Car comparison

Mercedes-Benz C-class (W205) C 300vsInfiniti Q70 3.0D V6

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

New comparison

Mercedes-Benz C-class (W205)

C 300

245 hp1991 ccGasolineRWDAutomaticTurbochargedSedan2015-2016
VS

Infiniti Q70

3.0D V6

238 hp2993 ccDieselRWDAutomaticTurbochargedSedan2014-2014

Comparison overview

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

Best choices

Mercedes-Benz C-class (W205) C 300

  • Quickest 0-100 km/h
    5.9 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    245 hp
    183 kW
  • Lightest
    1,455 kg
    3,208 lb
  • Best power-to-weight
    168 hp/t
    126 kW/t
    5.9 kg/hp
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest city consumption
    8.8 L/100 km
    26.7 mpg US
    32.1 mpg UK
  • Lowest highway consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Largest trunk
    480 L
  • Best overall score
    66/100
  • Best performance score
    62/100
  • Best economy score
    89/100
  • Best practicality score
    74/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class (W205)C 300InfinitiQ703.0D V6
Power
245hp183kW
238hp177kW
Torque
370Nm273lb-ft
550Nm406lb-ft
Curb weight
1,455kg3,208lb
1,845kg4,068lb
Gross weight
2,095kg4,619lb
2,395kg5,280lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
59.4s99% target: 257 km/h / 160 mph
Calculated
74.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.9s
6.9s
0-200 km/h
18.4s
Calculated
22.2s
Calculated
0-60 mph
5.6s
Calculated
6.6s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Fuel consumption city
8.8L/100 km26.7mpg US32.1mpg UK
10.3L/100 km22.8mpg US27.4mpg UK
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Quarter mile
13.9s
Calculated
14.8s
Calculated
Power-to-weight
168hp/t126kW/t76hp/1000 lb
Calculated
129hp/t96kW/t59hp/1000 lb
Calculated
Torque-to-weight
254Nm/t170lb-ft/ton
Calculated
298Nm/t199lb-ft/ton
Calculated
Estimated range
971km603mi
Calculated
1,067km663mi
Calculated
Displacement
1,991cc121cu in
2,993cc183cu in
Length
4,686mm184in
4,945mm195in
Width
1,810mm71in
1,845mm73in
Height
1,442mm57in
1,500mm59in
Wheelbase
2,840mm112in
2,900mm114in
Front track
1,588mm63in
1,575mm62in
Rear track
1,570mm62in
1,570mm62in
Ground clearance-
152mm6in
Trunk volume
480L
450L
Doors
4
4
Seats
5
5
Fuel tank
66L
80L
CO2 emissions
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.

Mercedes-Benz C-class (W205) C 300Infiniti Q70 3.0D V6PowerTorque
  • Mercedes-Benz C-class (W205) C 300: Power / Torque
  • Infiniti Q70 3.0D V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class (W205)C 3005,500 rpm1,300-4,000 rpm5,750 rpm
InfinitiQ703.0D V63,750 rpm1,750 rpm4,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class (W205)C 300InfinitiQ703.0D V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.6 s
6.6 s
0-100 km/h
0-62 mph
5.9 s
6.9 s
0-200 km/h
0-124 mph
18.4 s
22.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.5 s
2.7 s
330 ft
101 m
6.3 s
6.7 s
1/8 mile
201 m
9.3 s
9.9 s
1000 ft
305 m
11.8 s
12.6 s
1/4 mile
402 m
13.9 s
14.8 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
164 km/h
102 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class (W205)C 300
245 hp
183 kW
InfinitiQ703.0D V6
238 hp
177 kW

Mercedes-Benz C-class (W205) C 300 has 7 hp more than Infiniti Q70 3.0D V6.

The biggest power difference is between Infiniti Q70 3.0D V6 and Mercedes-Benz C-class (W205) C 300: 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 300
370 Nm
273 lb-ft
InfinitiQ703.0D V6
550 Nm
406 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 300
1,455 kg
3,208 lb
InfinitiQ703.0D V6
1,845 kg
4,068 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 300
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
InfinitiQ703.0D V6
Unrestricted
260 km/h162 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)C 3005.9 s
InfinitiQ703.0D V66.9 s

The biggest 0-100 km/h difference is between Mercedes-Benz C-class (W205) C 300 and Infiniti Q70 3.0D V6: 1.0 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 300
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
InfinitiQ703.0D V6
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz C-class (W205) C 300 and Infiniti Q70 3.0D V6: 0.7 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 300
168 hp/t
126 kW/t
5.9 kg/hp
InfinitiQ703.0D V6
129 hp/t
96 kW/t
7.8 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 300
971 km
603 mi
InfinitiQ703.0D V6
1,067 km
663 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzC-class (W205)C 300
245 hp
183 kW
5.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
InfinitiQ703.0D V6
238 hp
177 kW
6.9 s
Unrestricted
260 km/h162 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)C 300
Power
245 hp
183 kW
0-100 km/h5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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
InfinitiQ703.0D V6
Power
238 hp
177 kW
0-100 km/h6.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
450 L
15.9 cu ft
Length
4,945 mm
194.7 in
Height
1,500 mm
59.1 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 300
Power
245 hp
183 kW
0-100 km/h5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
InfinitiQ703.0D V6
Power
238 hp
177 kW
0-100 km/h6.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

Mercedes-Benz C-class (W205) C 300 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 300
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
5.9 s
InfinitiQ703.0D V6
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
6.9 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 300
168 hp/t
126 kW/t
5.9 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
InfinitiQ703.0D V6
129 hp/t
96 kW/t
7.8 kg/hp
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class (W205)C 300InfinitiQ703.0D V6
Power
245 hp
183 kW
238 hp
177 kW
Torque
370 Nm
273 lb-ft
550 Nm
406 lb-ft
Acceleration
5.9 s
6.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,455 kg
3,208 lb
1,845 kg
4,068 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
7.5 L/100 km
31.4 mpg US
37.7 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
450 L
15.9 cu ft
Length
4,945 mm
194.7 in
Height
1,500 mm
59.1 in
Range score
971 km
603 mi
1,067 km
663 mi
CO2 score
157 g/km
-
Trunk score
480 L
17.0 cu ft
450 L
15.9 cu ft
Power-to-weight score
168 hp/t
126 kW/t
5.9 kg/hp
129 hp/t
96 kW/t
7.8 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 300Infiniti Q70 3.0D V6
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK7.5 L/100 km31.4 mpg US37.7 mpg UK
Cost / 100 km11.90 LC100 km13.13 LC100 km
Cost / 100 mi19.15 LC100 mi21.12 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,125 L297 US gal247 UK gal
Annual fuel cost1,785 LC/year1,969 LC/year

Head-to-head comparisons

Mercedes-Benz C-class (W205) C 300

  • Has 7 hp more
  • Is 390 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Uses 0.7 L/100 km less fuel
  • Has 39 hp/t better power-to-weight
  • Has 30 L more trunk volume

Pros

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

Infiniti Q70 3.0D V6

  • Has 180 Nm more
  • Has 96 km (60 mi) more estimated range

Pros

  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz C-class (W205) C 300
Infiniti Q70 3.0D V6
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