Car comparison

Cadillac CTS II V 6.2 V8vsMercedes-Benz S-class (W221) · Facelift 2009 AMG S 63 V8

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

New comparison

Cadillac CTS II

V 6.2 V8

564 hp6162 ccGasolineRWDAutomaticSuperchargedSedan2008-2014
VS

Mercedes-Benz S-class (W221) · Facelift 2009

AMG S 63 V8

544 hp5461 ccGasolineRWDAutomaticTwin-turboSedan2010-2013

Comparison overview

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

Best choices

Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8

  • Highest torque
    800 Nm
    590 lb-ft
  • Lowest combined fuel consumption
    10.5 L/100 km
    22.4 mpg US
    26.9 mpg UK
  • Lowest city consumption
    14.4 L/100 km
    16.3 mpg US
    19.6 mpg UK
  • Lowest highway consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Best estimated range
    857 km
    533 mi
  • Largest trunk
    560 L
  • Best overall score
    83/100
  • Best economy score
    79/100
  • Best practicality score
    78/100

Cadillac CTS II V 6.2 V8

  • Quickest 0-100 km/h
    4.0 s
  • Fastest top speed
    282 km/h
    175 mph
  • Most powerful
    564 hp
    421 kW
  • Lightest
    1,930 kg
    4,255 lb
  • Best power-to-weight
    292 hp/t
    218 kW/t
    3.4 kg/hp
  • Best performance score
    87/100

Specification comparison

Specification comparison
ModelCadillacCTS IIV 6.2 V8Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
Power
564hp421kW
544hp406kW
Torque
747Nm551lb-ft
800Nm590lb-ft
Curb weight
1,930kg4,255lb
2,045kg4,508lb
Gross weight-
2,670kg5,886lb
Top speed
282 km/h
175 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
41.4s99% target: 279 km/h / 173 mph
Calculated
40.8s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.0s
4.5s
0-200 km/h
11.2s
Calculated
12.9s
Calculated
0-60 mph
3.8s
Calculated
4.3s
Calculated
Fuel consumption
14.7L/100 km16mpg US19.2mpg UK
10.5L/100 km22.4mpg US26.9mpg UK
Fuel consumption city
16.8L/100 km14mpg US16.8mpg UK
14.4L/100 km16.3mpg US19.6mpg UK
Fuel consumption highway
12.4L/100 km19mpg US22.8mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Quarter mile
11.7s
Calculated
12.3s
Calculated
Power-to-weight
292hp/t218kW/t133hp/1000 lb
Calculated
266hp/t198kW/t121hp/1000 lb
Calculated
Torque-to-weight
387Nm/t259lb-ft/ton
Calculated
391Nm/t262lb-ft/ton
Calculated
Estimated range
463km287mi
Calculated
857km533mi
Calculated
Displacement
6,162cc376cu in
5,461cc333cu in
Length
4,859mm191in
5,096mm201in
Width
1,842mm73in
1,871mm74in
Height
1,473mm58in
1,479mm58in
Wheelbase
2,880mm113in
3,035mm119in
Front track
1,575mm62in
1,600mm63in
Rear track
1,577mm62in
1,606mm63in
Trunk volume
385L
560L
Doors
4
4
Seats
5
5
Fuel tank
68L
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 II V 6.2 V8Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8PowerTorque
  • Cadillac CTS II V 6.2 V8: Power / Torque
  • Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
CadillacCTS IIV 6.2 V86,100 rpm3,800 rpm6,350 rpm
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V85,250-5,750 rpm2,000-4,500 rpm6,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricCadillacCTS IIV 6.2 V8Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
4.3 s
0-100 km/h
0-62 mph
4.0 s
4.5 s
0-200 km/h
0-124 mph
11.2 s
12.9 s
Top speed
282 km/h
175 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.3 s
330 ft
101 m
5.3 s
5.6 s
1/8 mile
201 m
7.8 s
8.2 s
1000 ft
305 m
10.0 s
10.5 s
1/4 mile
402 m
11.7 s
12.3 s
Trap speed
1/4 mile
402 m
205 km/h
127 mph
196 km/h
122 mph

Power comparison

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

Chart data table
VehicleValue
CadillacCTS IIV 6.2 V8
564 hp
421 kW
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
544 hp
406 kW

Cadillac CTS II V 6.2 V8 has 20 hp more than Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8.

The biggest power difference is between Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8 and Cadillac CTS II V 6.2 V8: 20 hp (15 kW).

Torque comparison

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

Chart data table
VehicleValue
CadillacCTS IIV 6.2 V8
747 Nm
551 lb-ft
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
800 Nm
590 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
CadillacCTS IIV 6.2 V8
1,930 kg
4,255 lb
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
2,045 kg
4,508 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 IIV 6.2 V8
282 km/h
175 mph
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
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 IIV 6.2 V84.0 s
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V84.5 s

The biggest 0-100 km/h difference is between Cadillac CTS II V 6.2 V8 and Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8: 0.5 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
CadillacCTS IIV 6.2 V8
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8 and Cadillac CTS II V 6.2 V8: 4.2 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
CadillacCTS IIV 6.2 V8
292 hp/t
218 kW/t
3.4 kg/hp
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
266 hp/t
198 kW/t
3.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
CadillacCTS IIV 6.2 V8
463 km
287 mi
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
857 km
533 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
CadillacCTS IIV 6.2 V8
564 hp
421 kW
4.0 s
282 km/h
175 mph
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
544 hp
406 kW
4.5 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 IIV 6.2 V8
Power
564 hp
421 kW
0-100 km/h4.0 s
Top speed
282 km/h
175 mph
Doors/seats
4 doors
5 seats
Trunk
385 L
13.6 cu ft
Length
4,859 mm
191.3 in
Height
1,473 mm
58.0 in
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
Power
544 hp
406 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,096 mm
200.6 in
Height
1,479 mm
58.2 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
CadillacCTS IIV 6.2 V8
Power
564 hp
421 kW
0-100 km/h4.0 s
Top speed
282 km/h
175 mph
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
Power
544 hp
406 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 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
CadillacCTS IIV 6.2 V8
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
4.0 s
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
4.5 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
CadillacCTS IIV 6.2 V8
292 hp/t
218 kW/t
3.4 kg/hp
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
266 hp/t
198 kW/t
3.8 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleCadillacCTS IIV 6.2 V8Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
Power
564 hp
421 kW
544 hp
406 kW
Torque
747 Nm
551 lb-ft
800 Nm
590 lb-ft
Acceleration
4.0 s
4.5 s
Top speed
282 km/h
175 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,930 kg
4,255 lb
2,045 kg
4,508 lb
Fuel consumption
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
385 L
13.6 cu ft
Length
4,859 mm
191.3 in
Height
1,473 mm
58.0 in
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,096 mm
200.6 in
Height
1,479 mm
58.2 in
Range score
463 km
287 mi
857 km
533 mi
Trunk score
385 L
13.6 cu ft
560 L
19.8 cu ft
Power-to-weight score
292 hp/t
218 kW/t
3.4 kg/hp
266 hp/t
198 kW/t
3.8 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
VehicleCadillac CTS II V 6.2 V8Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8
Consumption14.7 L/100 km16 mpg US19.2 mpg UK10.5 L/100 km22.4 mpg US26.9 mpg UK
Cost / 100 km25.72 LC100 km18.38 LC100 km
Cost / 100 mi41.40 LC100 mi29.57 LC100 mi
Annual fuel used2,205 L582 US gal485 UK gal1,575 L416 US gal346 UK gal
Annual fuel cost3,859 LC/year2,756 LC/year

Head-to-head comparisons

Cadillac CTS II V 6.2 V8

  • Has 20 hp more
  • Is 115 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 17 km/h (11 mph) higher top speed
  • Has 26 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

  • Highest combined fuel consumption
  • Smallest trunk

Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8

  • Has 53 Nm more
  • Uses 4.2 L/100 km less fuel
  • Has 395 km (245 mi) more estimated range
  • Has 175 L more trunk volume

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Cadillac CTS II V 6.2 V8
Mercedes-Benz S-class (W221) AMG S 63 V8
Compare selected cars
2 vehicles selected

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