Car comparison

Cadillac CTS I V 5.7 i V8vsMercedes-Benz C-class (W203) · Facelift 2004 AMG C 55 V8

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

New comparison

Cadillac CTS I

V 5.7 i V8

405 hp5665 ccGasolineRWDManualNaturally aspiratedSedan2004-2007
VS

Mercedes-Benz C-class (W203) · Facelift 2004

AMG C 55 V8

367 hp5439 ccGasolineRWDAutomaticNaturally aspiratedSedan2004-2007

Comparison overview

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

Best choices

Mercedes-Benz C-class (W203) Facelift 2004 AMG C 55 V8

  • Lightest
    1,560 kg
    3,439 lb
  • Best power-to-weight
    235 hp/t
    175 kW/t
    4.3 kg/hp
  • Lowest city consumption
    17.3 L/100 km
    13.6 mpg US
    16.3 mpg UK
  • Lowest highway consumption
    8.8 L/100 km
    26.7 mpg US
    32.1 mpg UK
  • Largest trunk
    455 L
  • Best economy score
    75/100
  • Best practicality score
    73/100

Cadillac CTS I V 5.7 i V8

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    405 hp
    302 kW
  • Highest torque
    536 Nm
    395 lb-ft
  • Best overall score
    73/100
  • Best performance score
    75/100

Specification comparison

Specification comparison
ModelCadillacCTS IV 5.7 i V8Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
Power
405hp302kW
367hp274kW
Torque
536Nm395lb-ft
510Nm376lb-ft
Curb weight
1,745kg3,847lb
1,560kg3,439lb
Gross weight-
2,115kg4,663lb
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
46.5s99% target: 262 km/h / 163 mph
Calculated
47.8s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.6s
5.2s
0-200 km/h
13.9s
Calculated
15.0s
Calculated
0-60 mph
4.4s
Calculated
5.0s
Calculated
Fuel consumption-
11.9L/100 km19.8mpg US23.7mpg UK
Fuel consumption city
18L/100 km13.1mpg US15.7mpg UK
17.3L/100 km13.6mpg US16.3mpg UK
Fuel consumption highway
9L/100 km26.1mpg US31.4mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Quarter mile
12.5s
Calculated
13.1s
Calculated
Power-to-weight
232hp/t173kW/t105hp/1000 lb
Calculated
235hp/t175kW/t107hp/1000 lb
Calculated
Torque-to-weight
307Nm/t206lb-ft/ton
Calculated
327Nm/t219lb-ft/ton
Calculated
Estimated range-
521km324mi
Calculated
Displacement
5,665cc346cu in
5,439cc332cu in
Length
4,865mm192in
4,611mm182in
Width
1,793mm71in
1,744mm69in
Height
1,455mm57in
1,412mm56in
Wheelbase
2,880mm113in
2,715mm107in
Front track
1,555mm61in
1,507mm59in
Rear track
1,560mm61in
1,478mm58in
Trunk volume
360L
455L
Max trunk volume
430L
-
Doors
4
4
Seats
5
5
Fuel tank
66L
62L

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.

Cadillac CTS I V 5.7 i V8Mercedes-Benz C-class (W203) Facelift 2004 AMG C 55 V8PowerTorque
  • Cadillac CTS I V 5.7 i V8: Power / Torque
  • Mercedes-Benz C-class (W203) Facelift 2004 AMG C 55 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
CadillacCTS IV 5.7 i V86,000 rpm4,800 rpm6,250 rpm
Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V85,750 rpm4,000 rpm6,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricCadillacCTS IV 5.7 i V8Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
5.0 s
0-100 km/h
0-62 mph
4.6 s
5.2 s
0-200 km/h
0-124 mph
13.9 s
15.0 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
2.3 s
2.5 s
330 ft
101 m
5.6 s
6.0 s
1/8 mile
201 m
8.3 s
8.8 s
1000 ft
305 m
10.6 s
11.1 s
1/4 mile
402 m
12.5 s
13.1 s
Trap speed
1/4 mile
402 m
190 km/h
118 mph
187 km/h
116 mph

Power comparison

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

Chart data table
VehicleValue
CadillacCTS IV 5.7 i V8
405 hp
302 kW
Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
367 hp
274 kW

Cadillac CTS I V 5.7 i V8 has 38 hp more than Mercedes-Benz C-class (W203) Facelift 2004 AMG C 55 V8.

The biggest power difference is between Mercedes-Benz C-class (W203) Facelift 2004 AMG C 55 V8 and Cadillac CTS I V 5.7 i V8: 38 hp (28 kW).

Torque comparison

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

Chart data table
VehicleValue
CadillacCTS IV 5.7 i V8
536 Nm
395 lb-ft
Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
510 Nm
376 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
CadillacCTS IV 5.7 i V8
1,745 kg
3,847 lb
Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
1,560 kg
3,439 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
CadillacCTS IV 5.7 i V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
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
CadillacCTS IV 5.7 i V84.6 s
Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V85.2 s

The biggest 0-100 km/h difference is between Cadillac CTS I V 5.7 i V8 and Mercedes-Benz C-class (W203) Facelift 2004 AMG C 55 V8: 0.6 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
CadillacCTS IV 5.7 i V8
232 hp/t
173 kW/t
4.3 kg/hp
Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
235 hp/t
175 kW/t
4.3 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
CadillacCTS IV 5.7 i V8
405 hp
302 kW
4.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
367 hp
274 kW
5.2 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
CadillacCTS IV 5.7 i V8
Power
405 hp
302 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
360 L
12.7 cu ft
Length
4,865 mm
191.5 in
Height
1,455 mm
57.3 in
Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
Power
367 hp
274 kW
0-100 km/h5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,611 mm
181.5 in
Height
1,412 mm
55.6 in

Detailed score breakdown

Detailed score breakdown
VehicleCadillacCTS IV 5.7 i V8Mercedes-BenzC-class (W203)Facelift 2004AMG C 55 V8
Power
405 hp
302 kW
367 hp
274 kW
Torque
536 Nm
395 lb-ft
510 Nm
376 lb-ft
Acceleration
4.6 s
5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,745 kg
3,847 lb
1,560 kg
3,439 lb
Fuel consumption
-
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
360 L
12.7 cu ft
Length
4,865 mm
191.5 in
Height
1,455 mm
57.3 in
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,611 mm
181.5 in
Height
1,412 mm
55.6 in
Range score
-
521 km
324 mi
Trunk score
360 L
12.7 cu ft
455 L
16.1 cu ft
Power-to-weight score
232 hp/t
173 kW/t
4.3 kg/hp
235 hp/t
175 kW/t
4.3 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 (W203) Facelift 2004 AMG C 55 V8
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK
Cost / 100 km20.83 LC100 km
Cost / 100 mi33.51 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal
Annual fuel cost3,124 LC/year

Head-to-head comparisons

Cadillac CTS I V 5.7 i V8

  • Has 38 hp more
  • Has 26 Nm more
  • Is 0.6 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Cadillac CTS I V 5.7 i V8
Mercedes-Benz C-class (W203) AMG C 55 V8
Compare selected cars
2 vehicles selected

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