Car comparison

Mercedes-Benz S-class (W223) · Facelift 2026 S 580 V8vsMercedes-Benz S-class (W221) AMG S 63 V8

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

New comparison

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

S 580 V8

537 hp3982 ccGasolineAWDAutomaticTurbochargedSedan2026-present
VS

Mercedes-Benz S-class (W221)

AMG S 63 V8

525 hp6208 ccGasolineRWDAutomaticNaturally aspiratedSedan2006-2009

Comparison overview

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

Best choices

Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8

  • Quickest 0-100 km/h
    4.0 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    537 hp
    400 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Lowest combined fuel consumption
    11.2 L/100 km
    21.0 mpg US
    25.2 mpg UK
  • Best estimated range
    679 km
    422 mi
  • Best overall score
    83/100
  • Best performance score
    86/100
  • Best economy score
    77/100
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W223)Facelift 2026S 580 V8Mercedes-BenzS-class (W221)AMG S 63 V8
Power
537hp400kW
525hp391kW
Torque
750Nm553lb-ft
630Nm465lb-ft
Curb weight
2,175kg4,795lb
1,995kg4,398lb
Gross weight
2,895kg6,382lb
2,595kg5,721lb
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
38.0s99% target: 262 km/h / 163 mph
Calculated
41.7s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.0s
4.6s
0-200 km/h
11.7s
Calculated
13.2s
Calculated
0-60 mph
3.8s
Calculated
4.4s
Calculated
Fuel consumption
11.2L/100 km21mpg US25.2mpg UK
14.9L/100 km15.8mpg US19.0mpg UK
Fuel consumption city-
23.2L/100 km10.1mpg US12.2mpg UK
Fuel consumption highway-
10.2L/100 km23.1mpg US27.7mpg UK
Quarter mile
11.8s
Calculated
12.4s
Calculated
Power-to-weight
247hp/t184kW/t112hp/1000 lb
Calculated
263hp/t196kW/t119hp/1000 lb
Calculated
Torque-to-weight
345Nm/t231lb-ft/ton
Calculated
316Nm/t211lb-ft/ton
Calculated
Estimated range
679km422mi
Calculated
604km375mi
Calculated
Displacement
3,982cc243cu in
6,208cc379cu in
Length
5,194mm204in
5,079mm200in
Width
1,921mm76in
1,872mm74in
Height
1,503mm59in
1,473mm58in
Wheelbase
3,106mm122in
3,035mm119in
Front track
1,660mm65in
1,604mm63in
Rear track
1,688mm66in
1,606mm63in
Trunk volume
530L
-
Max trunk volume-
560L
Doors
4
4
Seats
5
4
Fuel tank
76L
90L
CO2 emissions-
355g/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) Facelift 2026 S 580 V8Mercedes-Benz S-class (W221) AMG S 63 V8PowerTorque
  • Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8: Power / Torque
  • Mercedes-Benz S-class (W221) AMG S 63 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W223)Facelift 2026S 580 V85,500-6,100 rpm2,500-4,500 rpm6,350 rpm
Mercedes-BenzS-class (W221)AMG S 63 V86,800 rpm5,200 rpm7,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W223)Facelift 2026S 580 V8Mercedes-BenzS-class (W221)AMG S 63 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
4.4 s
0-100 km/h
0-62 mph
4.0 s
4.6 s
0-200 km/h
0-124 mph
11.7 s
13.2 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
2.1 s
2.3 s
330 ft
101 m
5.3 s
5.7 s
1/8 mile
201 m
7.8 s
8.3 s
1000 ft
305 m
10.0 s
10.6 s
1/4 mile
402 m
11.8 s
12.4 s
Trap speed
1/4 mile
402 m
201 km/h
125 mph
194 km/h
121 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W223)Facelift 2026S 580 V8
537 hp
400 kW
Mercedes-BenzS-class (W221)AMG S 63 V8
525 hp
391 kW

Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8 has 12 hp more than Mercedes-Benz S-class (W221) AMG S 63 V8.

The biggest power difference is between Mercedes-Benz S-class (W221) AMG S 63 V8 and Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8: 12 hp (9 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W223)Facelift 2026S 580 V8
750 Nm
553 lb-ft
Mercedes-BenzS-class (W221)AMG S 63 V8
630 Nm
465 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W223)Facelift 2026S 580 V8
2,175 kg
4,795 lb
Mercedes-BenzS-class (W221)AMG S 63 V8
1,995 kg
4,398 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)Facelift 2026S 580 V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W221)AMG 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
Mercedes-BenzS-class (W223)Facelift 2026S 580 V84.0 s
Mercedes-BenzS-class (W221)AMG S 63 V84.6 s

The biggest 0-100 km/h difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8 and Mercedes-Benz S-class (W221) AMG S 63 V8: 0.6 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)Facelift 2026S 580 V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Mercedes-BenzS-class (W221)AMG S 63 V8
14.9 L/100 km
15.8 mpg US
19.0 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8 and Mercedes-Benz S-class (W221) AMG S 63 V8: 3.7 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)Facelift 2026S 580 V8
247 hp/t
184 kW/t
4.1 kg/hp
Mercedes-BenzS-class (W221)AMG S 63 V8
263 hp/t
196 kW/t
3.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W223)Facelift 2026S 580 V8
679 km
422 mi
Mercedes-BenzS-class (W221)AMG S 63 V8
604 km
375 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W223)Facelift 2026S 580 V8
537 hp
400 kW
4.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class (W221)AMG S 63 V8
525 hp
391 kW
4.6 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)Facelift 2026S 580 V8
Power
537 hp
400 kW
0-100 km/h4.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
5,194 mm
204.5 in
Height
1,503 mm
59.2 in
Mercedes-BenzS-class (W221)AMG S 63 V8
Power
525 hp
391 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
4 seats
Trunk
560 L
19.8 cu ft
Length
5,079 mm
200.0 in
Height
1,473 mm
58.0 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)Facelift 2026S 580 V8
Power
537 hp
400 kW
0-100 km/h4.0 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-BenzS-class (W221)AMG S 63 V8
Power
525 hp
391 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
14.9 L/100 km
15.8 mpg US
19.0 mpg UK

Mercedes-Benz S-class (W223) Facelift 2026 S 580 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
Mercedes-BenzS-class (W223)Facelift 2026S 580 V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
4.0 s
Mercedes-BenzS-class (W221)AMG S 63 V8
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
4.6 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)Facelift 2026S 580 V8
247 hp/t
184 kW/t
4.1 kg/hp
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Mercedes-BenzS-class (W221)AMG S 63 V8
263 hp/t
196 kW/t
3.8 kg/hp
14.9 L/100 km
15.8 mpg US
19.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W223)Facelift 2026S 580 V8Mercedes-BenzS-class (W221)AMG S 63 V8
Power
537 hp
400 kW
525 hp
391 kW
Torque
750 Nm
553 lb-ft
630 Nm
465 lb-ft
Acceleration
4.0 s
4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,175 kg
4,795 lb
1,995 kg
4,398 lb
Fuel consumption
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
14.9 L/100 km
15.8 mpg US
19.0 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
5,194 mm
204.5 in
Height
1,503 mm
59.2 in
Doors/seats
4 doors
4 seats
Trunk
560 L
19.8 cu ft
Length
5,079 mm
200.0 in
Height
1,473 mm
58.0 in
Range score
679 km
422 mi
604 km
375 mi
CO2 score
-
355 g/km
Trunk score
530 L
18.7 cu ft
560 L
19.8 cu ft
Power-to-weight score
247 hp/t
184 kW/t
4.1 kg/hp
263 hp/t
196 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
VehicleMercedes-Benz S-class (W223) Facelift 2026 S 580 V8Mercedes-Benz S-class (W221) AMG S 63 V8
Consumption11.2 L/100 km21 mpg US25.2 mpg UK14.9 L/100 km15.8 mpg US19 mpg UK
Cost / 100 km19.60 LC100 km26.08 LC100 km
Cost / 100 mi31.54 LC100 mi41.96 LC100 mi
Annual fuel used1,680 L444 US gal370 UK gal2,235 L590 US gal492 UK gal
Annual fuel cost2,940 LC/year3,911 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8

  • Has 12 hp more
  • Has 120 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Uses 3.7 L/100 km less fuel
  • Has 75 km (46 mi) more estimated range

Pros

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

Cons

  • Heaviest
  • Smallest trunk

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

  • Is 180 kg lighter
  • Has 16 hp/t better power-to-weight
  • Has 30 L more trunk volume

Pros

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

Cons

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

Choose cars to compare

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Model
Generation
Engine or modification
Mercedes-Benz S-class (W223) S 580 V8
Mercedes-Benz S-class (W221) AMG S 63 V8
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