Car comparison

Cadillac STS 3.6 i V6vsCadillac XTS 28T

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

New comparison

Cadillac STS

3.6 i V6

258 hp3564 ccGasolineRWDAutomaticNaturally aspiratedSedan2004-2011
VS

Cadillac XTS

28T

269 hp1998 ccGasolineFWDAutomaticTurbochargedSedan2013-2017

Comparison overview

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

Best choices

Cadillac XTS 28T

  • Most powerful
    269 hp
    201 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Best power-to-weight
    146 hp/t
    109 kW/t
    6.8 kg/hp
  • Lowest combined fuel consumption
    8.7 L/100 km
    27.0 mpg US
    32.5 mpg UK
  • Lowest city consumption
    12.2 L/100 km
    19.3 mpg US
    23.2 mpg UK
  • Lowest highway consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Best estimated range
    805 km
    500 mi
  • Largest trunk
    537 L
  • Best economy score
    83/100
  • Best practicality score
    77/100

Cadillac STS 3.6 i V6

  • Quickest 0-100 km/h
    7.4 s
  • Fastest top speed
    229 km/h
    142 mph
  • Lightest
    1,782 kg
    3,929 lb
  • Best overall score
    60/100
  • Best performance score
    53/100

Specification comparison

Specification comparison
ModelCadillacSTS3.6 i V6CadillacXTS28T
Power
258hp192kW
269hp201kW
Torque
346Nm255lb-ft
400Nm295lb-ft
Curb weight
1,782kg3,929lb
1,840kg4,057lb
Gross weight-
2,260kg4,982lb
Top speed
229 km/h
142 mph
218 km/h
135 mph
To 99% top speed
66.2s99% target: 227 km/h / 141 mph
Calculated
66.6s99% target: 216 km/h / 134 mph
Calculated
0-100 km/h
7.4s
8.0s
0-200 km/h
28.5s
Calculated
35.0s
Calculated
0-60 mph
7.0s
Calculated
7.6s
Calculated
Fuel consumption
12.2L/100 km19.3mpg US23.2mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption city
18.1L/100 km13mpg US15.6mpg UK
12.2L/100 km19.3mpg US23.2mpg UK
Fuel consumption highway
8.7L/100 km27mpg US32.5mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Quarter mile
15.3s
Calculated
15.8s
Calculated
Power-to-weight
145hp/t108kW/t66hp/1000 lb
Calculated
146hp/t109kW/t66hp/1000 lb
Calculated
Torque-to-weight
194Nm/t130lb-ft/ton
Calculated
217Nm/t145lb-ft/ton
Calculated
Estimated range
541km336mi
Calculated
805km500mi
Calculated
Displacement
3,564cc217cu in
1,998cc122cu in
Length
4,985mm196in
5,131mm202in
Width
1,843mm73in
1,852mm73in
Height
1,464mm58in
1,511mm59in
Wheelbase
2,957mm116in
2,837mm112in
Front track
1,596mm63in
1,580mm62in
Rear track
1,581mm62in
1,591mm63in
Ground clearance-
137mm5in
Trunk volume
464L
537L
Doors
4
4
Seats
5
5
Fuel tank
66L
70L
CO2 emissions
285g/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 STS 3.6 i V6Cadillac XTS 28TPowerTorque
  • Cadillac STS 3.6 i V6: Power / Torque
  • Cadillac XTS 28T: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
CadillacSTS3.6 i V66,200 rpm3,200 rpm6,450 rpm
CadillacXTS28T5,500 rpm2,400-4,400 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricCadillacSTS3.6 i V6CadillacXTS28T
Acceleration checkpoints
0-60 mph
0-97 km/h
7.0 s
7.6 s
0-100 km/h
0-62 mph
7.4 s
8.0 s
0-200 km/h
0-124 mph
28.5 s
35.0 s
Top speed
229 km/h
142 mph
218 km/h
135 mph
Drag race simulation
60 ft
18 m
2.7 s
2.8 s
330 ft
101 m
6.9 s
7.1 s
1/8 mile
201 m
10.2 s
10.5 s
1000 ft
305 m
13.0 s
13.4 s
1/4 mile
402 m
15.3 s
15.8 s
Trap speed
1/4 mile
402 m
156 km/h
97 mph
151 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
CadillacSTS3.6 i V6
258 hp
192 kW
CadillacXTS28T
269 hp
201 kW

Cadillac XTS 28T has 11 hp more than Cadillac STS 3.6 i V6.

The biggest power difference is between Cadillac STS 3.6 i V6 and Cadillac XTS 28T: 11 hp (8 kW).

Torque comparison

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

Chart data table
VehicleValue
CadillacSTS3.6 i V6
346 Nm
255 lb-ft
CadillacXTS28T
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
CadillacSTS3.6 i V6
1,782 kg
3,929 lb
CadillacXTS28T
1,840 kg
4,057 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
CadillacSTS3.6 i V6
229 km/h
142 mph
CadillacXTS28T
218 km/h
135 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
CadillacSTS3.6 i V67.4 s
CadillacXTS28T8.0 s

Although Cadillac XTS 28T has more power, Cadillac STS 3.6 i V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Cadillac STS 3.6 i V6 and Cadillac XTS 28T: 0.6 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
CadillacSTS3.6 i V6
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
CadillacXTS28T
8.7 L/100 km
27.0 mpg US
32.5 mpg UK

The biggest fuel consumption difference is between Cadillac XTS 28T and Cadillac STS 3.6 i V6: 3.5 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
CadillacSTS3.6 i V6
145 hp/t
108 kW/t
6.9 kg/hp
CadillacXTS28T
146 hp/t
109 kW/t
6.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
CadillacSTS3.6 i V6
541 km
336 mi
CadillacXTS28T
805 km
500 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
CadillacSTS3.6 i V6
258 hp
192 kW
7.4 s
229 km/h
142 mph
CadillacXTS28T
269 hp
201 kW
8.0 s
218 km/h
135 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
CadillacSTS3.6 i V6
Power
258 hp
192 kW
0-100 km/h7.4 s
Top speed
229 km/h
142 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
CadillacXTS28T
Power
269 hp
201 kW
0-100 km/h8.0 s
Top speed
218 km/h
135 mph
Doors/seats
4 doors
5 seats
Trunk
537 L
19.0 cu ft
Length
5,131 mm
202.0 in
Height
1,511 mm
59.5 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
CadillacSTS3.6 i V6
Power
258 hp
192 kW
0-100 km/h7.4 s
Top speed
229 km/h
142 mph
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
CadillacXTS28T
Power
269 hp
201 kW
0-100 km/h8.0 s
Top speed
218 km/h
135 mph
8.7 L/100 km
27.0 mpg US
32.5 mpg UK

Cadillac XTS 28T 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
CadillacSTS3.6 i V6
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
7.4 s
CadillacXTS28T
8.7 L/100 km
27.0 mpg US
32.5 mpg UK
8.0 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
CadillacSTS3.6 i V6
145 hp/t
108 kW/t
6.9 kg/hp
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
CadillacXTS28T
146 hp/t
109 kW/t
6.8 kg/hp
8.7 L/100 km
27.0 mpg US
32.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleCadillacSTS3.6 i V6CadillacXTS28T
Power
258 hp
192 kW
269 hp
201 kW
Torque
346 Nm
255 lb-ft
400 Nm
295 lb-ft
Acceleration
7.4 s
8.0 s
Top speed
229 km/h
142 mph
218 km/h
135 mph
Lightness
1,782 kg
3,929 lb
1,840 kg
4,057 lb
Fuel consumption
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
8.7 L/100 km
27.0 mpg US
32.5 mpg UK
Practicality
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
Doors/seats
4 doors
5 seats
Trunk
537 L
19.0 cu ft
Length
5,131 mm
202.0 in
Height
1,511 mm
59.5 in
Range score
541 km
336 mi
805 km
500 mi
CO2 score
285 g/km
-
Trunk score
464 L
16.4 cu ft
537 L
19.0 cu ft
Power-to-weight score
145 hp/t
108 kW/t
6.9 kg/hp
146 hp/t
109 kW/t
6.8 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
VehicleCadillac STS 3.6 i V6Cadillac XTS 28T
Consumption12.2 L/100 km19.3 mpg US23.2 mpg UK8.7 L/100 km27 mpg US32.5 mpg UK
Cost / 100 km21.35 LC100 km15.22 LC100 km
Cost / 100 mi34.36 LC100 mi24.50 LC100 mi
Annual fuel used1,830 L483 US gal403 UK gal1,305 L345 US gal287 UK gal
Annual fuel cost3,203 LC/year2,284 LC/year

Head-to-head comparisons

Cadillac STS 3.6 i V6

  • Is 58 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 11 km/h (7 mph) higher top speed

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk

Cadillac XTS 28T

  • Has 11 hp more
  • Has 54 Nm more
  • Uses 3.5 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 264 km (164 mi) more estimated range
  • Has 73 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed

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Cadillac STS 3.6 i V6
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