Car comparison

Mercedes-Benz S-class (W221) S 500vsMercedes-Benz S-class (W223) · Facelift 2026 S 350d

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

New comparison

Mercedes-Benz S-class (W221)

S 500

388 hp5461 ccGasolineRWDAutomaticNaturally aspiratedSedan2005-2009
VS

Mercedes-Benz S-class (W223) · Facelift 2026

S 350d

313 hp2989 ccDieselAWDAutomaticTwin-turboSedan2026-present

Comparison overview

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

Best choices

Mercedes-Benz S-class (W221) S 500

  • Quickest 0-100 km/h
    5.4 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    388 hp
    289 kW
  • Lightest
    1,865 kg
    4,112 lb
  • Best power-to-weight
    208 hp/t
    155 kW/t
    4.8 kg/hp
  • Largest trunk
    560 L
  • Best overall score
    75/100
  • Best performance score
    73/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W221)S 500Mercedes-BenzS-class (W223)Facelift 2026S 350d
Power
388hp289kW
313hp233kW
Torque
530Nm391lb-ft
650Nm479lb-ft
Curb weight
1,865kg4,112lb
2,155kg4,751lb
Gross weight
2,545kg5,611lb
2,890kg6,371lb
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
52.3s99% target: 262 km/h / 163 mph
Calculated
58.0s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.4s
5.4s
0-200 km/h
16.0s
Calculated
17.3s
Calculated
0-60 mph
5.2s
Calculated
5.1s
Calculated
Fuel consumption
11.9L/100 km19.8mpg US23.7mpg UK
6.8L/100 km34.6mpg US41.5mpg UK
Fuel consumption city
17.6L/100 km13.4mpg US16.1mpg UK
-
Fuel consumption highway
8.7L/100 km27mpg US32.5mpg UK
-
Quarter mile
13.3s
Calculated
13.4s
Calculated
Power-to-weight
208hp/t155kW/t94hp/1000 lb
Calculated
145hp/t108kW/t66hp/1000 lb
Calculated
Torque-to-weight
284Nm/t190lb-ft/ton
Calculated
302Nm/t202lb-ft/ton
Calculated
Estimated range
756km470mi
Calculated
1,118km694mi
Calculated
Displacement
5,461cc333cu in
2,989cc182cu in
Length
5,079mm200in
5,194mm204in
Width
1,872mm74in
1,921mm76in
Height
1,473mm58in
1,503mm59in
Wheelbase
3,035mm119in
3,106mm122in
Front track
1,604mm63in
1,660mm65in
Rear track
1,606mm63in
1,688mm66in
Trunk volume
560L
510L
Doors
4
4
Seats
5
5
Fuel tank
90L
76L
CO2 emissions
283g/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 (W221) S 500Mercedes-Benz S-class (W223) Facelift 2026 S 350dPowerTorque
  • Mercedes-Benz S-class (W221) S 500: Power / Torque
  • Mercedes-Benz S-class (W223) Facelift 2026 S 350d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W221)S 5006,000 rpm2,800 rpm6,250 rpm
Mercedes-BenzS-class (W223)Facelift 2026S 350d3,600-4,800 rpm1,200-3,200 rpm5,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W221)S 500Mercedes-BenzS-class (W223)Facelift 2026S 350d
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
5.1 s
0-100 km/h
0-62 mph
5.4 s
5.4 s
0-200 km/h
0-124 mph
16.0 s
17.3 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
Limited
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.1 s
6.0 s
1/8 mile
201 m
8.9 s
8.9 s
1000 ft
305 m
11.3 s
11.4 s
1/4 mile
402 m
13.3 s
13.4 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
178 km/h
110 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
388 hp
289 kW
Mercedes-BenzS-class (W223)Facelift 2026S 350d
313 hp
233 kW

Mercedes-Benz S-class (W221) S 500 has 75 hp more than Mercedes-Benz S-class (W223) Facelift 2026 S 350d.

The biggest power difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 350d and Mercedes-Benz S-class (W221) S 500: 75 hp (56 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
530 Nm
391 lb-ft
Mercedes-BenzS-class (W223)Facelift 2026S 350d
650 Nm
479 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
1,865 kg
4,112 lb
Mercedes-BenzS-class (W223)Facelift 2026S 350d
2,155 kg
4,751 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 (W221)S 500
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W223)Facelift 2026S 350d
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
Mercedes-BenzS-class (W221)S 5005.4 s
Mercedes-BenzS-class (W223)Facelift 2026S 350d5.4 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 (W221)S 500
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Mercedes-BenzS-class (W223)Facelift 2026S 350d
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 350d and Mercedes-Benz S-class (W221) S 500: 5.1 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 (W221)S 500
208 hp/t
155 kW/t
4.8 kg/hp
Mercedes-BenzS-class (W223)Facelift 2026S 350d
145 hp/t
108 kW/t
6.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
756 km
470 mi
Mercedes-BenzS-class (W223)Facelift 2026S 350d
1,118 km
694 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W221)S 500
388 hp
289 kW
5.4 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W223)Facelift 2026S 350d
313 hp
233 kW
5.4 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
Mercedes-BenzS-class (W221)S 500
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
5,079 mm
200.0 in
Height
1,473 mm
58.0 in
Mercedes-BenzS-class (W223)Facelift 2026S 350d
Power
313 hp
233 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
5,194 mm
204.5 in
Height
1,503 mm
59.2 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 (W221)S 500
Power
388 hp
289 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Mercedes-BenzS-class (W223)Facelift 2026S 350d
Power
313 hp
233 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Mercedes-Benz S-class (W223) Facelift 2026 S 350d 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 (W221)S 500
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
5.4 s
Mercedes-BenzS-class (W223)Facelift 2026S 350d
6.8 L/100 km
34.6 mpg US
41.5 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 (W221)S 500
208 hp/t
155 kW/t
4.8 kg/hp
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Mercedes-BenzS-class (W223)Facelift 2026S 350d
145 hp/t
108 kW/t
6.9 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W221)S 500Mercedes-BenzS-class (W223)Facelift 2026S 350d
Power
388 hp
289 kW
313 hp
233 kW
Torque
530 Nm
391 lb-ft
650 Nm
479 lb-ft
Acceleration
5.4 s
5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,865 kg
4,112 lb
2,155 kg
4,751 lb
Fuel consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,079 mm
200.0 in
Height
1,473 mm
58.0 in
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
5,194 mm
204.5 in
Height
1,503 mm
59.2 in
Range score
756 km
470 mi
1,118 km
694 mi
CO2 score
283 g/km
-
Trunk score
560 L
19.8 cu ft
510 L
18.0 cu ft
Power-to-weight score
208 hp/t
155 kW/t
4.8 kg/hp
145 hp/t
108 kW/t
6.9 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 (W221) S 500Mercedes-Benz S-class (W223) Facelift 2026 S 350d
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK6.8 L/100 km34.6 mpg US41.5 mpg UK
Cost / 100 km20.83 LC100 km11.90 LC100 km
Cost / 100 mi33.51 LC100 mi19.15 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal1,020 L269 US gal224 UK gal
Annual fuel cost3,124 LC/year1,785 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W221) S 500

  • Has 75 hp more
  • Is 290 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Has 63 hp/t better power-to-weight
  • Has 50 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption

Mercedes-Benz S-class (W223) Facelift 2026 S 350d

  • Has 120 Nm more
  • Uses 5.1 L/100 km less fuel
  • Has 361 km (225 mi) more estimated range

Pros

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

Cons

  • Lowest power
  • Heaviest
  • Lowest top speed
  • Smallest trunk

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Mercedes-Benz S-class (W221) S 500
Mercedes-Benz S-class (W223) S 350d
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Mercedes-Benz S-class (W221) S 500 vs Mercedes-Benz S-class (W223) · Facelift 2026 S 350d - car comparison - FastVsFaster