Car comparison

Infiniti Q70 3.7 V6vsMercedes-Benz S-class (W222) S 400

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

New comparison

Infiniti Q70

3.7 V6

320 hp3696 ccGasolineRWDAutomaticNaturally aspiratedSedan2014-2014
VS

Mercedes-Benz S-class (W222)

S 400

306 hp3498 ccGasolineRWDAutomaticNaturally aspiratedSedan2013-2017

Comparison overview

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

Best choices

Infiniti Q70 3.7 V6

  • Quickest 0-100 km/h
    6.2 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    320 hp
    239 kW
  • Lightest
    1,715 kg
    3,781 lb
  • Best power-to-weight
    187 hp/t
    139 kW/t
    5.4 kg/hp
  • Best overall score
    68/100
  • Best performance score
    64/100
  • Best practicality score
    76/100

Mercedes-Benz S-class (W222) S 400

  • Highest torque
    370 Nm
    273 lb-ft
  • 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
  • Best estimated range
    1,029 km
    640 mi
  • Largest trunk
    510 L
  • Best economy score
    89/100

Specification comparison

Specification comparison
ModelInfinitiQ703.7 V6Mercedes-BenzS-class (W222)S 400
Power
320hp239kW
306hp228kW
Torque
360Nm266lb-ft
370Nm273lb-ft
Curb weight
1,715kg3,781lb
1,850kg4,079lb
Gross weight
2,255kg4,971lb
2,595kg5,721lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
63.2s99% target: 262 km/h / 163 mph
Calculated
70.7s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
6.2s
6.8s
0-200 km/h
18.8s
Calculated
20.8s
Calculated
0-60 mph
5.9s
Calculated
6.5s
Calculated
Fuel consumption
10.2L/100 km23.1mpg US27.7mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
14.9L/100 km15.8mpg US19.0mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption highway
7.4L/100 km31.8mpg US38.2mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
14.1s
Calculated
14.7s
Calculated
Power-to-weight
187hp/t139kW/t85hp/1000 lb
Calculated
165hp/t123kW/t75hp/1000 lb
Calculated
Torque-to-weight
210Nm/t140lb-ft/ton
Calculated
200Nm/t134lb-ft/ton
Calculated
Estimated range
784km487mi
Calculated
1,029km640mi
Calculated
Displacement
3,696cc226cu in
3,498cc213cu in
Length
4,945mm195in
5,116mm201in
Width
1,845mm73in
1,899mm75in
Height
1,500mm59in
1,496mm59in
Wheelbase
2,900mm114in
3,035mm119in
Front track
1,575mm62in
1,624mm64in
Rear track
1,570mm62in
1,637mm64in
Trunk volume
500L
510L
Doors
4
4
Seats
5
4
Fuel tank
80L
70L
CO2 emissions-
159g/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.

Infiniti Q70 3.7 V6Mercedes-Benz S-class (W222) S 400PowerTorque
  • Infiniti Q70 3.7 V6: Power / Torque
  • Mercedes-Benz S-class (W222) S 400: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
InfinitiQ703.7 V67,000 rpm5,200 rpm7,250 rpm
Mercedes-BenzS-class (W222)S 4006,500 rpm3,500-5,250 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricInfinitiQ703.7 V6Mercedes-BenzS-class (W222)S 400
Acceleration checkpoints
0-60 mph
0-97 km/h
5.9 s
6.5 s
0-100 km/h
0-62 mph
6.2 s
6.8 s
0-200 km/h
0-124 mph
18.8 s
20.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.6 s
2.7 s
330 ft
101 m
6.4 s
6.7 s
1/8 mile
201 m
9.5 s
9.8 s
1000 ft
305 m
12.0 s
12.5 s
1/4 mile
402 m
14.1 s
14.7 s
Trap speed
1/4 mile
402 m
173 km/h
108 mph
167 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
InfinitiQ703.7 V6
320 hp
239 kW
Mercedes-BenzS-class (W222)S 400
306 hp
228 kW

Infiniti Q70 3.7 V6 has 14 hp more than Mercedes-Benz S-class (W222) S 400.

The biggest power difference is between Mercedes-Benz S-class (W222) S 400 and Infiniti Q70 3.7 V6: 14 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
InfinitiQ703.7 V6
360 Nm
266 lb-ft
Mercedes-BenzS-class (W222)S 400
370 Nm
273 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
InfinitiQ703.7 V6
1,715 kg
3,781 lb
Mercedes-BenzS-class (W222)S 400
1,850 kg
4,079 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
InfinitiQ703.7 V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W222)S 400
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
InfinitiQ703.7 V66.2 s
Mercedes-BenzS-class (W222)S 4006.8 s

The biggest 0-100 km/h difference is between Infiniti Q70 3.7 V6 and Mercedes-Benz S-class (W222) S 400: 0.6 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
InfinitiQ703.7 V6
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
Mercedes-BenzS-class (W222)S 400
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W222) S 400 and Infiniti Q70 3.7 V6: 3.4 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
InfinitiQ703.7 V6
187 hp/t
139 kW/t
5.4 kg/hp
Mercedes-BenzS-class (W222)S 400
165 hp/t
123 kW/t
6.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
InfinitiQ703.7 V6
784 km
487 mi
Mercedes-BenzS-class (W222)S 400
1,029 km
640 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
InfinitiQ703.7 V6
320 hp
239 kW
6.2 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W222)S 400
306 hp
228 kW
6.8 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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
InfinitiQ703.7 V6
Power
320 hp
239 kW
0-100 km/h6.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,945 mm
194.7 in
Height
1,500 mm
59.1 in
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

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
InfinitiQ703.7 V6
Power
320 hp
239 kW
0-100 km/h6.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
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

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
InfinitiQ703.7 V6
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
6.2 s
Mercedes-BenzS-class (W222)S 400
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.8 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
InfinitiQ703.7 V6
187 hp/t
139 kW/t
5.4 kg/hp
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleInfinitiQ703.7 V6Mercedes-BenzS-class (W222)S 400
Power
320 hp
239 kW
306 hp
228 kW
Torque
360 Nm
266 lb-ft
370 Nm
273 lb-ft
Acceleration
6.2 s
6.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,715 kg
3,781 lb
1,850 kg
4,079 lb
Fuel consumption
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,945 mm
194.7 in
Height
1,500 mm
59.1 in
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
Range score
784 km
487 mi
1,029 km
640 mi
CO2 score
-
159 g/km
Trunk score
500 L
17.7 cu ft
510 L
18.0 cu ft
Power-to-weight score
187 hp/t
139 kW/t
5.4 kg/hp
165 hp/t
123 kW/t
6.0 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
VehicleInfiniti Q70 3.7 V6Mercedes-Benz S-class (W222) S 400
Consumption10.2 L/100 km23.1 mpg US27.7 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km17.85 LC100 km11.90 LC100 km
Cost / 100 mi28.73 LC100 mi19.15 LC100 mi
Annual fuel used1,530 L404 US gal337 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost2,678 LC/year1,785 LC/year

Head-to-head comparisons

Infiniti Q70 3.7 V6

  • Has 14 hp more
  • Is 135 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 21 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Smallest trunk

Mercedes-Benz S-class (W222) S 400

  • Has 10 Nm more
  • Uses 3.4 L/100 km less fuel
  • Has 245 km (152 mi) more estimated range
  • Has 10 L more trunk volume

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Infiniti Q70 3.7 V6
Mercedes-Benz S-class (W222) S 400
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