The Comparative Analysis :
Mercedes S 400 HYBRID 7G-TRONIC Sport (09 - 13) vs. Audi A8 4.2 TDI quattro tiptronic (13 - 17)
€ 87,300
€ 102,300
€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 102,300
ⓘ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. The Mercedes S 400 HYBRID is 1.5 inches shorter, 3.1 inches narrower and an inch taller than the Audi A8 4.2 TDI.
Mercedes S 400 HYBRID
Audi A8 4.2 TDI
58.5
73.7
83.5
57.5
76.7
83.1
73.7 in
Width
76.7 in
83.5 in
Width Incl. Mirrors
83.1 in
58.5 in
Height
57.5 in
119.5
200.6
117.8
202.2
200.6 in
Length
202.2 in
119.5 in
Wheelbase
117.8 in
Vehicle Weight
Mercedes S 400 HYBRID
Audi A8 4.2 TDI
4310 lb
Curb Weight
4663 lb
5622 lb
Gross Vehicle
Weight
Weight
5964 lb
Weight Difference:
353 lb
7.57 %
General
Mercedes S 400 HYBRID
Audi A8 4.2 TDI
W221
Generation
D4 (4H)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel

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

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 400 HYBRID
Audi A8 4.2 TDI
6-cylinder mild hybrid gasoline engine (naturally aspirated engine)
Engine Type
V8 diesel engine with two turbochargers (biturbo)
Mercedes-Benz M 272
Engine Series
M 272.974
Engine Code
CTEC

4
Valves
4
6
Cylinders
8
3.5 L / 171 cu in
Displacement
4.1 L / 201 cu in
295 hp
at 6000 rpm
Power
380 hp
at 3750 rpm
Mercedes S 400 HYBRID
295 hp
380 hp
Audi A8 4.2 TDI
284 lb‑ft
at 2400 rpm
Max. Torque
627 lb‑ft
at 2000 rpm
Mercedes S 400 HYBRID
284 lb‑ft
627 lb‑ft
Audi A8 4.2 TDI
Performance
Mercedes S 400 HYBRID
Audi A8 4.2 TDI
155 mph
Maximum Speed
155 mph
7.2 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
328 ft
0.000 sec
Mercedes S 400 HYBRID
62 mph
62
mph
mph
213 ft
0.000 sec
Audi A8 4.2 TDI
▶ REPLAY
14.61 lb/hp
Weight-to-Power Ratio
12.27 lb/hp
Mercedes S 400 HYBRID
14.61 lb/hp
12.27 lb/hp
Audi A8 4.2 TDI
Fuel Economy / Emissions
Mercedes S 400 HYBRID
Audi A8 4.2 TDI
Fuel Economy
30 mpg
combined
33 mpg
Mercedes S 400 HYBRID
30 mpg
33 mpg
Audi A8 4.2 TDI
22 mpg
city
25 mpg
37 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
23.8 gal
708 mi
Range
777 mi
Mercedes S 400 HYBRID
708 mi
777 mi
Audi A8 4.2 TDI
Environmental Impact
149.7 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).
148.1 kWh
Mercedes S 400 HYBRID
149.7 kWh
148.1 kWh
Audi A8 4.2 TDI
Euro 5
Emission Standard
Euro 6b (NEFZ)
299 g/mi (NEFZ)
CO2 Emissions
304 g/mi (NEFZ)
Practical Convenience
Mercedes S 400 HYBRID
Audi A8 4.2 TDI
4
Doors
4
5
No. of Seats
5
1312 lb
Maximum Payload
1301 lb
15.9 cu ft
Trunk Volume
13.9 cu ft












No data
Cargo Volume (Seats Down)
No data






















