Car comparison

Mercedes-Benz C-class (W205) C 250dvsInfiniti Q50 · Facelift 2017 2.0t

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

New comparison

Mercedes-Benz C-class (W205)

C 250d

204 hp2143 ccDieselRWDAutomaticTwin-turboSedan2016-2018
VS

Infiniti Q50 · Facelift 2017

2.0t

211 hp1991 ccGasolineRWDAutomaticTurbochargedSedan2017-present

Comparison overview

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

Best choices

Mercedes-Benz C-class (W205) C 250d

  • Quickest 0-100 km/h
    6.6 s
  • Fastest top speed
    247 km/h
    153 mph
  • Highest torque
    500 Nm
    369 lb-ft
  • Lightest
    1,520 kg
    3,351 lb
  • Best power-to-weight
    134 hp/t
    100 kW/t
    7.5 kg/hp
  • Lowest combined fuel consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest city consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Lowest highway consumption
    4.2 L/100 km
    56.0 mpg US
    67.3 mpg UK
  • Best overall score
    64/100
  • Best performance score
    59/100
  • Best economy score
    94/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class (W205)C 250dInfinitiQ50Facelift 20172.0t
Power
204hp152kW
211hp157kW
Torque
500Nm369lb-ft
350Nm258lb-ft
Curb weight
1,520kg3,351lb
1,692kg3,730lb
Gross weight
2,160kg4,762lb
-
Top speed
247 km/h
153 mph
245 km/h
152 mph
To 99% top speed
64.4s99% target: 245 km/h / 152 mph
Calculated
69.5s99% target: 243 km/h / 151 mph
Calculated
0-100 km/h
6.6s
7.2s
0-200 km/h
22.2s
Calculated
24.5s
Calculated
0-60 mph
6.3s
Calculated
6.9s
Calculated
Fuel consumption
4.7L/100 km50mpg US60.1mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Fuel consumption city
5.7L/100 km41.3mpg US49.6mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Fuel consumption highway
4.2L/100 km56mpg US67.3mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Quarter mile
14.6s
Calculated
15.1s
Calculated
Power-to-weight
134hp/t100kW/t61hp/1000 lb
Calculated
125hp/t93kW/t57hp/1000 lb
Calculated
Torque-to-weight
329Nm/t220lb-ft/ton
Calculated
207Nm/t138lb-ft/ton
Calculated
Estimated range
1,064km661mi
Calculated
1,231km765mi
Calculated
Displacement
2,143cc131cu in
1,991cc121cu in
Length
4,686mm184in
4,810mm189in
Width
1,810mm71in
1,820mm72in
Height
1,442mm57in
1,445mm57in
Wheelbase
2,840mm112in
2,850mm112in
Front track
1,588mm63in
-
Rear track
1,570mm62in
-
Trunk volume
480L
500L
Doors
4
4
Seats
5
5
Fuel tank
50L
80L
CO2 emissions-
151g/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) C 250dInfiniti Q50 Facelift 2017 2.0tPowerTorque
  • Mercedes-Benz C-class (W205) C 250d: Power / Torque
  • Infiniti Q50 Facelift 2017 2.0t: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class (W205)C 250d3,800 rpm1,600-1,800 rpm4,050 rpm
InfinitiQ50Facelift 20172.0t5,500 rpm1,250-3,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class (W205)C 250dInfinitiQ50Facelift 20172.0t
Acceleration checkpoints
0-60 mph
0-97 km/h
6.3 s
6.9 s
0-100 km/h
0-62 mph
6.6 s
7.2 s
0-200 km/h
0-124 mph
22.2 s
24.5 s
Top speed
247 km/h
153 mph
245 km/h
152 mph
Drag race simulation
60 ft
18 m
2.6 s
2.7 s
330 ft
101 m
6.6 s
6.8 s
1/8 mile
201 m
9.7 s
10.1 s
1000 ft
305 m
12.3 s
12.8 s
1/4 mile
402 m
14.6 s
15.1 s
Trap speed
1/4 mile
402 m
165 km/h
103 mph
161 km/h
100 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)C 250d
204 hp
152 kW
InfinitiQ50Facelift 20172.0t
211 hp
157 kW

Infiniti Q50 Facelift 2017 2.0t has 7 hp more than Mercedes-Benz C-class (W205) C 250d.

The biggest power difference is between Mercedes-Benz C-class (W205) C 250d and Infiniti Q50 Facelift 2017 2.0t: 7 hp (5 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)C 250d
500 Nm
369 lb-ft
InfinitiQ50Facelift 20172.0t
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)C 250d
1,520 kg
3,351 lb
InfinitiQ50Facelift 20172.0t
1,692 kg
3,730 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)C 250d
247 km/h
153 mph
InfinitiQ50Facelift 20172.0t
245 km/h
152 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)C 250d6.6 s
InfinitiQ50Facelift 20172.0t7.2 s

Although Infiniti Q50 Facelift 2017 2.0t has more power, Mercedes-Benz C-class (W205) C 250d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W205) C 250d and Infiniti Q50 Facelift 2017 2.0t: 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
Mercedes-BenzC-class (W205)C 250d
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
InfinitiQ50Facelift 20172.0t
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class (W205) C 250d and Infiniti Q50 Facelift 2017 2.0t: 1.8 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)C 250d
134 hp/t
100 kW/t
7.5 kg/hp
InfinitiQ50Facelift 20172.0t
125 hp/t
93 kW/t
8.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)C 250d
1,064 km
661 mi
InfinitiQ50Facelift 20172.0t
1,231 km
765 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzC-class (W205)C 250d
204 hp
152 kW
6.6 s
247 km/h
153 mph
InfinitiQ50Facelift 20172.0t
211 hp
157 kW
7.2 s
245 km/h
152 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)C 250d
Power
204 hp
152 kW
0-100 km/h6.6 s
Top speed
247 km/h
153 mph
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,686 mm
184.5 in
Height
1,442 mm
56.8 in
InfinitiQ50Facelift 20172.0t
Power
211 hp
157 kW
0-100 km/h7.2 s
Top speed
245 km/h
152 mph
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,810 mm
189.4 in
Height
1,445 mm
56.9 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
Mercedes-BenzC-class (W205)C 250d
Power
204 hp
152 kW
0-100 km/h6.6 s
Top speed
247 km/h
153 mph
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
InfinitiQ50Facelift 20172.0t
Power
211 hp
157 kW
0-100 km/h7.2 s
Top speed
245 km/h
152 mph
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

Mercedes-Benz C-class (W205) C 250d 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)C 250d
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
6.6 s
InfinitiQ50Facelift 20172.0t
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
7.2 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)C 250d
134 hp/t
100 kW/t
7.5 kg/hp
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
InfinitiQ50Facelift 20172.0t
125 hp/t
93 kW/t
8.0 kg/hp
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class (W205)C 250dInfinitiQ50Facelift 20172.0t
Power
204 hp
152 kW
211 hp
157 kW
Torque
500 Nm
369 lb-ft
350 Nm
258 lb-ft
Acceleration
6.6 s
7.2 s
Top speed
247 km/h
153 mph
245 km/h
152 mph
Lightness
1,520 kg
3,351 lb
1,692 kg
3,730 lb
Fuel consumption
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,686 mm
184.5 in
Height
1,442 mm
56.8 in
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,810 mm
189.4 in
Height
1,445 mm
56.9 in
Range score
1,064 km
661 mi
1,231 km
765 mi
CO2 score
-
151 g/km
Trunk score
480 L
17.0 cu ft
500 L
17.7 cu ft
Power-to-weight score
134 hp/t
100 kW/t
7.5 kg/hp
125 hp/t
93 kW/t
8.0 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
VehicleMercedes-Benz C-class (W205) C 250dInfiniti Q50 Facelift 2017 2.0t
Consumption4.7 L/100 km50 mpg US60.1 mpg UK6.5 L/100 km36.2 mpg US43.5 mpg UK
Cost / 100 km8.23 LC100 km11.38 LC100 km
Cost / 100 mi13.24 LC100 mi18.31 LC100 mi
Annual fuel used705 L186 US gal155 UK gal975 L258 US gal214 UK gal
Annual fuel cost1,234 LC/year1,706 LC/year

Head-to-head comparisons

Mercedes-Benz C-class (W205) C 250d

  • Has 150 Nm more
  • Is 172 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Uses 1.8 L/100 km less fuel
  • Has 10 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Smallest trunk

Infiniti Q50 Facelift 2017 2.0t

  • Has 7 hp more
  • Has 167 km (104 mi) more estimated range
  • Has 20 L more trunk volume

Pros

  • Most powerful
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz C-class (W205) C 250d
Infiniti Q50 2.0t
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