The Comparative Analysis :
Jaguar XJ 30d Automatic (18 - 19) vs. Mercedes S 400 d long 4MATIC 9G-TRONIC (17 - ..)
€ 84,600

€ 97,400

€ 84,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 97,400
ⓘ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 width, but the Jaguar XJ 30d is 4.9 inches shorter and 1.8 inches lower.
Jaguar XJ 30d
Mercedes S 400 d long
57
74.8
82.9
58.8
74.8
83.9
74.8 in
Width
74.8 in
82.9 in
Width Incl. Mirrors
83.9 in
57 in
Height
58.8 in
119.4
202
124.6
206.9
202 in
Length
206.9 in
119.4 in
Wheelbase
124.6 in
Vehicle Weight
Jaguar XJ 30d
Mercedes S 400 d long
4356 lb
Curb Weight
4575 lb
5291 lb
Gross Vehicle
Weight
Weight
6173 lb

Weight Difference:
218 lb
4.77 %

General
Jaguar XJ 30d
Mercedes S 400 d long
X351
Generation
W222/X222
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel

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

8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
Jaguar XJ 30d
Mercedes S 400 d long
V6 diesel engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 656
Engine Code
OM 656.929

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
2.9 L / 142 cu in
296 hp
at 4000 rpm
Power
335 hp
at 3600 rpm
Jaguar XJ 30d
296 hp
335 hp
Mercedes S 400 d long
516 lb‑ft
at 1500 rpm
Max. Torque
516 lb‑ft
at 1200 rpm
Jaguar XJ 30d
516 lb‑ft
516 lb‑ft
Mercedes S 400 d long
Performance
Jaguar XJ 30d
Mercedes S 400 d long
155 mph
Maximum Speed
155 mph
6.2 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
282 ft
0.000 sec

Jaguar XJ 30d
62 mph
62
mph
mph
236 ft
0.000 sec

Mercedes S 400 d long
▶ REPLAY
14.72 lb/hp
Weight-to-Power Ratio
13.66 lb/hp
Jaguar XJ 30d
14.72 lb/hp
13.66 lb/hp
Mercedes S 400 d long
Fuel Economy / Emissions
Jaguar XJ 30d
Mercedes S 400 d long
Fuel Economy
34 mpg
combined
42 mpg
Jaguar XJ 30d
34 mpg
42 mpg
Mercedes S 400 d long
26 mpg
city
35 mpg
41 mpg
highway
49 mpg
20.3 gal
Fuel Tank Capacity
18.5 gal
684 mi
Range
777 mi
Jaguar XJ 30d
684 mi
777 mi
Mercedes S 400 d long
Environmental Impact
144 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).
115.2 kWh
Jaguar XJ 30d
144 kWh
115.2 kWh
Mercedes S 400 d long
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 6
296 g/mi (NEFZ)
CO2 Emissions
237 g/mi (NEFZ)
Practical Convenience
Jaguar XJ 30d
Mercedes S 400 d long
4
Doors
4
5
No. of Seats
5
935 lb
Maximum Payload
1598 lb
13.5 cu ft
Trunk Volume
14.4 cu ft









No data
Cargo Volume (Seats Down)
No data