Car comparison

Mercedes-Benz S-class (W223) S 450dvsMercedes-Benz S-class (W221) · Facelift 2009 S 500 V8

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

New comparison

Mercedes-Benz S-class (W223)

S 450d

367 hp2989 ccDieselAWDAutomaticTwin-turboSedan2023-2026
VS

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

S 500 V8

388 hp5461 ccGasolineRWDAutomaticNaturally aspiratedSedan2009-2011

Comparison overview

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

Best choices

Mercedes-Benz S-class (W223) S 450d

  • Quickest 0-100 km/h
    5.0 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    750 Nm
    553 lb-ft
  • Lowest combined fuel consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Best estimated range
    915 km
    569 mi
  • Best overall score
    77/100
  • Best performance score
    77/100
  • Best economy score
    88/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W223)S 450dMercedes-BenzS-class (W221)Facelift 2009S 500 V8
Power
367hp274kW
388hp289kW
Torque
750Nm553lb-ft
530Nm391lb-ft
Curb weight
2,050kg4,519lb
1,880kg4,145lb
Gross weight
2,820kg6,217lb
2,560kg5,644lb
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
49.9s99% target: 262 km/h / 163 mph
Calculated
52.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.0s
5.4s
0-200 km/h
15.0s
Calculated
16.0s
Calculated
0-60 mph
4.8s
Calculated
5.2s
Calculated
Fuel consumption
7.1L/100 km33.1mpg US39.8mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption city-
16.7L/100 km14.1mpg US16.9mpg UK
Fuel consumption highway-
8.1L/100 km29mpg US34.9mpg UK
Quarter mile
12.9s
Calculated
13.3s
Calculated
Power-to-weight
179hp/t133kW/t81hp/1000 lb
Calculated
206hp/t154kW/t94hp/1000 lb
Calculated
Torque-to-weight
366Nm/t245lb-ft/ton
Calculated
282Nm/t189lb-ft/ton
Calculated
Estimated range
915km569mi
Calculated
804km499mi
Calculated
Displacement
2,989cc182cu in
5,461cc333cu in
Length
5,179mm204in
5,096mm201in
Width
1,954mm77in
1,871mm74in
Height
1,503mm59in
1,479mm58in
Wheelbase
3,106mm122in
3,035mm119in
Front track
1,655mm65in
1,600mm63in
Rear track
1,651mm65in
1,606mm63in
Ground clearance
130mm5in
-
Trunk volume
540L
560L
Doors
4
4
Seats
5
5
Fuel tank
65L
90L
CO2 emissions-
262g/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.

Mercedes-Benz S-class (W223) S 450dMercedes-Benz S-class (W221) Facelift 2009 S 500 V8PowerTorque
  • Mercedes-Benz S-class (W223) S 450d: Power / Torque
  • Mercedes-Benz S-class (W221) Facelift 2009 S 500 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W223)S 450d4,000 rpm1,350-2,800 rpm4,250 rpm
Mercedes-BenzS-class (W221)Facelift 2009S 500 V86,000 rpm2,800-4,800 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W223)S 450dMercedes-BenzS-class (W221)Facelift 2009S 500 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
5.2 s
0-100 km/h
0-62 mph
5.0 s
5.4 s
0-200 km/h
0-124 mph
15.0 s
16.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
5.9 s
6.1 s
1/8 mile
201 m
8.6 s
8.9 s
1000 ft
305 m
11.0 s
11.3 s
1/4 mile
402 m
12.9 s
13.3 s
Trap speed
1/4 mile
402 m
186 km/h
116 mph
183 km/h
113 mph

Power comparison

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

Mercedes-Benz S-class (W221) Facelift 2009 S 500 V8 has 21 hp more than Mercedes-Benz S-class (W223) S 450d.

The biggest power difference is between Mercedes-Benz S-class (W223) S 450d and Mercedes-Benz S-class (W221) Facelift 2009 S 500 V8: 21 hp (16 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W223)S 450d
750 Nm
553 lb-ft
Mercedes-BenzS-class (W221)Facelift 2009S 500 V8
530 Nm
391 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W223)S 450d
2,050 kg
4,519 lb
Mercedes-BenzS-class (W221)Facelift 2009S 500 V8
1,880 kg
4,145 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W223)S 450d
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W221)Facelift 2009S 500 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

Although Mercedes-Benz S-class (W221) Facelift 2009 S 500 V8 has more power, Mercedes-Benz S-class (W223) S 450d is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz S-class (W223) S 450d and Mercedes-Benz S-class (W221) Facelift 2009 S 500 V8: 0.4 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W223)S 450d
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
Mercedes-BenzS-class (W221)Facelift 2009S 500 V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W223) S 450d and Mercedes-Benz S-class (W221) Facelift 2009 S 500 V8: 4.1 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
Mercedes-BenzS-class (W223)S 450d
179 hp/t
133 kW/t
5.6 kg/hp
Mercedes-BenzS-class (W221)Facelift 2009S 500 V8
206 hp/t
154 kW/t
4.8 kg/hp

Estimated range comparison

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

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W223)S 450d
367 hp
274 kW
5.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W221)Facelift 2009S 500 V8
388 hp
289 kW
5.4 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
Mercedes-BenzS-class (W223)S 450d
Power
367 hp
274 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
540 L
19.1 cu ft
Length
5,179 mm
203.9 in
Height
1,503 mm
59.2 in
Mercedes-BenzS-class (W221)Facelift 2009S 500 V8
Power
388 hp
289 kW
0-100 km/h5.4 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
Mercedes-BenzS-class (W223)S 450d
Power
367 hp
274 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
Mercedes-BenzS-class (W221)Facelift 2009S 500 V8
Power
388 hp
289 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

Mercedes-Benz S-class (W223) S 450d 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
Mercedes-BenzS-class (W223)S 450d
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
5.0 s
Mercedes-BenzS-class (W221)Facelift 2009S 500 V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
5.4 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
Mercedes-BenzS-class (W223)S 450d
179 hp/t
133 kW/t
5.6 kg/hp
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
Mercedes-BenzS-class (W221)Facelift 2009S 500 V8
206 hp/t
154 kW/t
4.8 kg/hp
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W223)S 450dMercedes-BenzS-class (W221)Facelift 2009S 500 V8
Power
367 hp
274 kW
388 hp
289 kW
Torque
750 Nm
553 lb-ft
530 Nm
391 lb-ft
Acceleration
5.0 s
5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,050 kg
4,519 lb
1,880 kg
4,145 lb
Fuel consumption
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
540 L
19.1 cu ft
Length
5,179 mm
203.9 in
Height
1,503 mm
59.2 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
915 km
569 mi
804 km
499 mi
CO2 score
-
262 g/km
Trunk score
540 L
19.1 cu ft
560 L
19.8 cu ft
Power-to-weight score
179 hp/t
133 kW/t
5.6 kg/hp
206 hp/t
154 kW/t
4.8 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
VehicleMercedes-Benz S-class (W223) S 450dMercedes-Benz S-class (W221) Facelift 2009 S 500 V8
Consumption7.1 L/100 km33.1 mpg US39.8 mpg UK11.2 L/100 km21 mpg US25.2 mpg UK
Cost / 100 km12.42 LC100 km19.60 LC100 km
Cost / 100 mi20.00 LC100 mi31.54 LC100 mi
Annual fuel used1,065 L281 US gal234 UK gal1,680 L444 US gal370 UK gal
Annual fuel cost1,864 LC/year2,940 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W223) S 450d

  • Has 220 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 4.1 L/100 km less fuel
  • Has 112 km (70 mi) more estimated range

Pros

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

Cons

  • Lowest power
  • Heaviest
  • Smallest trunk

Mercedes-Benz S-class (W221) Facelift 2009 S 500 V8

  • Has 21 hp more
  • Is 170 kg lighter
  • Has 27 hp/t better power-to-weight
  • Has 20 L more trunk volume

Pros

  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W223) S 450d
Mercedes-Benz S-class (W221) S 500 V8
Compare selected cars
2 vehicles selected

Popular comparisons

Mercedes-Benz S-class (W223) S 450d vs Mercedes-Benz S-class (W221) · Facelift 2009 S 500 V8 - car comparison - FastVsFaster