Car comparison

Mercedes-Benz S-class (W223) · Facelift 2026 S 580 V8vsNIO ET9 100 kWh

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

NIO ET9

100 kWh

707 hpElectricAWDAutomaticSedan2024-present

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
  • Highest torque
    750 Nm
    553 lb-ft
  • Lightest
    2,175 kg
    4,795 lb
  • Best overall score
    83/100
  • Best performance score
    86/100
  • Best economy score
    77/100
  • Best practicality score
    77/100

NIO ET9 100 kWh

  • Most powerful
    707 hp
    527 kW
  • Best power-to-weight
    262 hp/t
    195 kW/t
    3.8 kg/hp
  • Largest trunk
    544 L

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W223)Facelift 2026S 580 V8NIOET9100 kWh
Power
537hp400kW
707hp527kW
Torque
750Nm553lb-ft
700Nm516lb-ft
Curb weight
2,175kg4,795lb
2,700kg5,952lb
Gross weight
2,895kg6,382lb
3,100kg6,834lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
235 km/h146 mph
Restricted
220 km/h137 mph
Calculated
To 99% top speed
38.0s99% target: 262 km/h / 163 mph
Calculated
36.2s99% target: 233 km/h / 145 mph
Calculated
0-100 km/h
4.0s
4.3s
0-200 km/h
11.7s
Calculated
14.9s
Calculated
0-60 mph
3.8s
Calculated
4.1s
Calculated
Fuel consumption
11.2L/100 km21mpg US25.2mpg UK
-
Quarter mile
11.8s
Calculated
12.3s
Calculated
Power-to-weight
247hp/t184kW/t112hp/1000 lb
Calculated
262hp/t195kW/t119hp/1000 lb
Calculated
Torque-to-weight
345Nm/t231lb-ft/ton
Calculated
259Nm/t173lb-ft/ton
Calculated
Estimated range
679km422mi
Calculated
-
Displacement
3,982cc243cu in
-
Length
5,194mm204in
5,325mm210in
Width
1,921mm76in
2,017mm79in
Height
1,503mm59in
1,621mm64in
Wheelbase
3,106mm122in
3,250mm128in
Front track
1,660mm65in
1,731mm68in
Rear track
1,688mm66in
1,758mm69in
Trunk volume
530L
544L
Doors
4
4
Seats
5
4
Fuel tank
76L
-

Performance charts

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

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W223)Facelift 2026S 580 V8NIOET9100 kWh
Acceleration checkpoints
0-60 mph
0-97 km/h
3.8 s
4.1 s
0-100 km/h
0-62 mph
4.0 s
4.3 s
0-200 km/h
0-124 mph
11.7 s
14.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
235 km/h146 mph
Restricted
220 km/h137 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.3 s
5.5 s
1/8 mile
201 m
7.8 s
8.1 s
1000 ft
305 m
10.0 s
10.4 s
1/4 mile
402 m
11.8 s
12.3 s
Trap speed
1/4 mile
402 m
201 km/h
125 mph
187 km/h
116 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
NIOET9100 kWh
707 hp
527 kW

NIO ET9 100 kWh has 170 hp more than Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8.

The biggest power difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8 and NIO ET9 100 kWh: 170 hp (127 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
NIOET9100 kWh
700 Nm
516 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
NIOET9100 kWh
2,700 kg
5,952 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
NIOET9100 kWh
Unrestricted
235 km/h146 mph
Restricted
220 km/h137 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
NIOET9100 kWh4.3 s

Although NIO ET9 100 kWh has more power, Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz S-class (W223) Facelift 2026 S 580 V8 and NIO ET9 100 kWh: 0.3 s.

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
NIOET9100 kWh
262 hp/t
195 kW/t
3.8 kg/hp

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
NIOET9100 kWh
707 hp
527 kW
4.3 s
Unrestricted
235 km/h146 mph
Restricted
220 km/h137 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
NIOET9100 kWh
Power
707 hp
527 kW
0-100 km/h4.3 s
Top speed
Unrestricted
235 km/h146 mph
Restricted
220 km/h137 mph
Doors/seats
4 doors
4 seats
Trunk
544 L
19.2 cu ft
Length
5,325 mm
209.6 in
Height
1,621 mm
63.8 in

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W223)Facelift 2026S 580 V8NIOET9100 kWh
Power
537 hp
400 kW
707 hp
527 kW
Torque
750 Nm
553 lb-ft
700 Nm
516 lb-ft
Acceleration
4.0 s
4.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
235 km/h146 mph
Restricted
220 km/h137 mph
Lightness
2,175 kg
4,795 lb
2,700 kg
5,952 lb
Fuel consumption
11.2 L/100 km
21.0 mpg US
25.2 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
544 L
19.2 cu ft
Length
5,325 mm
209.6 in
Height
1,621 mm
63.8 in
Range score
679 km
422 mi
-
Trunk score
530 L
18.7 cu ft
544 L
19.2 cu ft
Power-to-weight score
247 hp/t
184 kW/t
4.1 kg/hp
262 hp/t
195 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 V8
Consumption11.2 L/100 km21 mpg US25.2 mpg UK
Cost / 100 km19.60 LC100 km
Cost / 100 mi31.54 LC100 mi
Annual fuel used1,680 L444 US gal370 UK gal
Annual fuel cost2,940 LC/year

Head-to-head comparisons

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

  • Has 50 Nm more
  • Is 525 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 30 km/h (19 mph) higher top speed

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lightest

Cons

  • Lowest power
  • Smallest trunk

NIO ET9 100 kWh

  • Has 170 hp more
  • Has 15 hp/t better power-to-weight
  • Has 14 L more trunk volume

Pros

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

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W223) S 580 V8
NIO ET9 100 kWh
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