Car comparison

Cadillac CTS I V 5.7 i V8vsCadillac STS 4.6 i 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

Cadillac STS

4.6 i V8

325 hp4565 ccGasolineRWDAutomaticNaturally aspiratedSedan2004-2011

Comparison overview

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

Best choices

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
  • Lightest
    1,745 kg
    3,847 lb
  • Best power-to-weight
    232 hp/t
    173 kW/t
    4.3 kg/hp
  • Lowest city consumption
    18.0 L/100 km
    13.1 mpg US
    15.7 mpg UK
  • Lowest highway consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Best overall score
    73/100
  • Best performance score
    75/100

Specification comparison

Specification comparison
ModelCadillacCTS IV 5.7 i V8CadillacSTS4.6 i V8
Power
405hp302kW
325hp242kW
Torque
536Nm395lb-ft
420Nm310lb-ft
Curb weight
1,745kg3,847lb
1,780kg3,924lb
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
64.0s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.6s
6.2s
0-200 km/h
13.9s
Calculated
18.9s
Calculated
0-60 mph
4.4s
Calculated
5.9s
Calculated
Fuel consumption-
14.4L/100 km16.3mpg US19.6mpg UK
Fuel consumption city
18L/100 km13.1mpg US15.7mpg UK
19.2L/100 km12.3mpg US14.7mpg UK
Fuel consumption highway
9L/100 km26.1mpg US31.4mpg UK
11.7L/100 km20.1mpg US24.1mpg UK
Quarter mile
12.5s
Calculated
14.1s
Calculated
Power-to-weight
232hp/t173kW/t105hp/1000 lb
Calculated
183hp/t136kW/t83hp/1000 lb
Calculated
Torque-to-weight
307Nm/t206lb-ft/ton
Calculated
236Nm/t158lb-ft/ton
Calculated
Estimated range-
458km285mi
Calculated
Displacement
5,665cc346cu in
4,565cc279cu in
Length
4,865mm192in
4,985mm196in
Width
1,793mm71in
1,843mm73in
Height
1,455mm57in
1,464mm58in
Wheelbase
2,880mm113in
2,957mm116in
Front track
1,555mm61in
1,596mm63in
Rear track
1,560mm61in
1,581mm62in
Trunk volume
360L
464L
Max trunk volume
430L
-
Doors
4
4
Seats
5
5
Fuel tank
66L
66L
CO2 emissions-
343g/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.

Cadillac CTS I V 5.7 i V8Cadillac STS 4.6 i V8PowerTorque
  • Cadillac CTS I V 5.7 i V8: Power / Torque
  • Cadillac STS 4.6 i 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
CadillacSTS4.6 i V86,400 rpm4,400 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricCadillacCTS IV 5.7 i V8CadillacSTS4.6 i V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
5.9 s
0-100 km/h
0-62 mph
4.6 s
6.2 s
0-200 km/h
0-124 mph
13.9 s
18.9 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
2.3 s
2.6 s
330 ft
101 m
5.6 s
6.4 s
1/8 mile
201 m
8.3 s
9.5 s
1000 ft
305 m
10.6 s
12.0 s
1/4 mile
402 m
12.5 s
14.1 s
Trap speed
1/4 mile
402 m
190 km/h
118 mph
173 km/h
107 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
CadillacSTS4.6 i V8
325 hp
242 kW

Cadillac CTS I V 5.7 i V8 has 80 hp more than Cadillac STS 4.6 i V8.

The biggest power difference is between Cadillac STS 4.6 i V8 and Cadillac CTS I V 5.7 i V8: 80 hp (60 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
CadillacSTS4.6 i V8
420 Nm
310 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
CadillacSTS4.6 i V8
1,780 kg
3,924 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
CadillacSTS4.6 i 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
CadillacSTS4.6 i V86.2 s

The biggest 0-100 km/h difference is between Cadillac CTS I V 5.7 i V8 and Cadillac STS 4.6 i V8: 1.6 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
CadillacSTS4.6 i V8
183 hp/t
136 kW/t
5.5 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
CadillacSTS4.6 i V8
325 hp
242 kW
6.2 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
CadillacSTS4.6 i V8
Power
325 hp
242 kW
0-100 km/h6.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
464 L
16.4 cu ft
Length
4,985 mm
196.3 in
Height
1,464 mm
57.6 in

Detailed score breakdown

Detailed score breakdown
VehicleCadillacCTS IV 5.7 i V8CadillacSTS4.6 i V8
Power
405 hp
302 kW
325 hp
242 kW
Torque
536 Nm
395 lb-ft
420 Nm
310 lb-ft
Acceleration
4.6 s
6.2 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
1,780 kg
3,924 lb
Fuel consumption
-
14.4 L/100 km
16.3 mpg US
19.6 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
464 L
16.4 cu ft
Length
4,985 mm
196.3 in
Height
1,464 mm
57.6 in
Range score
-
458 km
285 mi
CO2 score
-
343 g/km
Trunk score
360 L
12.7 cu ft
464 L
16.4 cu ft
Power-to-weight score
232 hp/t
173 kW/t
4.3 kg/hp
183 hp/t
136 kW/t
5.5 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
VehicleCadillac STS 4.6 i V8
Consumption14.4 L/100 km16.3 mpg US19.6 mpg UK
Cost / 100 km25.20 LC100 km
Cost / 100 mi40.56 LC100 mi
Annual fuel used2,160 L571 US gal475 UK gal
Annual fuel cost3,780 LC/year

Head-to-head comparisons

Cadillac CTS I V 5.7 i V8

  • Has 80 hp more
  • Has 116 Nm more
  • Is 35 kg lighter
  • Is 1.6 s quicker from 0-100 km/h
  • Has 50 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

  • Smallest trunk

Cadillac STS 4.6 i V8

  • Has 104 L more trunk volume

Pros

  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Cadillac CTS I V 5.7 i V8
Cadillac STS 4.6 i V8
Compare selected cars
2 vehicles selected

Popular comparisons

Cadillac CTS I V 5.7 i V8 vs Cadillac STS 4.6 i V8 - car comparison - FastVsFaster