Car comparison

Mercedes-Benz C-class (W205) AMG C 450 V6vsInfiniti Q50 S 3.5 V6

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

New comparison

Mercedes-Benz C-class (W205)

AMG C 450 V6

367 hp2996 ccGasolineAWDAutomaticTwin-turboSedan2015-2016
VS

Infiniti Q50

S 3.5 V6

364 hp3498 ccGasolineAWDAutomaticSedan2013-2017

Comparison overview

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

Best choices

Mercedes-Benz C-class (W205) AMG C 450 V6

  • Quickest 0-100 km/h
    4.9 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    367 hp
    274 kW
  • Highest torque
    520 Nm
    384 lb-ft
  • Lightest
    1,615 kg
    3,560 lb
  • Best power-to-weight
    227 hp/t
    169 kW/t
    4.4 kg/hp
  • Best overall score
    75/100
  • Best performance score
    74/100
  • Best practicality score
    77/100

Infiniti Q50 S 3.5 V6

  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest city consumption
    9.6 L/100 km
    24.5 mpg US
    29.4 mpg UK
  • Lowest highway consumption
    5.3 L/100 km
    44.4 mpg US
    53.3 mpg UK
  • Lowest CO2 emissions
    159 g/km
  • Best economy score
    89/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class (W205)AMG C 450 V6InfinitiQ50S 3.5 V6
Power
367hp274kW
364hp271kW
Torque
520Nm384lb-ft
350Nm258lb-ft
Curb weight
1,615kg3,560lb
1,853kg4,085lb
Gross weight
2,225kg4,905lb
-
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
46.2s99% target: 262 km/h / 163 mph
Calculated
53.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.9s
5.4s
0-200 km/h
14.3s
Calculated
16.1s
Calculated
0-60 mph
4.7s
Calculated
5.2s
Calculated
Fuel consumption
7.9L/100 km29.8mpg US35.8mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
10.3L/100 km22.8mpg US27.4mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption highway
6.4L/100 km36.8mpg US44.1mpg UK
5.3L/100 km44.4mpg US53.3mpg UK
Quarter mile
12.8s
Calculated
13.3s
Calculated
Power-to-weight
227hp/t169kW/t103hp/1000 lb
Calculated
196hp/t146kW/t89hp/1000 lb
Calculated
Torque-to-weight
322Nm/t215lb-ft/ton
Calculated
189Nm/t126lb-ft/ton
Calculated
Displacement
2,996cc183cu in
3,498cc213cu in
Length
4,756mm187in
4,783mm188in
Width
1,839mm72in
1,824mm72in
Height
1,426mm56in
1,443mm57in
Wheelbase
2,840mm112in
2,850mm112in
Front track
1,609mm63in
1,519mm60in
Rear track
1,546mm61in
1,529mm60in
Trunk volume-
510L
Doors
4
4
Seats
5
5
CO2 emissions
183g/km
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.

Mercedes-Benz C-class (W205) AMG C 450 V6Infiniti Q50 S 3.5 V6PowerTorque
  • Mercedes-Benz C-class (W205) AMG C 450 V6: Power / Torque
  • Infiniti Q50 S 3.5 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class (W205)AMG C 450 V65,500-6,000 rpm2,000-4,200 rpm6,250 rpm
InfinitiQ50S 3.5 V66,500 rpm5,200 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class (W205)AMG C 450 V6InfinitiQ50S 3.5 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
5.2 s
0-100 km/h
0-62 mph
4.9 s
5.4 s
0-200 km/h
0-124 mph
14.3 s
16.1 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
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
5.8 s
6.1 s
1/8 mile
201 m
8.5 s
8.9 s
1000 ft
305 m
10.9 s
11.3 s
1/4 mile
402 m
12.8 s
13.3 s
Trap speed
1/4 mile
402 m
189 km/h
118 mph
182 km/h
113 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)AMG C 450 V6
367 hp
274 kW
InfinitiQ50S 3.5 V6
364 hp
271 kW

Mercedes-Benz C-class (W205) AMG C 450 V6 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 C-class (W205) AMG C 450 V6: 3 hp (2 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)AMG C 450 V6
520 Nm
384 lb-ft
InfinitiQ50S 3.5 V6
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)AMG C 450 V6
1,615 kg
3,560 lb
InfinitiQ50S 3.5 V6
1,853 kg
4,085 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-BenzC-class (W205)AMG C 450 V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
InfinitiQ50S 3.5 V6
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
Mercedes-BenzC-class (W205)AMG C 450 V64.9 s
InfinitiQ50S 3.5 V65.4 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W205) AMG C 450 V6 and Infiniti Q50 S 3.5 V6: 0.5 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-BenzC-class (W205)AMG C 450 V6
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
InfinitiQ50S 3.5 V6
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between Infiniti Q50 S 3.5 V6 and Mercedes-Benz C-class (W205) AMG C 450 V6: 1.1 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-BenzC-class (W205)AMG C 450 V6
227 hp/t
169 kW/t
4.4 kg/hp
InfinitiQ50S 3.5 V6
196 hp/t
146 kW/t
5.1 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzC-class (W205)AMG C 450 V6
367 hp
274 kW
4.9 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
InfinitiQ50S 3.5 V6
364 hp
271 kW
5.4 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
Mercedes-BenzC-class (W205)AMG C 450 V6
Power
367 hp
274 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
4,756 mm
187.2 in
Height
1,426 mm
56.1 in
InfinitiQ50S 3.5 V6
Power
364 hp
271 kW
0-100 km/h5.4 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

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-BenzC-class (W205)AMG C 450 V6
Power
367 hp
274 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
InfinitiQ50S 3.5 V6
Power
364 hp
271 kW
0-100 km/h5.4 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 C-class (W205) AMG C 450 V6 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-BenzC-class (W205)AMG C 450 V6
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
4.9 s
InfinitiQ50S 3.5 V6
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
5.4 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-BenzC-class (W205)AMG C 450 V6
227 hp/t
169 kW/t
4.4 kg/hp
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
InfinitiQ50S 3.5 V6
196 hp/t
146 kW/t
5.1 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class (W205)AMG C 450 V6InfinitiQ50S 3.5 V6
Power
367 hp
274 kW
364 hp
271 kW
Torque
520 Nm
384 lb-ft
350 Nm
258 lb-ft
Acceleration
4.9 s
5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,615 kg
3,560 lb
1,853 kg
4,085 lb
Fuel consumption
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk-
Length
4,756 mm
187.2 in
Height
1,426 mm
56.1 in
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
CO2 score
183 g/km
159 g/km
Trunk score
-
510 L
18.0 cu ft
Power-to-weight score
227 hp/t
169 kW/t
4.4 kg/hp
196 hp/t
146 kW/t
5.1 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 C-class (W205) AMG C 450 V6Infiniti Q50 S 3.5 V6
Consumption7.9 L/100 km29.8 mpg US35.8 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km13.83 LC100 km11.90 LC100 km
Cost / 100 mi22.25 LC100 mi19.15 LC100 mi
Annual fuel used1,185 L313 US gal261 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost2,074 LC/year1,785 LC/year

Head-to-head comparisons

Mercedes-Benz C-class (W205) AMG C 450 V6

  • Has 3 hp more
  • Has 170 Nm more
  • Is 238 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 31 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

Infiniti Q50 S 3.5 V6

  • Uses 1.1 L/100 km less fuel
  • Emits 24 g/km less CO2

Pros

  • Lowest combined fuel consumption

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz C-class (W205) AMG C 450 V6
Infiniti Q50 S 3.5 V6
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