Car comparison

AUDI A8 (D3/4E) · Facelift 2005 4.2 BiTDI V8vsVolkswagen Phaeton 4.2 i V8 40V

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

New comparison

AUDI A8 (D3/4E) · Facelift 2005

4.2 BiTDI V8

326 hp4134 ccDieselAWDAutomaticTwin-turboSedan2005-2007
VS

Volkswagen Phaeton

4.2 i V8 40V

335 hp4172 ccGasolineAWDAutomaticNaturally aspiratedSedan2003-2008

Comparison overview

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

Best choices

AUDI A8 (D3/4E) Facelift 2005 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
  • Highest torque
    650 Nm
    479 lb-ft
  • Lightest
    1,945 kg
    4,288 lb
  • Best power-to-weight
    168 hp/t
    125 kW/t
    6.0 kg/hp
  • Lowest combined fuel consumption
    9.6 L/100 km
    24.5 mpg US
    29.4 mpg UK
  • Lowest city consumption
    13.5 L/100 km
    17.4 mpg US
    20.9 mpg UK
  • Lowest highway consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Best estimated range
    938 km
    583 mi
  • Largest trunk
    500 L
  • Best overall score
    72/100
  • Best performance score
    70/100
  • Best economy score
    81/100
  • Best practicality score
    76/100

Specification comparison

Specification comparison
ModelAUDIA8 (D3/4E)Facelift 20054.2 BiTDI V8VolkswagenPhaeton4.2 i V8 40V
Power
326hp243kW
335hp250kW
Torque
650Nm479lb-ft
430Nm317lb-ft
Curb weight
1,945kg4,288lb
2,205kg4,861lb
Gross weight
2,545kg5,611lb
2,730kg6,019lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
61.9s99% target: 262 km/h / 163 mph
Calculated
76.1s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.9s
6.9s
0-200 km/h
18.2s
Calculated
22.4s
Calculated
0-60 mph
5.6s
Calculated
6.6s
Calculated
Fuel consumption
9.6L/100 km24.5mpg US29.4mpg UK
13L/100 km18.1mpg US21.7mpg UK
Fuel consumption city
13.5L/100 km17.4mpg US20.9mpg UK
18.9L/100 km12.4mpg US14.9mpg UK
Fuel consumption highway
7.3L/100 km32.2mpg US38.7mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Quarter mile
13.8s
Calculated
14.8s
Calculated
Power-to-weight
168hp/t125kW/t76hp/1000 lb
Calculated
152hp/t113kW/t69hp/1000 lb
Calculated
Torque-to-weight
334Nm/t224lb-ft/ton
Calculated
195Nm/t130lb-ft/ton
Calculated
Estimated range
938km583mi
Calculated
692km430mi
Calculated
Displacement
4,134cc252cu in
4,172cc255cu in
Length
5,062mm199in
5,055mm199in
Width
1,894mm75in
1,903mm75in
Height
1,444mm57in
1,450mm57in
Wheelbase
2,944mm116in
2,881mm113in
Front track
1,629mm64in
1,628mm64in
Rear track
1,615mm64in
1,612mm63in
Trunk volume
500L
500L
Doors
4
4
Seats
5
4
Fuel tank
90L
90L
CO2 emissions
258g/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 2005 4.2 BiTDI V8Volkswagen Phaeton 4.2 i V8 40VPowerTorque
  • AUDI A8 (D3/4E) Facelift 2005 4.2 BiTDI V8: Power / Torque
  • Volkswagen Phaeton 4.2 i V8 40V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA8 (D3/4E)Facelift 20054.2 BiTDI V83,750 rpm1,600-3,500 rpm4,000 rpm
VolkswagenPhaeton4.2 i V8 40V6,500 rpm3,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA8 (D3/4E)Facelift 20054.2 BiTDI V8VolkswagenPhaeton4.2 i V8 40V
Acceleration checkpoints
0-60 mph
0-97 km/h
5.6 s
6.6 s
0-100 km/h
0-62 mph
5.9 s
6.9 s
0-200 km/h
0-124 mph
18.2 s
22.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.5 s
2.6 s
330 ft
101 m
6.3 s
6.7 s
1/8 mile
201 m
9.2 s
9.9 s
1000 ft
305 m
11.8 s
12.6 s
1/4 mile
402 m
13.8 s
14.8 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
164 km/h
102 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20054.2 BiTDI V8
326 hp
243 kW
VolkswagenPhaeton4.2 i V8 40V
335 hp
250 kW

Volkswagen Phaeton 4.2 i V8 40V has 9 hp more than AUDI A8 (D3/4E) Facelift 2005 4.2 BiTDI V8.

The biggest power difference is between AUDI A8 (D3/4E) Facelift 2005 4.2 BiTDI V8 and Volkswagen Phaeton 4.2 i V8 40V: 9 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20054.2 BiTDI V8
650 Nm
479 lb-ft
VolkswagenPhaeton4.2 i V8 40V
430 Nm
317 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20054.2 BiTDI V8
1,945 kg
4,288 lb
VolkswagenPhaeton4.2 i V8 40V
2,205 kg
4,861 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 20054.2 BiTDI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
VolkswagenPhaeton4.2 i V8 40V
Unrestricted
260 km/h162 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 20054.2 BiTDI V85.9 s
VolkswagenPhaeton4.2 i V8 40V6.9 s

Although Volkswagen Phaeton 4.2 i V8 40V has more power, AUDI A8 (D3/4E) Facelift 2005 4.2 BiTDI V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI A8 (D3/4E) Facelift 2005 4.2 BiTDI V8 and Volkswagen Phaeton 4.2 i V8 40V: 1.0 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 20054.2 BiTDI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
VolkswagenPhaeton4.2 i V8 40V
13.0 L/100 km
18.1 mpg US
21.7 mpg UK

The biggest fuel consumption difference is between AUDI A8 (D3/4E) Facelift 2005 4.2 BiTDI V8 and Volkswagen Phaeton 4.2 i V8 40V: 3.4 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 20054.2 BiTDI V8
168 hp/t
125 kW/t
6.0 kg/hp
VolkswagenPhaeton4.2 i V8 40V
152 hp/t
113 kW/t
6.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20054.2 BiTDI V8
938 km
583 mi
VolkswagenPhaeton4.2 i V8 40V
692 km
430 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA8 (D3/4E)Facelift 20054.2 BiTDI V8
326 hp
243 kW
5.9 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
VolkswagenPhaeton4.2 i V8 40V
335 hp
250 kW
6.9 s
Unrestricted
260 km/h162 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 20054.2 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
VolkswagenPhaeton4.2 i V8 40V
Power
335 hp
250 kW
0-100 km/h6.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
4 seats
Trunk
500 L
17.7 cu ft
Length
5,055 mm
199.0 in
Height
1,450 mm
57.1 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 20054.2 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
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
VolkswagenPhaeton4.2 i V8 40V
Power
335 hp
250 kW
0-100 km/h6.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
13.0 L/100 km
18.1 mpg US
21.7 mpg UK

AUDI A8 (D3/4E) Facelift 2005 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 20054.2 BiTDI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
5.9 s
VolkswagenPhaeton4.2 i V8 40V
13.0 L/100 km
18.1 mpg US
21.7 mpg UK
6.9 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 20054.2 BiTDI V8
168 hp/t
125 kW/t
6.0 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
VolkswagenPhaeton4.2 i V8 40V
152 hp/t
113 kW/t
6.6 kg/hp
13.0 L/100 km
18.1 mpg US
21.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA8 (D3/4E)Facelift 20054.2 BiTDI V8VolkswagenPhaeton4.2 i V8 40V
Power
326 hp
243 kW
335 hp
250 kW
Torque
650 Nm
479 lb-ft
430 Nm
317 lb-ft
Acceleration
5.9 s
6.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,945 kg
4,288 lb
2,205 kg
4,861 lb
Fuel consumption
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
13.0 L/100 km
18.1 mpg US
21.7 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
4 seats
Trunk
500 L
17.7 cu ft
Length
5,055 mm
199.0 in
Height
1,450 mm
57.1 in
Range score
938 km
583 mi
692 km
430 mi
CO2 score
258 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
152 hp/t
113 kW/t
6.6 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 2005 4.2 BiTDI V8Volkswagen Phaeton 4.2 i V8 40V
Consumption9.6 L/100 km24.5 mpg US29.4 mpg UK13 L/100 km18.1 mpg US21.7 mpg UK
Cost / 100 km16.80 LC100 km22.75 LC100 km
Cost / 100 mi27.04 LC100 mi36.61 LC100 mi
Annual fuel used1,440 L380 US gal317 UK gal1,950 L515 US gal429 UK gal
Annual fuel cost2,520 LC/year3,413 LC/year

Head-to-head comparisons

AUDI A8 (D3/4E) Facelift 2005 4.2 BiTDI V8

  • Has 220 Nm more
  • Is 260 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Uses 3.4 L/100 km less fuel
  • Has 16 hp/t better power-to-weight
  • Has 245 km (152 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A8 (D3/4E) 4.2 BiTDI V8
Volkswagen Phaeton 4.2 i V8 40V
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AUDI A8 (D3/4E) · Facelift 2005 4.2 BiTDI V8 vs Volkswagen Phaeton 4.2 i V8 40V - car comparison - FastVsFaster