Car comparison

AUDI A8 (D3/4E) · Facelift 2005 6.0 i W12vsCadillac CTS I V 6.0 i V8

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

New comparison

AUDI A8 (D3/4E) · Facelift 2005

6.0 i W12

450 hp5998 ccGasolineAWDAutomaticNaturally aspiratedSedan2005-2007
VS

Cadillac CTS I

V 6.0 i V8

405 hp5967 ccGasolineRWDManualNaturally aspiratedSedan2004-2007

Comparison overview

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

Best choices

AUDI A8 (D3/4E) Facelift 2005 6.0 i W12

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Highest torque
    580 Nm
    428 lb-ft
  • Best power-to-weight
    230 hp/t
    171 kW/t
    4.4 kg/hp
  • Largest trunk
    500 L
  • Best overall score
    77/100
  • Best performance score
    77/100
  • Best economy score
    70/100
  • Best practicality score
    76/100

Cadillac CTS I V 6.0 i V8

  • Quickest 0-100 km/h
    4.6 s
  • Lightest
    1,780 kg
    3,924 lb
  • Lowest city consumption
    14.7 L/100 km
    16.0 mpg US
    19.2 mpg UK
  • Lowest highway consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK

Specification comparison

Specification comparison
ModelAUDIA8 (D3/4E)Facelift 20056.0 i W12CadillacCTS IV 6.0 i V8
Power
450hp336kW
405hp302kW
Torque
580Nm428lb-ft
536Nm395lb-ft
Curb weight
1,960kg4,321lb
1,780kg3,924lb
Gross weight
2,510kg5,534lb
-
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
262 km/h
163 mph
To 99% top speed
49.5s99% target: 262 km/h / 163 mph
Calculated
46.2s99% target: 259 km/h / 161 mph
Calculated
0-100 km/h
5.1s
4.6s
0-200 km/h
15.1s
Calculated
14.1s
Calculated
0-60 mph
4.9s
Calculated
4.4s
Calculated
Fuel consumption
13.8L/100 km17mpg US20.5mpg UK
-
Fuel consumption city
20.5L/100 km11.5mpg US13.8mpg UK
14.7L/100 km16mpg US19.2mpg UK
Fuel consumption highway
9.9L/100 km23.8mpg US28.5mpg UK
9.4L/100 km25mpg US30.1mpg UK
Quarter mile
13.0s
Calculated
12.5s
Calculated
Power-to-weight
230hp/t171kW/t104hp/1000 lb
Calculated
228hp/t170kW/t103hp/1000 lb
Calculated
Torque-to-weight
296Nm/t198lb-ft/ton
Calculated
301Nm/t201lb-ft/ton
Calculated
Estimated range
652km405mi
Calculated
-
Displacement
5,998cc366cu in
5,967cc364cu in
Length
5,062mm199in
4,864mm191in
Width
1,894mm75in
1,793mm71in
Height
1,444mm57in
1,455mm57in
Wheelbase
2,944mm116in
2,880mm113in
Front track
1,619mm64in
1,552mm61in
Rear track
1,605mm63in
1,559mm61in
Trunk volume
500L
-
Max trunk volume-
362L
Doors
4
4
Seats
5
4
Fuel tank
90L
66L

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 6.0 i W12Cadillac CTS I V 6.0 i V8PowerTorque
  • AUDI A8 (D3/4E) Facelift 2005 6.0 i W12: Power / Torque
  • Cadillac CTS I V 6.0 i V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA8 (D3/4E)Facelift 20056.0 i W126,200 rpm4,000-4,700 rpm6,450 rpm
CadillacCTS IV 6.0 i V86,000 rpm6,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA8 (D3/4E)Facelift 20056.0 i W12CadillacCTS IV 6.0 i V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
4.4 s
0-100 km/h
0-62 mph
5.1 s
4.6 s
0-200 km/h
0-124 mph
15.1 s
14.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
262 km/h
163 mph
Drag race simulation
60 ft
18 m
2.4 s
2.2 s
330 ft
101 m
5.9 s
5.6 s
1/8 mile
201 m
8.7 s
8.3 s
1000 ft
305 m
11.1 s
10.6 s
1/4 mile
402 m
13.0 s
12.5 s
Trap speed
1/4 mile
402 m
186 km/h
116 mph
189 km/h
118 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20056.0 i W12
450 hp
336 kW
CadillacCTS IV 6.0 i V8
405 hp
302 kW

AUDI A8 (D3/4E) Facelift 2005 6.0 i W12 has 45 hp more than Cadillac CTS I V 6.0 i V8.

The biggest power difference is between Cadillac CTS I V 6.0 i V8 and AUDI A8 (D3/4E) Facelift 2005 6.0 i W12: 45 hp (34 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20056.0 i W12
580 Nm
428 lb-ft
CadillacCTS IV 6.0 i V8
536 Nm
395 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA8 (D3/4E)Facelift 20056.0 i W12
1,960 kg
4,321 lb
CadillacCTS IV 6.0 i V8
1,780 kg
3,924 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 20056.0 i W12
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
CadillacCTS IV 6.0 i V8
262 km/h
163 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 20056.0 i W125.1 s
CadillacCTS IV 6.0 i V84.6 s

Although AUDI A8 (D3/4E) Facelift 2005 6.0 i W12 has more power, Cadillac CTS I V 6.0 i V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Cadillac CTS I V 6.0 i V8 and AUDI A8 (D3/4E) Facelift 2005 6.0 i W12: 0.5 s.

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 20056.0 i W12
230 hp/t
171 kW/t
4.4 kg/hp
CadillacCTS IV 6.0 i V8
228 hp/t
170 kW/t
4.4 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA8 (D3/4E)Facelift 20056.0 i W12
450 hp
336 kW
5.1 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
CadillacCTS IV 6.0 i V8
405 hp
302 kW
4.6 s
262 km/h
163 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 20056.0 i W12
Power
450 hp
336 kW
0-100 km/h5.1 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
CadillacCTS IV 6.0 i V8
Power
405 hp
302 kW
0-100 km/h4.6 s
Top speed
262 km/h
163 mph
Doors/seats
4 doors
4 seats
Trunk
362 L
12.8 cu ft
Length
4,864 mm
191.5 in
Height
1,455 mm
57.3 in

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA8 (D3/4E)Facelift 20056.0 i W12CadillacCTS IV 6.0 i V8
Power
450 hp
336 kW
405 hp
302 kW
Torque
580 Nm
428 lb-ft
536 Nm
395 lb-ft
Acceleration
5.1 s
4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
262 km/h
163 mph
Lightness
1,960 kg
4,321 lb
1,780 kg
3,924 lb
Fuel consumption
13.8 L/100 km
17.0 mpg US
20.5 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
362 L
12.8 cu ft
Length
4,864 mm
191.5 in
Height
1,455 mm
57.3 in
Range score
652 km
405 mi
-
Trunk score
500 L
17.7 cu ft
362 L
12.8 cu ft
Power-to-weight score
230 hp/t
171 kW/t
4.4 kg/hp
228 hp/t
170 kW/t
4.4 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 6.0 i W12
Consumption13.8 L/100 km17 mpg US20.5 mpg UK
Cost / 100 km24.15 LC100 km
Cost / 100 mi38.87 LC100 mi
Annual fuel used2,070 L547 US gal455 UK gal
Annual fuel cost3,623 LC/year

Head-to-head comparisons

AUDI A8 (D3/4E) Facelift 2005 6.0 i W12

  • Has 45 hp more
  • Has 44 Nm more
  • Has 3 km/h (2 mph) higher top speed
  • Has 2 hp/t better power-to-weight
  • Has 138 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest

Cadillac CTS I V 6.0 i V8

  • Is 180 kg lighter
  • Is 0.5 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A8 (D3/4E) 6.0 i W12
Cadillac CTS I V 6.0 i V8
Compare selected cars
2 vehicles selected

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AUDI A8 (D3/4E) · Facelift 2005 6.0 i W12 vs Cadillac CTS I V 6.0 i V8 - car comparison - FastVsFaster