Car comparison

Cadillac CTS III 3.6 V6vsCadillac STS 4.6 i V8

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

New comparison

Cadillac CTS III

3.6 V6

340 hp3649 ccGasolineAWDAutomaticNaturally aspiratedSedan2014-2019
VS

Cadillac STS

4.6 i V8

325 hp4565 ccGasolineAWDAutomaticNaturally aspiratedSedan2006-2011

Comparison overview

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

Best choices

Cadillac CTS III 3.6 V6

  • Quickest 0-100 km/h
    6.7 s
  • Fastest top speed
    280 km/h
    174 mph
  • Most powerful
    340 hp
    254 kW
  • Lightest
    1,775 kg
    3,913 lb
  • Best power-to-weight
    192 hp/t
    143 kW/t
    5.2 kg/hp
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    12.7 L/100 km
    18.5 mpg US
    22.2 mpg UK
  • Lowest highway consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Best estimated range
    766 km
    476 mi
  • Best overall score
    66/100
  • Best performance score
    64/100
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelCadillacCTS III3.6 V6CadillacSTS4.6 i V8
Power
340hp254kW
325hp242kW
Torque
386Nm285lb-ft
420Nm310lb-ft
Curb weight
1,775kg3,913lb
1,920kg4,233lb
Top speed
280 km/h
174 mph
248 km/h
154 mph
To 99% top speed
77.7s99% target: 277 km/h / 172 mph
Calculated
64.9s99% target: 246 km/h / 153 mph
Calculated
0-100 km/h
6.7s
6.7s
0-200 km/h
19.9s
Calculated
22.3s
Calculated
0-60 mph
6.4s
Calculated
6.4s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
14.1L/100 km16.7mpg US20.0mpg UK
Fuel consumption city
12.7L/100 km18.5mpg US22.2mpg UK
19.7L/100 km11.9mpg US14.3mpg UK
Fuel consumption highway
7.4L/100 km31.8mpg US38.2mpg UK
10.9L/100 km21.6mpg US25.9mpg UK
Quarter mile
14.6s
Calculated
14.6s
Calculated
Power-to-weight
192hp/t143kW/t87hp/1000 lb
Calculated
169hp/t126kW/t77hp/1000 lb
Calculated
Torque-to-weight
217Nm/t146lb-ft/ton
Calculated
219Nm/t146lb-ft/ton
Calculated
Estimated range
766km476mi
Calculated
468km291mi
Calculated
Displacement
3,649cc223cu in
4,565cc279cu in
Length
4,966mm196in
4,985mm196in
Width
1,833mm72in
1,843mm73in
Height
1,454mm57in
1,464mm58in
Wheelbase
2,910mm115in
2,957mm116in
Front track
1,560mm61in
1,596mm63in
Rear track
1,568mm62in
1,581mm62in
Trunk volume
388L
464L
Doors
4
4
Seats
5
5
Fuel tank
72L
66L
CO2 emissions-
336g/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 III 3.6 V6Cadillac STS 4.6 i V8PowerTorque
  • Cadillac CTS III 3.6 V6: Power / Torque
  • Cadillac STS 4.6 i V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
CadillacCTS III3.6 V66,800 rpm5,300 rpm7,050 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 III3.6 V6CadillacSTS4.6 i V8
Acceleration checkpoints
0-60 mph
0-97 km/h
6.4 s
6.4 s
0-100 km/h
0-62 mph
6.7 s
6.7 s
0-200 km/h
0-124 mph
19.9 s
22.3 s
Top speed
280 km/h
174 mph
248 km/h
154 mph
Drag race simulation
60 ft
18 m
2.7 s
2.6 s
330 ft
101 m
6.7 s
6.6 s
1/8 mile
201 m
9.8 s
9.8 s
1000 ft
305 m
12.4 s
12.4 s
1/4 mile
402 m
14.6 s
14.6 s
Trap speed
1/4 mile
402 m
169 km/h
105 mph
165 km/h
103 mph

Power comparison

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

Chart data table
VehicleValue
CadillacCTS III3.6 V6
340 hp
254 kW
CadillacSTS4.6 i V8
325 hp
242 kW

Cadillac CTS III 3.6 V6 has 15 hp more than Cadillac STS 4.6 i V8.

The biggest power difference is between Cadillac STS 4.6 i V8 and Cadillac CTS III 3.6 V6: 15 hp (11 kW).

Torque comparison

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

Chart data table
VehicleValue
CadillacCTS III3.6 V6
386 Nm
285 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 III3.6 V6
1,775 kg
3,913 lb
CadillacSTS4.6 i V8
1,920 kg
4,233 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 III3.6 V6
280 km/h
174 mph
CadillacSTS4.6 i V8
248 km/h
154 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
CadillacCTS III3.6 V66.7 s
CadillacSTS4.6 i V86.7 s

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
CadillacCTS III3.6 V6
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
CadillacSTS4.6 i V8
14.1 L/100 km
16.7 mpg US
20.0 mpg UK

The biggest fuel consumption difference is between Cadillac CTS III 3.6 V6 and Cadillac STS 4.6 i V8: 4.7 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
CadillacCTS III3.6 V6
192 hp/t
143 kW/t
5.2 kg/hp
CadillacSTS4.6 i V8
169 hp/t
126 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
CadillacCTS III3.6 V6
766 km
476 mi
CadillacSTS4.6 i V8
468 km
291 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
CadillacCTS III3.6 V6
340 hp
254 kW
6.7 s
280 km/h
174 mph
CadillacSTS4.6 i V8
325 hp
242 kW
6.7 s
248 km/h
154 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 III3.6 V6
Power
340 hp
254 kW
0-100 km/h6.7 s
Top speed
280 km/h
174 mph
Doors/seats
4 doors
5 seats
Trunk
388 L
13.7 cu ft
Length
4,966 mm
195.5 in
Height
1,454 mm
57.2 in
CadillacSTS4.6 i V8
Power
325 hp
242 kW
0-100 km/h6.7 s
Top speed
248 km/h
154 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

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
CadillacCTS III3.6 V6
Power
340 hp
254 kW
0-100 km/h6.7 s
Top speed
280 km/h
174 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
CadillacSTS4.6 i V8
Power
325 hp
242 kW
0-100 km/h6.7 s
Top speed
248 km/h
154 mph
14.1 L/100 km
16.7 mpg US
20.0 mpg UK

Cadillac CTS III 3.6 V6 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
CadillacCTS III3.6 V6
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
6.7 s
CadillacSTS4.6 i V8
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
6.7 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
CadillacCTS III3.6 V6
192 hp/t
143 kW/t
5.2 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
CadillacSTS4.6 i V8
169 hp/t
126 kW/t
5.9 kg/hp
14.1 L/100 km
16.7 mpg US
20.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleCadillacCTS III3.6 V6CadillacSTS4.6 i V8
Power
340 hp
254 kW
325 hp
242 kW
Torque
386 Nm
285 lb-ft
420 Nm
310 lb-ft
Acceleration
6.7 s
6.7 s
Top speed
280 km/h
174 mph
248 km/h
154 mph
Lightness
1,775 kg
3,913 lb
1,920 kg
4,233 lb
Fuel consumption
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
14.1 L/100 km
16.7 mpg US
20.0 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
388 L
13.7 cu ft
Length
4,966 mm
195.5 in
Height
1,454 mm
57.2 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
766 km
476 mi
468 km
291 mi
CO2 score
-
336 g/km
Trunk score
388 L
13.7 cu ft
464 L
16.4 cu ft
Power-to-weight score
192 hp/t
143 kW/t
5.2 kg/hp
169 hp/t
126 kW/t
5.9 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 CTS III 3.6 V6Cadillac STS 4.6 i V8
Consumption9.4 L/100 km25 mpg US30.1 mpg UK14.1 L/100 km16.7 mpg US20 mpg UK
Cost / 100 km16.45 LC100 km24.68 LC100 km
Cost / 100 mi26.47 LC100 mi39.71 LC100 mi
Annual fuel used1,410 L372 US gal310 UK gal2,115 L559 US gal465 UK gal
Annual fuel cost2,468 LC/year3,701 LC/year

Head-to-head comparisons

Cadillac CTS III 3.6 V6

  • Has 15 hp more
  • Is 145 kg lighter
  • Has 32 km/h (20 mph) higher top speed
  • Uses 4.7 L/100 km less fuel
  • Has 22 hp/t better power-to-weight
  • Has 298 km (185 mi) more estimated range

Pros

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

Cons

  • Smallest trunk

Cadillac STS 4.6 i V8

  • Has 34 Nm more
  • Has 76 L more trunk volume

Pros

  • Highest torque
  • Largest trunk

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Cadillac CTS III 3.6 V6
Cadillac STS 4.6 i V8
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