Car comparison

AUDI A8 (D3/4E) · Facelift 2007 4.2 BiTDI V8vsOpel Insignia Sedan (A) OPC 2.8 V6 Turbo

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

New comparison

AUDI A8 (D3/4E) · Facelift 2007

4.2 BiTDI V8

326 hp4134 ccDieselAWDAutomaticTwin-turboSedan2007-2009
VS

Opel Insignia Sedan (A)

OPC 2.8 V6 Turbo

325 hp2792 ccGasolineAWDManualTurbochargedSedan2009-2013

Comparison overview

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

Best choices

AUDI A8 (D3/4E) Facelift 2007 4.2 BiTDI V8

  • Quickest 0-100 km/h
    5.9 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    326 hp
    243 kW
  • Highest torque
    650 Nm
    479 lb-ft
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    13.3 L/100 km
    17.7 mpg US
    21.2 mpg UK
  • Lowest highway consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Lowest CO2 emissions
    249 g/km
  • Best estimated range
    957 km
    595 mi
  • Largest trunk
    500 L
  • Best overall score
    72/100
  • Best performance score
    70/100
  • Best economy score
    82/100
  • Best practicality score
    76/100

Specification comparison

Specification comparison
ModelAUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
Power
326hp243kW
325hp242kW
Torque
650Nm479lb-ft
435Nm321lb-ft
Curb weight
1,945kg4,288lb
1,810kg3,990lb
Gross weight
2,545kg5,611lb
2,315kg5,104lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
61.9s99% target: 262 km/h / 163 mph
Calculated
61.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.9s
6.0s
0-200 km/h
18.2s
Calculated
18.3s
Calculated
0-60 mph
5.6s
Calculated
5.7s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption city
13.3L/100 km17.7mpg US21.2mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway
7.2L/100 km32.7mpg US39.2mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
13.8s
Calculated
13.9s
Calculated
Power-to-weight
168hp/t125kW/t76hp/1000 lb
Calculated
180hp/t134kW/t81hp/1000 lb
Calculated
Torque-to-weight
334Nm/t224lb-ft/ton
Calculated
240Nm/t161lb-ft/ton
Calculated
Estimated range
957km595mi
Calculated
614km382mi
Calculated
Displacement
4,134cc252cu in
2,792cc170cu in
Length
5,062mm199in
4,830mm190in
Width
1,894mm75in
1,858mm73in
Height
1,444mm57in
1,498mm59in
Wheelbase
2,944mm116in
2,737mm108in
Front track
1,629mm64in
1,585mm62in
Rear track
1,615mm64in
1,587mm62in
Trunk volume
500L
500L
Max trunk volume-
1,010L
Doors
4
4
Seats
5
5
Fuel tank
90L
70L
CO2 emissions
249g/km
249g/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.

AUDI A8 (D3/4E) Facelift 2007 4.2 BiTDI V8Opel Insignia Sedan (A) OPC 2.8 V6 TurboPowerTorque
  • AUDI A8 (D3/4E) Facelift 2007 4.2 BiTDI V8: Power / Torque
  • Opel Insignia Sedan (A) OPC 2.8 V6 Turbo: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V83,750 rpm1,600-3,500 rpm4,000 rpm
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo5,250 rpm5,250 rpm5,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
Acceleration checkpoints
0-60 mph
0-97 km/h
5.6 s
5.7 s
0-100 km/h
0-62 mph
5.9 s
6.0 s
0-200 km/h
0-124 mph
18.2 s
18.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.3 s
6.3 s
1/8 mile
201 m
9.2 s
9.3 s
1000 ft
305 m
11.8 s
11.8 s
1/4 mile
402 m
13.8 s
13.9 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
175 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
326 hp
243 kW
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
325 hp
242 kW

AUDI A8 (D3/4E) Facelift 2007 4.2 BiTDI V8 has 1 hp more than Opel Insignia Sedan (A) OPC 2.8 V6 Turbo.

The biggest power difference is between Opel Insignia Sedan (A) OPC 2.8 V6 Turbo and AUDI A8 (D3/4E) Facelift 2007 4.2 BiTDI V8: 1 hp (1 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
650 Nm
479 lb-ft
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
435 Nm
321 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
1,945 kg
4,288 lb
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
1,810 kg
3,990 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V85.9 s
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo6.0 s

The biggest 0-100 km/h difference is between AUDI A8 (D3/4E) Facelift 2007 4.2 BiTDI V8 and Opel Insignia Sedan (A) OPC 2.8 V6 Turbo: 0.1 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

The biggest fuel consumption difference is between AUDI A8 (D3/4E) Facelift 2007 4.2 BiTDI V8 and Opel Insignia Sedan (A) OPC 2.8 V6 Turbo: 2.0 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
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
168 hp/t
125 kW/t
6.0 kg/hp
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
180 hp/t
134 kW/t
5.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
957 km
595 mi
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
614 km
382 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
326 hp
243 kW
5.9 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
325 hp
242 kW
6.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
Power
326 hp
243 kW
0-100 km/h5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
5,062 mm
199.3 in
Height
1,444 mm
56.9 in
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
Power
325 hp
242 kW
0-100 km/h6.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,830 mm
190.2 in
Height
1,498 mm
59.0 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
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
Power
326 hp
243 kW
0-100 km/h5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
Power
325 hp
242 kW
0-100 km/h6.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

AUDI A8 (D3/4E) Facelift 2007 4.2 BiTDI V8 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
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
5.9 s
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
6.0 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
AUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8
168 hp/t
125 kW/t
6.0 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
180 hp/t
134 kW/t
5.6 kg/hp
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA8 (D3/4E)Facelift 20074.2 BiTDI V8OpelInsignia Sedan (A)OPC 2.8 V6 Turbo
Power
326 hp
243 kW
325 hp
242 kW
Torque
650 Nm
479 lb-ft
435 Nm
321 lb-ft
Acceleration
5.9 s
6.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,945 kg
4,288 lb
1,810 kg
3,990 lb
Fuel consumption
9.4 L/100 km
25.0 mpg US
30.1 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
5,062 mm
199.3 in
Height
1,444 mm
56.9 in
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,830 mm
190.2 in
Height
1,498 mm
59.0 in
Range score
957 km
595 mi
614 km
382 mi
CO2 score
249 g/km
249 g/km
Trunk score
500 L
17.7 cu ft
500 L
17.7 cu ft
Power-to-weight score
168 hp/t
125 kW/t
6.0 kg/hp
180 hp/t
134 kW/t
5.6 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 A8 (D3/4E) Facelift 2007 4.2 BiTDI V8Opel Insignia Sedan (A) OPC 2.8 V6 Turbo
Consumption9.4 L/100 km25 mpg US30.1 mpg UK11.4 L/100 km20.6 mpg US24.8 mpg UK
Cost / 100 km16.45 LC100 km19.95 LC100 km
Cost / 100 mi26.47 LC100 mi32.11 LC100 mi
Annual fuel used1,410 L372 US gal310 UK gal1,710 L452 US gal376 UK gal
Annual fuel cost2,468 LC/year2,993 LC/year

Head-to-head comparisons

AUDI A8 (D3/4E) Facelift 2007 4.2 BiTDI V8

  • Has 1 hp more
  • Has 215 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 2.0 L/100 km less fuel
  • Has 343 km (213 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A8 (D3/4E) 4.2 BiTDI V8
Opel Insignia Sedan (A) OPC 2.8 V6 Turbo
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2 vehicles selected

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