The Comparative Analysis :
Mercedes S 450 CDI long 7G-TRONIC (09 - 10) vs. Cadillac CT6 3.0 V6 AWD AT8 (16 - 18)
€ 101,000

€ 73,500

€ 101,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 73,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The Mercedes S 450 CDI long is 1.7 inches longer, 0.4 inches narrower and 0.5 inches taller than the Cadillac CT6 3.0 V6.
Mercedes S 450 CDI long
Cadillac CT6 3.0 V6
58.5
73.7
83.5
58
74
81.9
73.7 in
Width
74 in
83.5 in
Width Incl. Mirrors
81.9 in
58.5 in
Height
58 in
124.6
205.7
122.4
204.1
205.7 in
Length
204.1 in
124.6 in
Wheelbase
122.4 in
Vehicle Weight
Mercedes S 450 CDI long
Cadillac CT6 3.0 V6
4740 lb
Curb Weight
4142 lb
5952 lb
Gross Vehicle
Weight
Weight
5401 lb

Weight Difference:
597 lb
12.6 %

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

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

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450 CDI long
Cadillac CT6 3.0 V6
V8 diesel engine with turbocharger
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
GM 3.0L Twin Turbo V6
OM 629.911
Engine Code
LGW


4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
316 hp
at 3600 rpm
Power
411 hp
at 5700 rpm
Mercedes S 450 CDI long
316 hp
411 hp
Cadillac CT6 3.0 V6
538 lb‑ft
at 2200 rpm
Max. Torque
409 lb‑ft
at 2500 rpm
Mercedes S 450 CDI long
538 lb‑ft
409 lb‑ft
Cadillac CT6 3.0 V6
Performance
Mercedes S 450 CDI long
Cadillac CT6 3.0 V6
155 mph
Maximum Speed
149 mph
6.6 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
302 ft
0.000 sec

Mercedes S 450 CDI long
62 mph
62
mph
mph
259 ft
0.000 sec

Cadillac CT6 3.0 V6
▶ REPLAY
15 lb/hp
Weight-to-Power Ratio
10.08 lb/hp
Mercedes S 450 CDI long
15 lb/hp
10.08 lb/hp
Cadillac CT6 3.0 V6
Fuel Economy / Emissions
Mercedes S 450 CDI long
Cadillac CT6 3.0 V6
Fuel Economy
26 mpg
combined
25 mpg
Mercedes S 450 CDI long
26 mpg
25 mpg
Cadillac CT6 3.0 V6
18 mpg
city
18 mpg
34 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
19.3 gal
615 mi
Range
472 mi
Mercedes S 450 CDI long
615 mi
472 mi
Cadillac CT6 3.0 V6
Environmental Impact
187.2 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).
181.9 kWh
Mercedes S 450 CDI long
187.2 kWh
181.9 kWh
Cadillac CT6 3.0 V6
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
386 g/mi (NEFZ)
CO2 Emissions
351 g/mi (NEFZ)
Practical Convenience
Mercedes S 450 CDI long
Cadillac CT6 3.0 V6
4
Doors
4
5
No. of Seats
5
1213 lb
Maximum Payload
1259 lb
15.9 cu ft
Trunk Volume
12.3 cu ft











No data
Cargo Volume (Seats Down)
No data