
18 MPG
21 MPG
Width
Width
82.1 in
Width W/O Mirrors
Width W/O Mirrors
73.8 in
74 in
Length
Length
194.4 in
205.8 in
Height
Height
56.8 in
58 in
Wheelbase
Wheelbase
114.8 in
122.4 in
Ground Shadow
Ground Shadow
99.6 ft2
105.8 ft2
Seats
Seats
5
5
First Row Head Room
First Row Head Room
37.2 in
40.2 in
First Row Leg Room
First Row Leg Room
41.3 in
46.4 in
First Row Leg Shoulder
First Row Leg Shoulder
57.5 in
58.3 in
Second Row Head Room
Second Row Head Room
37.8 in
38 in
Second Row Leg Room
Second Row Leg Room
37.4 in
40.4 in
Second Row Leg Shoulder
Second Row Leg Shoulder
56.3 in
56.2 in

Costs

2018 Audi S6

2020 Cadillac CT6

Annual Fuel Cost
Annual Fuel Cost
$3,850
$2,700 - $4,100
Mininum Monthly Lease
Mininum Monthly Lease
$579 (2018 Audi S6 4.0 TFSI Premium Plus)
$518 (2020 Cadillac CT6 4dr Sdn 3.6L Premium Luxury)
Lease Due
Lease Due
$3,999
$2,999
Cost To Lease
Cost To Lease
$28,693
$24,347 - $25,747
2018 Audi S6 vs. 2020 Cadillac CT6 - Front Left Comparison2018 Audi S6 vs. 2020 Cadillac CT6 - Front Left Comparison
2018 Audi S6 vs. 2020 Cadillac CT6 - Rear Right Comparison2018 Audi S6 vs. 2020 Cadillac CT6 - Rear Right Comparison
2018 Audi S6 vs. 2020 Cadillac CT6 - Dashboard Comparison2018 Audi S6 vs. 2020 Cadillac CT6 - Dashboard Comparison
2018 Audi S6 vs. 2020 Cadillac CT6 - Side Comparison2018 Audi S6 vs. 2020 Cadillac CT6 - Side Comparison
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