The Comparative Analysis :
Jaguar XJ 5.0 V8 Compressor Automatic (12 - 13) vs. Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
€ 136,100

€ 98,900

€ 136,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,900
ⓘ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 Jaguar XJ 5.0 V8 Compressor is 3.3 inches shorter, 1.1 inches wider and an inch lower than the Mercedes S 420 CDI long.
Jaguar XJ 5.0 V8 Compressor
Mercedes S 420 CDI long
57
74.8
82.9
58
73.7
83.5
74.8 in
Width
73.7 in
82.9 in
Width Incl. Mirrors
83.5 in
57 in
Height
58 in
119.4
201.9
124.6
205.1
201.9 in
Length
205.1 in
119.4 in
Wheelbase
124.6 in
Vehicle Weight
Jaguar XJ 5.0 V8 Compressor
Mercedes S 420 CDI long
4123 lb
Curb Weight
4718 lb
5181 lb
Gross Vehicle
Weight
Weight
5864 lb

Weight Difference:
595 lb
12.61 %

General
Jaguar XJ 5.0 V8 Compressor
Mercedes S 420 CDI long
X351
Generation
W221
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Jaguar XJ 5.0 V8 Compressor
Mercedes S 420 CDI long
V8 gasoline engine with compressor
Engine Type
V8 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 629
Engine Code
OM 629.911

4
Valves
4
8
Cylinders
8
5 L / 245 cu in
Displacement
4 L / 196 cu in
503 hp
at 6000 rpm
Power
316 hp
at 3600 rpm
Jaguar XJ 5.0 V8 Compressor
503 hp
316 hp
Mercedes S 420 CDI long
461 lb‑ft
at 2500 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
Jaguar XJ 5.0 V8 Compressor
461 lb‑ft
538 lb‑ft
Mercedes S 420 CDI long
Performance
Jaguar XJ 5.0 V8 Compressor
Mercedes S 420 CDI long
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
223 ft
0.000 sec

Jaguar XJ 5.0 V8 Compressor
62 mph
62
mph
mph
272 ft
0.000 sec

Mercedes S 420 CDI long
▶ REPLAY
8.2 lb/hp
Weight-to-Power Ratio
14.93 lb/hp
Jaguar XJ 5.0 V8 Compressor
8.2 lb/hp
14.93 lb/hp
Mercedes S 420 CDI long
Fuel Economy / Emissions
Jaguar XJ 5.0 V8 Compressor
Mercedes S 420 CDI long
Fuel Economy
21 mpg
combined
25 mpg
Jaguar XJ 5.0 V8 Compressor
21 mpg
25 mpg
Mercedes S 420 CDI long
14 mpg
city
18 mpg
30 mpg
highway
33 mpg
21.7 gal
Fuel Tank Capacity
23.8 gal
451 mi
Range
595 mi
Jaguar XJ 5.0 V8 Compressor
451 mi
595 mi
Mercedes S 420 CDI long
Environmental Impact
214 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).
193.4 kWh
Jaguar XJ 5.0 V8 Compressor
214 kWh
193.4 kWh
Mercedes S 420 CDI long
Euro 5
Emission Standard
Euro 4 III
431 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)
Practical Convenience
Jaguar XJ 5.0 V8 Compressor
Mercedes S 420 CDI long
4
Doors
4
5
No. of Seats
5
1058 lb
Maximum Payload
1146 lb
14.7 cu ft
Trunk Volume
15.9 cu ft











No data
Cargo Volume (Seats Down)
No data