Car comparison

Opel Vectra C · Facelift 2005 2.8i V6 24V TurbovsAlfa Romeo 159 3.2 JTS V6

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

New comparison

Opel Vectra C · Facelift 2005

2.8i V6 24V Turbo

230 hp2792 ccGasolineFWDManualTurbochargedSedan2005-2006
VS

Alfa Romeo 159

3.2 JTS V6

260 hp3195 ccGasolineAWDManualNaturally aspiratedSedan2005-2009

Comparison overview

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

Best choices

Opel Vectra C Facelift 2005 2.8i V6 24V Turbo

  • Fastest top speed
    250 km/h
    155 mph
  • Highest torque
    330 Nm
    243 lb-ft
  • Lightest
    1,495 kg
    3,296 lb
  • Lowest combined fuel consumption
    10.9 L/100 km
    21.6 mpg US
    25.9 mpg UK
  • Lowest city consumption
    15.4 L/100 km
    15.3 mpg US
    18.3 mpg UK
  • Lowest highway consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Largest trunk
    500 L
  • Best overall score
    62/100
  • Best economy score
    78/100
  • Best practicality score
    77/100

Alfa Romeo 159 3.2 JTS V6

  • Quickest 0-100 km/h
    7.0 s
  • Most powerful
    260 hp
    194 kW
  • Best power-to-weight
    161 hp/t
    120 kW/t
    6.2 kg/hp
  • Best estimated range
    605 km
    376 mi
  • Best performance score
    57/100

Specification comparison

Specification comparison
ModelOpelVectra CFacelift 20052.8i V6 24V TurboAlfa Romeo1593.2 JTS V6
Power
230hp172kW
260hp194kW
Torque
330Nm243lb-ft
322Nm237lb-ft
Curb weight
1,495kg3,296lb
1,610kg3,549lb
Gross weight
2,040kg4,497lb
2,160kg4,762lb
Top speed
250 km/h
155 mph
244 km/h
152 mph
To 99% top speed
71.0s99% target: 248 km/h / 154 mph
Calculated
65.3s99% target: 242 km/h / 150 mph
Calculated
0-100 km/h
7.3s
7.0s
0-200 km/h
23.9s
Calculated
23.6s
Calculated
0-60 mph
7.0s
Calculated
6.7s
Calculated
Fuel consumption
10.9L/100 km21.6mpg US25.9mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption city
15.4L/100 km15.3mpg US18.3mpg UK
16.7L/100 km14.1mpg US16.9mpg UK
Fuel consumption highway
7.3L/100 km32.2mpg US38.7mpg UK
8.3L/100 km28.3mpg US34.0mpg UK
Quarter mile
15.1s
Calculated
14.9s
Calculated
Power-to-weight
154hp/t115kW/t70hp/1000 lb
Calculated
161hp/t120kW/t73hp/1000 lb
Calculated
Torque-to-weight
221Nm/t148lb-ft/ton
Calculated
200Nm/t134lb-ft/ton
Calculated
Estimated range
560km348mi
Calculated
605km376mi
Calculated
Displacement
2,792cc170cu in
3,195cc195cu in
Length
4,611mm182in
4,660mm183in
Width
1,798mm71in
1,828mm72in
Height
1,460mm57in
1,422mm56in
Wheelbase
2,700mm106in
2,700mm106in
Front track
1,536mm60in
1,578mm62in
Rear track
1,525mm60in
1,555mm61in
Trunk volume-
405L
Max trunk volume
500L
-
Doors
4
4
Seats
5
5
Fuel tank
61L
69L
CO2 emissions-
270g/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.

Opel Vectra C Facelift 2005 2.8i V6 24V TurboAlfa Romeo 159 3.2 JTS V6PowerTorque
  • Opel Vectra C Facelift 2005 2.8i V6 24V Turbo: Power / Torque
  • Alfa Romeo 159 3.2 JTS V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
OpelVectra CFacelift 20052.8i V6 24V Turbo5,500 rpm-5,750 rpm
Alfa Romeo1593.2 JTS V66,300 rpm4,500 rpm6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricOpelVectra CFacelift 20052.8i V6 24V TurboAlfa Romeo1593.2 JTS V6
Acceleration checkpoints
0-60 mph
0-97 km/h
7.0 s
6.7 s
0-100 km/h
0-62 mph
7.3 s
7.0 s
0-200 km/h
0-124 mph
23.9 s
23.6 s
Top speed
250 km/h
155 mph
244 km/h
152 mph
Drag race simulation
60 ft
18 m
2.8 s
2.7 s
330 ft
101 m
6.9 s
6.8 s
1/8 mile
201 m
10.1 s
9.9 s
1000 ft
305 m
12.9 s
12.7 s
1/4 mile
402 m
15.1 s
14.9 s
Trap speed
1/4 mile
402 m
161 km/h
100 mph
163 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
OpelVectra CFacelift 20052.8i V6 24V Turbo
230 hp
172 kW
Alfa Romeo1593.2 JTS V6
260 hp
194 kW

Alfa Romeo 159 3.2 JTS V6 has 30 hp more than Opel Vectra C Facelift 2005 2.8i V6 24V Turbo.

The biggest power difference is between Opel Vectra C Facelift 2005 2.8i V6 24V Turbo and Alfa Romeo 159 3.2 JTS V6: 30 hp (22 kW).

Torque comparison

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

Chart data table
VehicleValue
OpelVectra CFacelift 20052.8i V6 24V Turbo
330 Nm
243 lb-ft
Alfa Romeo1593.2 JTS V6
322 Nm
237 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
OpelVectra CFacelift 20052.8i V6 24V Turbo
1,495 kg
3,296 lb
Alfa Romeo1593.2 JTS V6
1,610 kg
3,549 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
OpelVectra CFacelift 20052.8i V6 24V Turbo
250 km/h
155 mph
Alfa Romeo1593.2 JTS V6
244 km/h
152 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
OpelVectra CFacelift 20052.8i V6 24V Turbo7.3 s
Alfa Romeo1593.2 JTS V67.0 s

The biggest 0-100 km/h difference is between Alfa Romeo 159 3.2 JTS V6 and Opel Vectra C Facelift 2005 2.8i V6 24V Turbo: 0.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
OpelVectra CFacelift 20052.8i V6 24V Turbo
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Alfa Romeo1593.2 JTS V6
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

The biggest fuel consumption difference is between Opel Vectra C Facelift 2005 2.8i V6 24V Turbo and Alfa Romeo 159 3.2 JTS V6: 0.5 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
OpelVectra CFacelift 20052.8i V6 24V Turbo
154 hp/t
115 kW/t
6.5 kg/hp
Alfa Romeo1593.2 JTS V6
161 hp/t
120 kW/t
6.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
OpelVectra CFacelift 20052.8i V6 24V Turbo
560 km
348 mi
Alfa Romeo1593.2 JTS V6
605 km
376 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
OpelVectra CFacelift 20052.8i V6 24V Turbo
230 hp
172 kW
7.3 s
250 km/h
155 mph
Alfa Romeo1593.2 JTS V6
260 hp
194 kW
7.0 s
244 km/h
152 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
OpelVectra CFacelift 20052.8i V6 24V Turbo
Power
230 hp
172 kW
0-100 km/h7.3 s
Top speed
250 km/h
155 mph
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,611 mm
181.5 in
Height
1,460 mm
57.5 in
Alfa Romeo1593.2 JTS V6
Power
260 hp
194 kW
0-100 km/h7.0 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

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
OpelVectra CFacelift 20052.8i V6 24V Turbo
Power
230 hp
172 kW
0-100 km/h7.3 s
Top speed
250 km/h
155 mph
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Alfa Romeo1593.2 JTS V6
Power
260 hp
194 kW
0-100 km/h7.0 s
Top speed
244 km/h
152 mph
11.4 L/100 km
20.6 mpg US
24.8 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
OpelVectra CFacelift 20052.8i V6 24V Turbo
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
7.3 s
Alfa Romeo1593.2 JTS V6
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
7.0 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
OpelVectra CFacelift 20052.8i V6 24V Turbo
154 hp/t
115 kW/t
6.5 kg/hp
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Alfa Romeo1593.2 JTS V6
161 hp/t
120 kW/t
6.2 kg/hp
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleOpelVectra CFacelift 20052.8i V6 24V TurboAlfa Romeo1593.2 JTS V6
Power
230 hp
172 kW
260 hp
194 kW
Torque
330 Nm
243 lb-ft
322 Nm
237 lb-ft
Acceleration
7.3 s
7.0 s
Top speed
250 km/h
155 mph
244 km/h
152 mph
Lightness
1,495 kg
3,296 lb
1,610 kg
3,549 lb
Fuel consumption
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,611 mm
181.5 in
Height
1,460 mm
57.5 in
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
Range score
560 km
348 mi
605 km
376 mi
CO2 score
-
270 g/km
Trunk score
500 L
17.7 cu ft
405 L
14.3 cu ft
Power-to-weight score
154 hp/t
115 kW/t
6.5 kg/hp
161 hp/t
120 kW/t
6.2 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
VehicleOpel Vectra C Facelift 2005 2.8i V6 24V TurboAlfa Romeo 159 3.2 JTS V6
Consumption10.9 L/100 km21.6 mpg US25.9 mpg UK11.4 L/100 km20.6 mpg US24.8 mpg UK
Cost / 100 km19.08 LC100 km19.95 LC100 km
Cost / 100 mi30.70 LC100 mi32.11 LC100 mi
Annual fuel used1,635 L432 US gal360 UK gal1,710 L452 US gal376 UK gal
Annual fuel cost2,861 LC/year2,993 LC/year

Head-to-head comparisons

Opel Vectra C Facelift 2005 2.8i V6 24V Turbo

  • Has 8 Nm more
  • Is 115 kg lighter
  • Has 6 km/h (4 mph) higher top speed
  • Uses 0.5 L/100 km less fuel
  • Has 95 L more trunk volume

Pros

  • Highest top speed
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Alfa Romeo 159 3.2 JTS V6

  • Has 30 hp more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 8 hp/t better power-to-weight
  • Has 46 km (28 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Opel Vectra C 2.8i V6 24V Turbo
Alfa Romeo 159 3.2 JTS V6
Compare selected cars
2 vehicles selected

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