Car comparison

Mercedes-Benz C-class Coupe (C205) C 300vsAlfa Romeo 4C 1.7

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

New comparison

Mercedes-Benz C-class Coupe (C205)

C 300

245 hp1991 ccGasolineRWDAutomaticTurbochargedCoupe2015-2016
VS

Alfa Romeo 4C

1.7

240 hp1742 ccGasolineRWDAutomaticTurbochargedCoupe2013-2016

Comparison overview

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

Best choices

Mercedes-Benz C-class Coupe (C205) C 300

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    245 hp
    183 kW
  • 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
    8.8 L/100 km
    26.7 mpg US
    32.1 mpg UK
  • Lowest CO2 emissions
    157 g/km
  • Best estimated range
    971 km
    603 mi
  • Largest trunk
    400 L
  • Best overall score
    58/100
  • Best economy score
    89/100
  • Best practicality score
    51/100

Alfa Romeo 4C 1.7

  • Quickest 0-100 km/h
    4.5 s
  • Lightest
    895 kg
    1,973 lb
  • Best power-to-weight
    268 hp/t
    200 kW/t
    3.7 kg/hp
  • Lowest highway consumption
    5.0 L/100 km
    47.0 mpg US
    56.5 mpg UK
  • Best performance score
    67/100

Specification comparison

Specification comparison
ModelMercedes-BenzC-class Coupe (C205)C 300Alfa Romeo4C1.7
Power
245hp183kW
240hp179kW
Torque
370Nm273lb-ft
350Nm258lb-ft
Curb weight
1,490kg3,285lb
895kg1,973lb
Gross weight
2,045kg4,508lb
-
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
258 km/h
160 mph
To 99% top speed
82.2s99% target: 257 km/h / 160 mph
Calculated
52.1s99% target: 255 km/h / 159 mph
Calculated
0-100 km/h
6.0s
4.5s
0-200 km/h
21.7s
Calculated
15.2s
Calculated
0-60 mph
5.7s
Calculated
4.3s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
8.8L/100 km26.7mpg US32.1mpg UK
9.8L/100 km24mpg US28.8mpg UK
Fuel consumption highway
5.7L/100 km41.3mpg US49.6mpg UK
5L/100 km47mpg US56.5mpg UK
Quarter mile
14.1s
Calculated
12.6s
Calculated
Power-to-weight
164hp/t123kW/t75hp/1000 lb
Calculated
268hp/t200kW/t122hp/1000 lb
Calculated
Torque-to-weight
248Nm/t166lb-ft/ton
Calculated
391Nm/t262lb-ft/ton
Calculated
Estimated range
971km603mi
Calculated
588km366mi
Calculated
Displacement
1,991cc121cu in
1,742cc106cu in
Length
4,686mm184in
3,989mm157in
Width
1,810mm71in
1,864mm73in
Height
1,405mm55in
1,183mm47in
Wheelbase
2,840mm112in
2,380mm94in
Front track
1,563mm62in
1,639mm65in
Rear track
1,546mm61in
1,604mm63in
Ground clearance
89mm4in
114mm4in
Trunk volume
400L
110L
Doors
2
2
Seats
4
2
Fuel tank
66L
40L
CO2 emissions
157g/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.

Mercedes-Benz C-class Coupe (C205) C 300Alfa Romeo 4C 1.7PowerTorque
  • Mercedes-Benz C-class Coupe (C205) C 300: Power / Torque
  • Alfa Romeo 4C 1.7: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzC-class Coupe (C205)C 3005,500 rpm1,300-4,000 rpm5,750 rpm
Alfa Romeo4C1.76,000 rpm2,200-4,250 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzC-class Coupe (C205)C 300Alfa Romeo4C1.7
Acceleration checkpoints
0-60 mph
0-97 km/h
5.7 s
4.3 s
0-100 km/h
0-62 mph
6.0 s
4.5 s
0-200 km/h
0-124 mph
21.7 s
15.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
258 km/h
160 mph
Drag race simulation
60 ft
18 m
2.3 s
2.1 s
330 ft
101 m
6.2 s
5.5 s
1/8 mile
201 m
9.2 s
8.2 s
1000 ft
305 m
11.9 s
10.6 s
1/4 mile
402 m
14.1 s
12.6 s
Trap speed
1/4 mile
402 m
165 km/h
103 mph
184 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class Coupe (C205)C 300
245 hp
183 kW
Alfa Romeo4C1.7
240 hp
179 kW

Mercedes-Benz C-class Coupe (C205) C 300 has 5 hp more than Alfa Romeo 4C 1.7.

The biggest power difference is between Alfa Romeo 4C 1.7 and Mercedes-Benz C-class Coupe (C205) C 300: 5 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class Coupe (C205)C 300
370 Nm
273 lb-ft
Alfa Romeo4C1.7
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 Coupe (C205)C 300
1,490 kg
3,285 lb
Alfa Romeo4C1.7
895 kg
1,973 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 Coupe (C205)C 300
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Alfa Romeo4C1.7
258 km/h
160 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 Coupe (C205)C 3006.0 s
Alfa Romeo4C1.74.5 s

Although Mercedes-Benz C-class Coupe (C205) C 300 has more power, Alfa Romeo 4C 1.7 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alfa Romeo 4C 1.7 and Mercedes-Benz C-class Coupe (C205) C 300: 1.5 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 Coupe (C205)C 300
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa Romeo4C1.7
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

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 Coupe (C205)C 300
164 hp/t
123 kW/t
6.1 kg/hp
Alfa Romeo4C1.7
268 hp/t
200 kW/t
3.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzC-class Coupe (C205)C 300
971 km
603 mi
Alfa Romeo4C1.7
588 km
366 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzC-class Coupe (C205)C 300
245 hp
183 kW
6.0 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Alfa Romeo4C1.7
240 hp
179 kW
4.5 s
258 km/h
160 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 Coupe (C205)C 300
Power
245 hp
183 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
400 L
14.1 cu ft
Length
4,686 mm
184.5 in
Height
1,405 mm
55.3 in
Alfa Romeo4C1.7
Power
240 hp
179 kW
0-100 km/h4.5 s
Top speed
258 km/h
160 mph
Doors/seats
2 doors
2 seats
Trunk
110 L
3.9 cu ft
Length
3,989 mm
157.0 in
Height
1,183 mm
46.6 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 Coupe (C205)C 300
Power
245 hp
183 kW
0-100 km/h6.0 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
Alfa Romeo4C1.7
Power
240 hp
179 kW
0-100 km/h4.5 s
Top speed
258 km/h
160 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Alfa Romeo 4C 1.7 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 Coupe (C205)C 300
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.0 s
Alfa Romeo4C1.7
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
4.5 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 Coupe (C205)C 300
164 hp/t
123 kW/t
6.1 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa Romeo4C1.7
268 hp/t
200 kW/t
3.7 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzC-class Coupe (C205)C 300Alfa Romeo4C1.7
Power
245 hp
183 kW
240 hp
179 kW
Torque
370 Nm
273 lb-ft
350 Nm
258 lb-ft
Acceleration
6.0 s
4.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
258 km/h
160 mph
Lightness
1,490 kg
3,285 lb
895 kg
1,973 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
400 L
14.1 cu ft
Length
4,686 mm
184.5 in
Height
1,405 mm
55.3 in
Doors/seats
2 doors
2 seats
Trunk
110 L
3.9 cu ft
Length
3,989 mm
157.0 in
Height
1,183 mm
46.6 in
Range score
971 km
603 mi
588 km
366 mi
CO2 score
157 g/km
157 g/km
Trunk score
400 L
14.1 cu ft
110 L
3.9 cu ft
Power-to-weight score
164 hp/t
123 kW/t
6.1 kg/hp
268 hp/t
200 kW/t
3.7 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 Coupe (C205) C 300Alfa Romeo 4C 1.7
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km11.90 LC100 km11.90 LC100 km
Cost / 100 mi19.15 LC100 mi19.15 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost1,785 LC/year1,785 LC/year

Head-to-head comparisons

Mercedes-Benz C-class Coupe (C205) C 300

  • Has 5 hp more
  • Has 20 Nm more
  • Has 2 km/h (1 mph) higher top speed
  • Has 382 km (238 mi) more estimated range
  • Has 290 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Highest CO2 emissions

Alfa Romeo 4C 1.7

  • Is 595 kg lighter
  • Is 1.5 s quicker from 0-100 km/h
  • Has 104 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz C-class Coupe (C205) C 300
Alfa Romeo 4C 1.7
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