Car comparison

Mercedes-Benz S-class (W222) S 400vsHyundai Genesis II 3.8 V6 GDI

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Mercedes-Benz S-class (W222)

S 400

306 hp3498 ccGasolineRWDAutomaticNaturally aspiratedSedan2013-2017
VS

Hyundai Genesis II

3.8 V6 GDI

315 hp3778 ccGasolineRWDAutomaticNaturally aspiratedSedan2014-2016

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Mercedes-Benz S-class (W222) S 400

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,850 kg
    4,079 lb
  • Best power-to-weight
    165 hp/t
    123 kW/t
    6.0 kg/hp
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest city consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest highway consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest CO2 emissions
    159 g/km
  • Best estimated range
    1,029 km
    640 mi
  • Largest trunk
    510 L
  • Best economy score
    89/100

Hyundai Genesis II 3.8 V6 GDI

  • Quickest 0-100 km/h
    6.5 s
  • Most powerful
    315 hp
    235 kW
  • Highest torque
    397 Nm
    293 lb-ft
  • Best overall score
    66/100
  • Best performance score
    62/100
  • Best practicality score
    76/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W222)S 400HyundaiGenesis II3.8 V6 GDI
Power
306hp228kW
315hp235kW
Torque
370Nm273lb-ft
397Nm293lb-ft
Curb weight
1,850kg4,079lb
1,920kg4,233lb
Gross weight
2,595kg5,721lb
2,470kg5,445lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Calculated
To 99% top speed
70.7s99% target: 262 km/h / 163 mph
Calculated
64.7s99% target: 252 km/h / 157 mph
Calculated
0-100 km/h
6.8s
6.5s
0-200 km/h
20.8s
Calculated
20.8s
Calculated
0-60 mph
6.5s
Calculated
6.2s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption city
7.4L/100 km31.8mpg US38.2mpg UK
15.7L/100 km15mpg US18.0mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Quarter mile
14.7s
Calculated
14.4s
Calculated
Power-to-weight
165hp/t123kW/t75hp/1000 lb
Calculated
164hp/t122kW/t74hp/1000 lb
Calculated
Torque-to-weight
200Nm/t134lb-ft/ton
Calculated
207Nm/t138lb-ft/ton
Calculated
Estimated range
1,029km640mi
Calculated
688km427mi
Calculated
Displacement
3,498cc213cu in
3,778cc231cu in
Length
5,116mm201in
4,990mm196in
Width
1,899mm75in
1,890mm74in
Height
1,496mm59in
1,480mm58in
Wheelbase
3,035mm119in
3,010mm119in
Front track
1,624mm64in
1,620mm64in
Rear track
1,637mm64in
1,633mm64in
Ground clearance-
130mm5in
Trunk volume
510L
493L
Doors
4
4
Seats
4
5
Fuel tank
70L
77L
CO2 emissions
159g/km
261g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Mercedes-Benz S-class (W222) S 400Hyundai Genesis II 3.8 V6 GDIPowerTorque
  • Mercedes-Benz S-class (W222) S 400: Power / Torque
  • Hyundai Genesis II 3.8 V6 GDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W222)S 4006,500 rpm3,500-5,250 rpm6,750 rpm
HyundaiGenesis II3.8 V6 GDI6,000 rpm5,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W222)S 400HyundaiGenesis II3.8 V6 GDI
Acceleration checkpoints
0-60 mph
0-97 km/h
6.5 s
6.2 s
0-100 km/h
0-62 mph
6.8 s
6.5 s
0-200 km/h
0-124 mph
20.8 s
20.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Likely limited
Drag race simulation
60 ft
18 m
2.7 s
2.6 s
330 ft
101 m
6.7 s
6.6 s
1/8 mile
201 m
9.8 s
9.6 s
1000 ft
305 m
12.5 s
12.3 s
1/4 mile
402 m
14.7 s
14.4 s
Trap speed
1/4 mile
402 m
167 km/h
104 mph
168 km/h
105 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)S 400
306 hp
228 kW
HyundaiGenesis II3.8 V6 GDI
315 hp
235 kW

Hyundai Genesis II 3.8 V6 GDI has 9 hp more than Mercedes-Benz S-class (W222) S 400.

The biggest power difference is between Mercedes-Benz S-class (W222) S 400 and Hyundai Genesis II 3.8 V6 GDI: 9 hp (7 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)S 400
370 Nm
273 lb-ft
HyundaiGenesis II3.8 V6 GDI
397 Nm
293 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)S 400
1,850 kg
4,079 lb
HyundaiGenesis II3.8 V6 GDI
1,920 kg
4,233 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)S 400
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
HyundaiGenesis II3.8 V6 GDI
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)S 4006.8 s
HyundaiGenesis II3.8 V6 GDI6.5 s

The biggest 0-100 km/h difference is between Hyundai Genesis II 3.8 V6 GDI and Mercedes-Benz S-class (W222) S 400: 0.3 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)S 400
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
HyundaiGenesis II3.8 V6 GDI
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W222) S 400 and Hyundai Genesis II 3.8 V6 GDI: 4.4 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)S 400
165 hp/t
123 kW/t
6.0 kg/hp
HyundaiGenesis II3.8 V6 GDI
164 hp/t
122 kW/t
6.1 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Mercedes-BenzS-class (W222)S 400
1,029 km
640 mi
HyundaiGenesis II3.8 V6 GDI
688 km
427 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W222)S 400
306 hp
228 kW
6.8 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
HyundaiGenesis II3.8 V6 GDI
315 hp
235 kW
6.5 s
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Mercedes-BenzS-class (W222)S 400
Power
306 hp
228 kW
0-100 km/h6.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,116 mm
201.4 in
Height
1,496 mm
58.9 in
HyundaiGenesis II3.8 V6 GDI
Power
315 hp
235 kW
0-100 km/h6.5 s
Top speed
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Doors/seats
4 doors
5 seats
Trunk
493 L
17.4 cu ft
Length
4,990 mm
196.5 in
Height
1,480 mm
58.3 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Mercedes-BenzS-class (W222)S 400
Power
306 hp
228 kW
0-100 km/h6.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
HyundaiGenesis II3.8 V6 GDI
Power
315 hp
235 kW
0-100 km/h6.5 s
Top speed
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

Mercedes-Benz S-class (W222) S 400 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Mercedes-BenzS-class (W222)S 400
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.8 s
HyundaiGenesis II3.8 V6 GDI
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
6.5 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Mercedes-BenzS-class (W222)S 400
165 hp/t
123 kW/t
6.0 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
HyundaiGenesis II3.8 V6 GDI
164 hp/t
122 kW/t
6.1 kg/hp
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W222)S 400HyundaiGenesis II3.8 V6 GDI
Power
306 hp
228 kW
315 hp
235 kW
Torque
370 Nm
273 lb-ft
397 Nm
293 lb-ft
Acceleration
6.8 s
6.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
255 km/h158 mph
Restricted
240 km/h149 mph
Lightness
1,850 kg
4,079 lb
1,920 kg
4,233 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Practicality
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,116 mm
201.4 in
Height
1,496 mm
58.9 in
Doors/seats
4 doors
5 seats
Trunk
493 L
17.4 cu ft
Length
4,990 mm
196.5 in
Height
1,480 mm
58.3 in
Range score
1,029 km
640 mi
688 km
427 mi
CO2 score
159 g/km
261 g/km
Trunk score
510 L
18.0 cu ft
493 L
17.4 cu ft
Power-to-weight score
165 hp/t
123 kW/t
6.0 kg/hp
164 hp/t
122 kW/t
6.1 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleMercedes-Benz S-class (W222) S 400Hyundai Genesis II 3.8 V6 GDI
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK11.2 L/100 km21 mpg US25.2 mpg UK
Cost / 100 km11.90 LC100 km19.60 LC100 km
Cost / 100 mi19.15 LC100 mi31.54 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,680 L444 US gal370 UK gal
Annual fuel cost1,785 LC/year2,940 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W222) S 400

  • Is 70 kg lighter
  • Has 10 km/h (6 mph) higher top speed
  • Uses 4.4 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 342 km (212 mi) more estimated range
  • Has 17 L more trunk volume
  • Emits 102 g/km less CO2

Pros

  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Hyundai Genesis II 3.8 V6 GDI

  • Has 9 hp more
  • Has 27 Nm more
  • Is 0.3 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W222) S 400
Hyundai Genesis II 3.8 V6 GDI
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