The Comparative Analysis :
Cadillac CT6 3.0 V6 AWD AT8 (16 - 18) vs. Mercedes S 450 7G-TRONIC (06 - 09)
€ 73,500

€ 83,700

€ 73,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. Both cars are the same height, but the Cadillac CT6 3.0 V6 is 4.1 inches longer and 0.4 inches wider.
Cadillac CT6 3.0 V6
Mercedes S 450
58
74
81.9
58
73.7
83.5
74 in
Width
73.7 in
81.9 in
Width Incl. Mirrors
83.5 in
58 in
Height
58 in
122.4
204.1
119.5
200
204.1 in
Length
200 in
122.4 in
Wheelbase
119.5 in
Vehicle Weight
Cadillac CT6 3.0 V6
Mercedes S 450
4142 lb
Curb Weight
4277 lb
5401 lb
Gross Vehicle
Weight
Weight
5611 lb

Weight Difference:
134 lb
3.13 %

General
Cadillac CT6 3.0 V6
Mercedes S 450
CT6
Generation
W221
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Cadillac CT6 3.0 V6
Mercedes S 450
V6 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine (naturally aspirated engine)
GM 3.0L Twin Turbo V6
Engine Series
Mercedes-Benz M 273
LGW
Engine Code
M 273.922


4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.7 L / 230 cu in
411 hp
at 5700 rpm
Power
335 hp
at 6000 rpm
Cadillac CT6 3.0 V6
411 hp
335 hp
Mercedes S 450
409 lb‑ft
at 2500 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
Cadillac CT6 3.0 V6
409 lb‑ft
339 lb‑ft
Mercedes S 450
Performance
Cadillac CT6 3.0 V6
Mercedes S 450
149 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
259 ft
0.000 sec

Cadillac CT6 3.0 V6
62 mph
62
mph
mph
269 ft
0.000 sec

Mercedes S 450
▶ REPLAY
10.08 lb/hp
Weight-to-Power Ratio
12.77 lb/hp
Cadillac CT6 3.0 V6
10.08 lb/hp
12.77 lb/hp
Mercedes S 450
Fuel Economy / Emissions
Cadillac CT6 3.0 V6
Mercedes S 450
Fuel Economy
25 mpg
combined
21 mpg
Cadillac CT6 3.0 V6
25 mpg
21 mpg
Mercedes S 450
18 mpg
city
14 mpg
No data
highway
29 mpg
19.3 gal
Fuel Tank Capacity
23.8 gal
472 mi
Range
500 mi
Cadillac CT6 3.0 V6
472 mi
500 mi
Mercedes S 450
Environmental Impact
181.9 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
212.1 kWh
Cadillac CT6 3.0 V6
181.9 kWh
212.1 kWh
Mercedes S 450
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
351 g/mi (NEFZ)
CO2 Emissions
430 g/mi (NEFZ)
Practical Convenience
Cadillac CT6 3.0 V6
Mercedes S 450
4
Doors
4
5
No. of Seats
5
1259 lb
Maximum Payload
1334 lb
12.3 cu ft
Trunk Volume
15.9 cu ft











No data
Cargo Volume (Seats Down)
No data