Car comparison

Cadillac CTS I V 5.7 i V8vsAUDI A8 (D3/4E) 6.0i W12

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

New comparison

Cadillac CTS I

V 5.7 i V8

405 hp5665 ccGasolineRWDManualNaturally aspiratedSedan2004-2007
VS

AUDI A8 (D3/4E)

6.0i W12

450 hp5998 ccGasolineAWDAutomaticNaturally aspiratedSedan2004-2007

Comparison overview

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

Best choices

AUDI A8 (D3/4E) 6.0i W12

  • Most powerful
    450 hp
    336 kW
  • Highest torque
    580 Nm
    428 lb-ft
  • Largest trunk
    500 L
  • Best overall score
    77/100
  • Best performance score
    77/100
  • Best economy score
    67/100
  • Best practicality score
    76/100

Cadillac CTS I V 5.7 i V8

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,745 kg
    3,847 lb
  • Best power-to-weight
    232 hp/t
    173 kW/t
    4.3 kg/hp
  • Lowest city consumption
    18.0 L/100 km
    13.1 mpg US
    15.7 mpg UK
  • Lowest highway consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK

Specification comparison

Specification comparison
ModelCadillacCTS IV 5.7 i V8AUDIA8 (D3/4E)6.0i W12
Power
405hp302kW
450hp336kW
Torque
536Nm395lb-ft
580Nm428lb-ft
Curb weight
1,745kg3,847lb
1,960kg4,321lb
Gross weight-
2,510kg5,534lb
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
46.5s99% target: 262 km/h / 163 mph
Calculated
49.5s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.6s
5.1s
0-200 km/h
13.9s
Calculated
15.1s
Calculated
0-60 mph
4.4s
Calculated
4.9s
Calculated
Fuel consumption-
14.7L/100 km16mpg US19.2mpg UK
Fuel consumption city
18L/100 km13.1mpg US15.7mpg UK
21.4L/100 km11mpg US13.2mpg UK
Fuel consumption highway
9L/100 km26.1mpg US31.4mpg UK
10.8L/100 km21.8mpg US26.2mpg UK
Quarter mile
12.5s
Calculated
13.0s
Calculated
Power-to-weight
232hp/t173kW/t105hp/1000 lb
Calculated
230hp/t171kW/t104hp/1000 lb
Calculated
Torque-to-weight
307Nm/t206lb-ft/ton
Calculated
296Nm/t198lb-ft/ton
Calculated
Estimated range-
612km380mi
Calculated
Displacement
5,665cc346cu in
5,998cc366cu in
Length
4,865mm192in
5,062mm199in
Width
1,793mm71in
1,894mm75in
Height
1,455mm57in
1,444mm57in
Wheelbase
2,880mm113in
2,944mm116in
Front track
1,555mm61in
1,619mm64in
Rear track
1,560mm61in
1,605mm63in
Trunk volume
360L
500L
Max trunk volume
430L
-
Doors
4
4
Seats
5
5
Fuel tank
66L
90L

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.

Cadillac CTS I V 5.7 i V8AUDI A8 (D3/4E) 6.0i W12PowerTorque
  • Cadillac CTS I V 5.7 i V8: Power / Torque
  • AUDI A8 (D3/4E) 6.0i W12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
CadillacCTS IV 5.7 i V86,000 rpm4,800 rpm6,250 rpm
AUDIA8 (D3/4E)6.0i W126,200 rpm4,000-4,700 rpm6,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricCadillacCTS IV 5.7 i V8AUDIA8 (D3/4E)6.0i W12
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.9 s
0-100 km/h
0-62 mph
4.6 s
5.1 s
0-200 km/h
0-124 mph
13.9 s
15.1 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
2.3 s
2.4 s
330 ft
101 m
5.6 s
5.9 s
1/8 mile
201 m
8.3 s
8.7 s
1000 ft
305 m
10.6 s
11.1 s
1/4 mile
402 m
12.5 s
13.0 s
Trap speed
1/4 mile
402 m
190 km/h
118 mph
186 km/h
116 mph

Power comparison

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

Chart data table
VehicleValue
CadillacCTS IV 5.7 i V8
405 hp
302 kW
AUDIA8 (D3/4E)6.0i W12
450 hp
336 kW

AUDI A8 (D3/4E) 6.0i W12 has 45 hp more than Cadillac CTS I V 5.7 i V8.

The biggest power difference is between Cadillac CTS I V 5.7 i V8 and AUDI A8 (D3/4E) 6.0i W12: 45 hp (34 kW).

Torque comparison

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

Chart data table
VehicleValue
CadillacCTS IV 5.7 i V8
536 Nm
395 lb-ft
AUDIA8 (D3/4E)6.0i W12
580 Nm
428 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
CadillacCTS IV 5.7 i V8
1,745 kg
3,847 lb
AUDIA8 (D3/4E)6.0i W12
1,960 kg
4,321 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
CadillacCTS IV 5.7 i V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8 (D3/4E)6.0i W12
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
CadillacCTS IV 5.7 i V84.6 s
AUDIA8 (D3/4E)6.0i W125.1 s

Although AUDI A8 (D3/4E) 6.0i W12 has more power, Cadillac CTS I V 5.7 i V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Cadillac CTS I V 5.7 i V8 and AUDI A8 (D3/4E) 6.0i 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
CadillacCTS IV 5.7 i V8
232 hp/t
173 kW/t
4.3 kg/hp
AUDIA8 (D3/4E)6.0i W12
230 hp/t
171 kW/t
4.4 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
CadillacCTS IV 5.7 i V8
405 hp
302 kW
4.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8 (D3/4E)6.0i W12
450 hp
336 kW
5.1 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
CadillacCTS IV 5.7 i V8
Power
405 hp
302 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
360 L
12.7 cu ft
Length
4,865 mm
191.5 in
Height
1,455 mm
57.3 in
AUDIA8 (D3/4E)6.0i 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

Detailed score breakdown

Detailed score breakdown
VehicleCadillacCTS IV 5.7 i V8AUDIA8 (D3/4E)6.0i W12
Power
405 hp
302 kW
450 hp
336 kW
Torque
536 Nm
395 lb-ft
580 Nm
428 lb-ft
Acceleration
4.6 s
5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,745 kg
3,847 lb
1,960 kg
4,321 lb
Fuel consumption
-
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
360 L
12.7 cu ft
Length
4,865 mm
191.5 in
Height
1,455 mm
57.3 in
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
Range score
-
612 km
380 mi
Trunk score
360 L
12.7 cu ft
500 L
17.7 cu ft
Power-to-weight score
232 hp/t
173 kW/t
4.3 kg/hp
230 hp/t
171 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) 6.0i W12
Consumption14.7 L/100 km16 mpg US19.2 mpg UK
Cost / 100 km25.72 LC100 km
Cost / 100 mi41.40 LC100 mi
Annual fuel used2,205 L582 US gal485 UK gal
Annual fuel cost3,859 LC/year

Head-to-head comparisons

Cadillac CTS I V 5.7 i V8

  • Is 215 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 2 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Smallest trunk

AUDI A8 (D3/4E) 6.0i W12

  • Has 45 hp more
  • Has 44 Nm more
  • Has 140 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Cadillac CTS I V 5.7 i V8
AUDI A8 (D3/4E) 6.0i W12
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