Car comparison

Alfa Romeo 159 3.2 JTS V6vsCadillac STS 3.6 i V6

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

New comparison

Alfa Romeo 159

3.2 JTS V6

260 hp3195 ccGasolineAWDAutomaticNaturally aspiratedSedan2007-2010
VS

Cadillac STS

3.6 i V6

258 hp3564 ccGasolineRWDAutomaticNaturally aspiratedSedan2004-2011

Comparison overview

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

Best choices

Alfa Romeo 159 3.2 JTS V6

  • Quickest 0-100 km/h
    7.2 s
  • Fastest top speed
    244 km/h
    152 mph
  • Most powerful
    260 hp
    194 kW
  • Lightest
    1,630 kg
    3,594 lb
  • Best power-to-weight
    160 hp/t
    119 kW/t
    6.3 kg/hp
  • Lowest combined fuel consumption
    12.1 L/100 km
    19.4 mpg US
    23.3 mpg UK
  • Lowest highway consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Best estimated range
    570 km
    354 mi
  • Best overall score
    61/100
  • Best performance score
    56/100
  • Best economy score
    74/100

Cadillac STS 3.6 i V6

  • Highest torque
    346 Nm
    255 lb-ft
  • Lowest city consumption
    18.1 L/100 km
    13.0 mpg US
    15.6 mpg UK
  • Lowest CO2 emissions
    285 g/km
  • Largest trunk
    464 L
  • Best practicality score
    74/100

Specification comparison

Specification comparison
ModelAlfa Romeo1593.2 JTS V6CadillacSTS3.6 i V6
Power
260hp194kW
258hp192kW
Torque
322Nm237lb-ft
346Nm255lb-ft
Curb weight
1,630kg3,594lb
1,782kg3,929lb
Gross weight
2,180kg4,806lb
-
Top speed
244 km/h
152 mph
229 km/h
142 mph
To 99% top speed
67.1s99% target: 242 km/h / 150 mph
Calculated
66.2s99% target: 227 km/h / 141 mph
Calculated
0-100 km/h
7.2s
7.4s
0-200 km/h
24.2s
Calculated
28.5s
Calculated
0-60 mph
6.9s
Calculated
7.0s
Calculated
Fuel consumption
12.1L/100 km19.4mpg US23.3mpg UK
12.2L/100 km19.3mpg US23.2mpg UK
Fuel consumption city
18.2L/100 km12.9mpg US15.5mpg UK
18.1L/100 km13mpg US15.6mpg UK
Fuel consumption highway
8.5L/100 km27.7mpg US33.2mpg UK
8.7L/100 km27mpg US32.5mpg UK
Quarter mile
15.1s
Calculated
15.3s
Calculated
Power-to-weight
160hp/t119kW/t72hp/1000 lb
Calculated
145hp/t108kW/t66hp/1000 lb
Calculated
Torque-to-weight
198Nm/t132lb-ft/ton
Calculated
194Nm/t130lb-ft/ton
Calculated
Estimated range
570km354mi
Calculated
541km336mi
Calculated
Displacement
3,195cc195cu in
3,564cc217cu in
Length
4,660mm183in
4,985mm196in
Width
1,828mm72in
1,843mm73in
Height
1,422mm56in
1,464mm58in
Wheelbase
2,700mm106in
2,957mm116in
Front track
1,578mm62in
1,596mm63in
Rear track
1,555mm61in
1,581mm62in
Trunk volume
405L
464L
Doors
4
4
Seats
5
5
Fuel tank
69L
66L
CO2 emissions
286g/km
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.

Alfa Romeo 159 3.2 JTS V6Cadillac STS 3.6 i V6PowerTorque
  • Alfa Romeo 159 3.2 JTS V6: Power / Torque
  • Cadillac STS 3.6 i V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Alfa Romeo1593.2 JTS V66,300 rpm4,500 rpm6,550 rpm
CadillacSTS3.6 i V66,200 rpm3,200 rpm6,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlfa Romeo1593.2 JTS V6CadillacSTS3.6 i V6
Acceleration checkpoints
0-60 mph
0-97 km/h
6.9 s
7.0 s
0-100 km/h
0-62 mph
7.2 s
7.4 s
0-200 km/h
0-124 mph
24.2 s
28.5 s
Top speed
244 km/h
152 mph
229 km/h
142 mph
Drag race simulation
60 ft
18 m
2.7 s
2.7 s
330 ft
101 m
6.9 s
6.9 s
1/8 mile
201 m
10.1 s
10.2 s
1000 ft
305 m
12.8 s
13.0 s
1/4 mile
402 m
15.1 s
15.3 s
Trap speed
1/4 mile
402 m
161 km/h
100 mph
156 km/h
97 mph

Power comparison

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

Chart data table
VehicleValue
Alfa Romeo1593.2 JTS V6
260 hp
194 kW
CadillacSTS3.6 i V6
258 hp
192 kW

Alfa Romeo 159 3.2 JTS V6 has 2 hp more than Cadillac STS 3.6 i V6.

The biggest power difference is between Cadillac STS 3.6 i V6 and Alfa Romeo 159 3.2 JTS V6: 2 hp (1 kW).

Torque comparison

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

Chart data table
VehicleValue
Alfa Romeo1593.2 JTS V6
322 Nm
237 lb-ft
CadillacSTS3.6 i V6
346 Nm
255 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Alfa Romeo1593.2 JTS V6
1,630 kg
3,594 lb
CadillacSTS3.6 i V6
1,782 kg
3,929 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Alfa Romeo1593.2 JTS V6
244 km/h
152 mph
CadillacSTS3.6 i V6
229 km/h
142 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Alfa Romeo1593.2 JTS V67.2 s
CadillacSTS3.6 i V67.4 s

The biggest 0-100 km/h difference is between Alfa Romeo 159 3.2 JTS V6 and Cadillac STS 3.6 i V6: 0.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Alfa Romeo1593.2 JTS V6
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
CadillacSTS3.6 i V6
12.2 L/100 km
19.3 mpg US
23.2 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
Alfa Romeo1593.2 JTS V6
160 hp/t
119 kW/t
6.3 kg/hp
CadillacSTS3.6 i V6
145 hp/t
108 kW/t
6.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Alfa Romeo1593.2 JTS V6
570 km
354 mi
CadillacSTS3.6 i V6
541 km
336 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Alfa Romeo1593.2 JTS V6
260 hp
194 kW
7.2 s
244 km/h
152 mph
CadillacSTS3.6 i V6
258 hp
192 kW
7.4 s
229 km/h
142 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
Alfa Romeo1593.2 JTS V6
Power
260 hp
194 kW
0-100 km/h7.2 s
Top speed
244 km/h
152 mph
Doors/seats
4 doors
5 seats
Trunk
405 L
14.3 cu ft
Length
4,660 mm
183.5 in
Height
1,422 mm
56.0 in
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

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
Alfa Romeo1593.2 JTS V6
Power
260 hp
194 kW
0-100 km/h7.2 s
Top speed
244 km/h
152 mph
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
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

Alfa Romeo 159 3.2 JTS 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
Alfa Romeo1593.2 JTS V6
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
7.2 s
CadillacSTS3.6 i V6
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
7.4 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
Alfa Romeo1593.2 JTS V6
160 hp/t
119 kW/t
6.3 kg/hp
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleAlfa Romeo1593.2 JTS V6CadillacSTS3.6 i V6
Power
260 hp
194 kW
258 hp
192 kW
Torque
322 Nm
237 lb-ft
346 Nm
255 lb-ft
Acceleration
7.2 s
7.4 s
Top speed
244 km/h
152 mph
229 km/h
142 mph
Lightness
1,630 kg
3,594 lb
1,782 kg
3,929 lb
Fuel consumption
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
405 L
14.3 cu ft
Length
4,660 mm
183.5 in
Height
1,422 mm
56.0 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
570 km
354 mi
541 km
336 mi
CO2 score
286 g/km
285 g/km
Trunk score
405 L
14.3 cu ft
464 L
16.4 cu ft
Power-to-weight score
160 hp/t
119 kW/t
6.3 kg/hp
145 hp/t
108 kW/t
6.9 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
VehicleAlfa Romeo 159 3.2 JTS V6Cadillac STS 3.6 i V6
Consumption12.1 L/100 km19.4 mpg US23.3 mpg UK12.2 L/100 km19.3 mpg US23.2 mpg UK
Cost / 100 km21.18 LC100 km21.35 LC100 km
Cost / 100 mi34.08 LC100 mi34.36 LC100 mi
Annual fuel used1,815 L479 US gal399 UK gal1,830 L483 US gal403 UK gal
Annual fuel cost3,176 LC/year3,203 LC/year

Head-to-head comparisons

Alfa Romeo 159 3.2 JTS V6

  • Has 2 hp more
  • Is 152 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 15 km/h (9 mph) higher top speed
  • Uses 0.1 L/100 km less fuel
  • Has 15 hp/t better power-to-weight
  • Has 29 km (18 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
  • Highest CO2 emissions

Cadillac STS 3.6 i V6

  • Has 24 Nm more
  • Has 59 L more trunk volume
  • Emits 1 g/km less CO2

Pros

  • Highest torque
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alfa Romeo 159 3.2 JTS V6
Cadillac STS 3.6 i V6
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Alfa Romeo 159 3.2 JTS V6 vs Cadillac STS 3.6 i V6 - car comparison - FastVsFaster