Car comparison

AUDI A3 (8P) · Facelift 2008 3.2 V6vsOpel Signum · Facelift 2005 2.8i V6 24V Turbo

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

New comparison

AUDI A3 (8P) · Facelift 2008

3.2 V6

250 hp3189 ccGasolineAWDAutomaticNaturally aspiratedHatchback2008-2009
VS

Opel Signum · Facelift 2005

2.8i V6 24V Turbo

250 hp2792 ccGasolineFWDManualTurbochargedHatchback2006-2008

Comparison overview

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

Best choices

AUDI A3 (8P) Facelift 2008 3.2 V6

  • Quickest 0-100 km/h
    6.4 s
  • Fastest top speed
    250 km/h
    155 mph
  • Most powerful
    250 hp
    186 kW
  • Lightest
    1,510 kg
    3,329 lb
  • Best power-to-weight
    166 hp/t
    123 kW/t
    6.0 kg/hp
  • Lowest city consumption
    13.0 L/100 km
    18.1 mpg US
    21.7 mpg UK
  • Lowest highway consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Best performance score
    58/100
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelAUDIA3 (8P)Facelift 20083.2 V6OpelSignumFacelift 20052.8i V6 24V Turbo
Power
250hp186kW
250hp186kW
Torque
320Nm236lb-ft
350Nm258lb-ft
Curb weight
1,510kg3,329lb
1,580kg3,483lb
Gross weight
2,070kg4,564lb
2,175kg4,795lb
Top speed
250 km/h
155 mph
250 km/h
155 mph
To 99% top speed
78.4s99% target: 248 km/h / 154 mph
Calculated
90.7s99% target: 248 km/h / 154 mph
Calculated
0-100 km/h
6.4s
7.2s
0-200 km/h
23.7s
Calculated
27.0s
Calculated
0-60 mph
6.1s
Calculated
6.8s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
-
Fuel consumption city
13L/100 km18.1mpg US21.7mpg UK
15.7L/100 km15mpg US18.0mpg UK
Fuel consumption highway
7.3L/100 km32.2mpg US38.7mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Quarter mile
14.4s
Calculated
15.1s
Calculated
Power-to-weight
166hp/t123kW/t75hp/1000 lb
Calculated
158hp/t118kW/t72hp/1000 lb
Calculated
Torque-to-weight
212Nm/t142lb-ft/ton
Calculated
222Nm/t148lb-ft/ton
Calculated
Estimated range
638km397mi
Calculated
-
Displacement
3,189cc195cu in
2,792cc170cu in
Length
4,238mm167in
4,651mm183in
Width
1,765mm69in
1,798mm71in
Height
1,421mm56in
1,466mm58in
Wheelbase
2,578mm101in
2,830mm111in
Front track
1,534mm60in
1,536mm60in
Rear track
1,507mm59in
1,525mm60in
Trunk volume
280L
365L
Max trunk volume
1,010L
1,410L
Doors
3
5
Seats
5
5
Fuel tank
60L
60L

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.

AUDI A3 (8P) Facelift 2008 3.2 V6Opel Signum Facelift 2005 2.8i V6 24V TurboPowerTorque
  • AUDI A3 (8P) Facelift 2008 3.2 V6: Power / Torque
  • Opel Signum Facelift 2005 2.8i V6 24V Turbo: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA3 (8P)Facelift 20083.2 V66,300 rpm2,800-3,200 rpm6,550 rpm
OpelSignumFacelift 20052.8i V6 24V Turbo5,500 rpm-5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA3 (8P)Facelift 20083.2 V6OpelSignumFacelift 20052.8i V6 24V Turbo
Acceleration checkpoints
0-60 mph
0-97 km/h
6.1 s
6.8 s
0-100 km/h
0-62 mph
6.4 s
7.2 s
0-200 km/h
0-124 mph
23.7 s
27.0 s
Top speed
250 km/h
155 mph
250 km/h
155 mph
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
6.3 s
6.6 s
1/8 mile
201 m
9.5 s
9.9 s
1000 ft
305 m
12.2 s
12.8 s
1/4 mile
402 m
14.4 s
15.1 s
Trap speed
1/4 mile
402 m
162 km/h
101 mph
155 km/h
97 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA3 (8P)Facelift 20083.2 V6
250 hp
186 kW
OpelSignumFacelift 20052.8i V6 24V Turbo
250 hp
186 kW

Torque comparison

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

Chart data table
VehicleValue
AUDIA3 (8P)Facelift 20083.2 V6
320 Nm
236 lb-ft
OpelSignumFacelift 20052.8i V6 24V Turbo
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA3 (8P)Facelift 20083.2 V6
1,510 kg
3,329 lb
OpelSignumFacelift 20052.8i V6 24V Turbo
1,580 kg
3,483 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIA3 (8P)Facelift 20083.2 V6
250 km/h
155 mph
OpelSignumFacelift 20052.8i V6 24V Turbo
250 km/h
155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIA3 (8P)Facelift 20083.2 V66.4 s
OpelSignumFacelift 20052.8i V6 24V Turbo7.2 s

The biggest 0-100 km/h difference is between AUDI A3 (8P) Facelift 2008 3.2 V6 and Opel Signum Facelift 2005 2.8i V6 24V Turbo: 0.8 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
AUDIA3 (8P)Facelift 20083.2 V6
166 hp/t
123 kW/t
6.0 kg/hp
OpelSignumFacelift 20052.8i V6 24V Turbo
158 hp/t
118 kW/t
6.3 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA3 (8P)Facelift 20083.2 V6
250 hp
186 kW
6.4 s
250 km/h
155 mph
OpelSignumFacelift 20052.8i V6 24V Turbo
250 hp
186 kW
7.2 s
250 km/h
155 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
AUDIA3 (8P)Facelift 20083.2 V6
Power
250 hp
186 kW
0-100 km/h6.4 s
Top speed
250 km/h
155 mph
Doors/seats
3 doors
5 seats
Trunk
280 L
9.9 cu ft
Length
4,238 mm
166.9 in
Height
1,421 mm
55.9 in
OpelSignumFacelift 20052.8i V6 24V Turbo
Power
250 hp
186 kW
0-100 km/h7.2 s
Top speed
250 km/h
155 mph
Doors/seats
5 doors
5 seats
Trunk
365 L
12.9 cu ft
Length
4,651 mm
183.1 in
Height
1,466 mm
57.7 in

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA3 (8P)Facelift 20083.2 V6OpelSignumFacelift 20052.8i V6 24V Turbo
Power
250 hp
186 kW
250 hp
186 kW
Torque
320 Nm
236 lb-ft
350 Nm
258 lb-ft
Acceleration
6.4 s
7.2 s
Top speed
250 km/h
155 mph
250 km/h
155 mph
Lightness
1,510 kg
3,329 lb
1,580 kg
3,483 lb
Fuel consumption
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
-
Practicality
Doors/seats
3 doors
5 seats
Trunk
280 L
9.9 cu ft
Length
4,238 mm
166.9 in
Height
1,421 mm
55.9 in
Doors/seats
5 doors
5 seats
Trunk
365 L
12.9 cu ft
Length
4,651 mm
183.1 in
Height
1,466 mm
57.7 in
Range score
638 km
397 mi
-
Trunk score
280 L
9.9 cu ft
365 L
12.9 cu ft
Power-to-weight score
166 hp/t
123 kW/t
6.0 kg/hp
158 hp/t
118 kW/t
6.3 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
VehicleAUDI A3 (8P) Facelift 2008 3.2 V6
Consumption9.4 L/100 km25 mpg US30.1 mpg UK
Cost / 100 km16.45 LC100 km
Cost / 100 mi26.47 LC100 mi
Annual fuel used1,410 L372 US gal310 UK gal
Annual fuel cost2,468 LC/year

Head-to-head comparisons

AUDI A3 (8P) Facelift 2008 3.2 V6

  • Is 70 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 7 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A3 (8P) 3.2 V6
Opel Signum 2.8i V6 24V Turbo
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2 vehicles selected

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AUDI A3 (8P) · Facelift 2008 3.2 V6 vs Opel Signum · Facelift 2005 2.8i V6 24V Turbo - car comparison - FastVsFaster