Car comparison

Infiniti Q50 S 3.5 V6vsMercedes-Benz S-class (W222) · Facelift 2017 S 450

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

New comparison

Infiniti Q50

S 3.5 V6

364 hp3498 ccGasolineRWDAutomaticSedan2013-2017
VS

Mercedes-Benz S-class (W222) · Facelift 2017

S 450

367 hp2999 ccGasolineRWDAutomaticTurbochargedSedan2017-2020

Comparison overview

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

Best choices

Infiniti Q50 S 3.5 V6

  • Quickest 0-100 km/h
    5.1 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,775 kg
    3,913 lb
  • Best power-to-weight
    205 hp/t
    153 kW/t
    4.9 kg/hp
  • Lowest combined fuel consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest city consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest highway consumption
    5.1 L/100 km
    46.1 mpg US
    55.4 mpg UK
  • Lowest CO2 emissions
    144 g/km
  • Largest trunk
    510 L
  • Best economy score
    90/100
  • Best practicality score
    75/100

Specification comparison

Specification comparison
ModelInfinitiQ50S 3.5 V6Mercedes-BenzS-class (W222)Facelift 2017S 450
Power
364hp271kW
367hp274kW
Torque
350Nm258lb-ft
500Nm369lb-ft
Curb weight
1,775kg3,913lb
1,920kg4,233lb
Gross weight-
2,665kg5,875lb
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
49.5s99% target: 262 km/h / 163 mph
Calculated
51.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.1s
5.1s
0-200 km/h
15.1s
Calculated
15.4s
Calculated
0-60 mph
4.9s
Calculated
4.9s
Calculated
Fuel consumption
6.2L/100 km37.9mpg US45.6mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Fuel consumption city
8.2L/100 km28.7mpg US34.4mpg UK
9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption highway
5.1L/100 km46.1mpg US55.4mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Quarter mile
13.0s
Calculated
13.0s
Calculated
Power-to-weight
205hp/t153kW/t93hp/1000 lb
Calculated
191hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
197Nm/t132lb-ft/ton
Calculated
260Nm/t174lb-ft/ton
Calculated
Estimated range-
1,061km659mi
Calculated
Displacement
3,498cc213cu in
2,999cc183cu in
Length
4,783mm188in
5,141mm202in
Width
1,824mm72in
1,905mm75in
Height
1,443mm57in
1,498mm59in
Wheelbase
2,850mm112in
3,035mm119in
Front track
1,519mm60in
1,630mm64in
Rear track
1,529mm60in
1,643mm65in
Trunk volume
510L
510L
Doors
4
4
Seats
5
4
Fuel tank-
70L
CO2 emissions
144g/km
157g/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 Q50 S 3.5 V6Mercedes-Benz S-class (W222) Facelift 2017 S 450PowerTorque
  • Infiniti Q50 S 3.5 V6: Power / Torque
  • Mercedes-Benz S-class (W222) Facelift 2017 S 450: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
InfinitiQ50S 3.5 V66,500 rpm5,200 rpm6,750 rpm
Mercedes-BenzS-class (W222)Facelift 2017S 4505,500-6,100 rpm1,600-4,000 rpm6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricInfinitiQ50S 3.5 V6Mercedes-BenzS-class (W222)Facelift 2017S 450
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
4.9 s
0-100 km/h
0-62 mph
5.1 s
5.1 s
0-200 km/h
0-124 mph
15.1 s
15.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
5.9 s
5.9 s
1/8 mile
201 m
8.7 s
8.7 s
1000 ft
305 m
11.1 s
11.1 s
1/4 mile
402 m
13.0 s
13.0 s
Trap speed
1/4 mile
402 m
186 km/h
116 mph
185 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
InfinitiQ50S 3.5 V6
364 hp
271 kW
Mercedes-BenzS-class (W222)Facelift 2017S 450
367 hp
274 kW

Mercedes-Benz S-class (W222) Facelift 2017 S 450 has 3 hp more than Infiniti Q50 S 3.5 V6.

The biggest power difference is between Infiniti Q50 S 3.5 V6 and Mercedes-Benz S-class (W222) Facelift 2017 S 450: 3 hp (2 kW).

Torque comparison

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

Chart data table
VehicleValue
InfinitiQ50S 3.5 V6
350 Nm
258 lb-ft
Mercedes-BenzS-class (W222)Facelift 2017S 450
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
InfinitiQ50S 3.5 V6
1,775 kg
3,913 lb
Mercedes-BenzS-class (W222)Facelift 2017S 450
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
InfinitiQ50S 3.5 V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W222)Facelift 2017S 450
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
InfinitiQ50S 3.5 V65.1 s
Mercedes-BenzS-class (W222)Facelift 2017S 4505.1 s

Although Mercedes-Benz S-class (W222) Facelift 2017 S 450 has more power, Infiniti Q50 S 3.5 V6 is quicker from 0-100 km/h.

Fuel consumption comparison

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

Chart data table
VehicleValue
InfinitiQ50S 3.5 V6
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
Mercedes-BenzS-class (W222)Facelift 2017S 450
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
InfinitiQ50S 3.5 V6
205 hp/t
153 kW/t
4.9 kg/hp
Mercedes-BenzS-class (W222)Facelift 2017S 450
191 hp/t
143 kW/t
5.2 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
InfinitiQ50S 3.5 V6
364 hp
271 kW
5.1 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W222)Facelift 2017S 450
367 hp
274 kW
5.1 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
InfinitiQ50S 3.5 V6
Power
364 hp
271 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
4,783 mm
188.3 in
Height
1,443 mm
56.8 in
Mercedes-BenzS-class (W222)Facelift 2017S 450
Power
367 hp
274 kW
0-100 km/h5.1 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
5,141 mm
202.4 in
Height
1,498 mm
59.0 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
InfinitiQ50S 3.5 V6
Power
364 hp
271 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
Mercedes-BenzS-class (W222)Facelift 2017S 450
Power
367 hp
274 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Mercedes-Benz S-class (W222) Facelift 2017 S 450 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
InfinitiQ50S 3.5 V6
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
5.1 s
Mercedes-BenzS-class (W222)Facelift 2017S 450
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
5.1 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
InfinitiQ50S 3.5 V6
205 hp/t
153 kW/t
4.9 kg/hp
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
Mercedes-BenzS-class (W222)Facelift 2017S 450
191 hp/t
143 kW/t
5.2 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleInfinitiQ50S 3.5 V6Mercedes-BenzS-class (W222)Facelift 2017S 450
Power
364 hp
271 kW
367 hp
274 kW
Torque
350 Nm
258 lb-ft
500 Nm
369 lb-ft
Acceleration
5.1 s
5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,775 kg
3,913 lb
1,920 kg
4,233 lb
Fuel consumption
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
4,783 mm
188.3 in
Height
1,443 mm
56.8 in
Doors/seats
4 doors
4 seats
Trunk
510 L
18.0 cu ft
Length
5,141 mm
202.4 in
Height
1,498 mm
59.0 in
Range score
-
1,061 km
659 mi
CO2 score
144 g/km
157 g/km
Trunk score
510 L
18.0 cu ft
510 L
18.0 cu ft
Power-to-weight score
205 hp/t
153 kW/t
4.9 kg/hp
191 hp/t
143 kW/t
5.2 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 Q50 S 3.5 V6Mercedes-Benz S-class (W222) Facelift 2017 S 450
Consumption6.2 L/100 km37.9 mpg US45.6 mpg UK6.6 L/100 km35.6 mpg US42.8 mpg UK
Cost / 100 km10.85 LC100 km11.55 LC100 km
Cost / 100 mi17.46 LC100 mi18.59 LC100 mi
Annual fuel used930 L246 US gal205 UK gal990 L262 US gal218 UK gal
Annual fuel cost1,628 LC/year1,733 LC/year

Head-to-head comparisons

Infiniti Q50 S 3.5 V6

  • Is 145 kg lighter
  • Uses 0.4 L/100 km less fuel
  • Has 14 hp/t better power-to-weight
  • Emits 13 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Infiniti Q50 S 3.5 V6
Mercedes-Benz S-class (W222) S 450
Compare selected cars
2 vehicles selected

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