Car comparison

Mercedes-Benz GLA (H247) · Facelift 2023 AMG GLA 45 SvsPorsche Cayenne III GTS 4.0 V8

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

New comparison

Mercedes-Benz GLA (H247) · Facelift 2023

AMG GLA 45 S

421 hp1991 ccGasolineAWDDual-clutchTurbochargedSUV2023-present
VS

Porsche Cayenne III

GTS 4.0 V8

460 hp3996 ccGasolineAWDAutomaticTwin-turboSUV2020-2023

Comparison overview

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

Best choices

Mercedes-Benz GLA (H247) Facelift 2023 AMG GLA 45 S

  • Quickest 0-100 km/h
    4.3 s
  • Fastest top speed
    280 km/h
    174 mph Unrestricted
    270 km/h
    168 mph Restricted
  • Lightest
    1,695 kg
    3,737 lb
  • Best power-to-weight
    248 hp/t
    185 kW/t
    4.0 kg/hp
  • Lowest combined fuel consumption
    10.0 L/100 km
    23.5 mpg US
    28.2 mpg UK
  • Best performance score
    78/100
  • Best economy score
    80/100

Porsche Cayenne III GTS 4.0 V8

  • Most powerful
    460 hp
    343 kW
  • Highest torque
    620 Nm
    457 lb-ft
  • Best estimated range
    789 km
    491 mi
  • Largest trunk
    772 L
  • Best overall score
    82/100
  • Best practicality score
    92/100

Specification comparison

Specification comparison
ModelMercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 SPorscheCayenne IIIGTS 4.0 V8
Power
421hp314kW
460hp343kW
Torque
500Nm369lb-ft
620Nm457lb-ft
Curb weight
1,695kg3,737lb
2,145kg4,729lb
Gross weight
2,270kg5,004lb
2,860kg6,305lb
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Calculated
270 km/h
168 mph
To 99% top speed
50.2s99% target: 277 km/h / 172 mph
Calculated
80.9s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
4.3s
4.8s
0-200 km/h
12.8s
Calculated
17.9s
0-60 mph
4.1s
Calculated
4.6s
Calculated
Fuel consumption
10L/100 km23.5mpg US28.2mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption city-
15.3L/100 km15.4mpg US18.5mpg UK
Fuel consumption highway-
9.1L/100 km25.8mpg US31.0mpg UK
Quarter mile
12.2s
Calculated
13.0s
Calculated
Power-to-weight
248hp/t185kW/t113hp/1000 lb
Calculated
214hp/t160kW/t97hp/1000 lb
Calculated
Torque-to-weight
295Nm/t197lb-ft/ton
Calculated
289Nm/t193lb-ft/ton
Calculated
Estimated range
510km317mi
Calculated
789km491mi
Calculated
Displacement
1,991cc121cu in
3,996cc244cu in
Length
4,436mm175in
4,929mm194in
Width
1,849mm73in
1,983mm78in
Height
1,590mm63in
1,676mm66in
Wheelbase
2,729mm107in
2,895mm114in
Front track
1,615mm64in
1,682mm66in
Rear track
1,593mm63in
1,665mm66in
Trunk volume
435L
772L
Max trunk volume
1,430L
1,708L
Doors
5
5
Seats
5
5
Fuel tank
51L
90L
CO2 emissions-
260g/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 GLA (H247) Facelift 2023 AMG GLA 45 SPorsche Cayenne III GTS 4.0 V8PowerTorque
  • Mercedes-Benz GLA (H247) Facelift 2023 AMG GLA 45 S: Power / Torque
  • Porsche Cayenne III GTS 4.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 S6,750 rpm5,000-5,250 rpm7,000 rpm
PorscheCayenne IIIGTS 4.0 V86,000-6,500 rpm1,800-4,500 rpm6,800 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 SPorscheCayenne IIIGTS 4.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.1 s
4.6 s
0-100 km/h
0-62 mph
4.3 s
4.8 s
0-200 km/h
0-124 mph
12.8 s
17.9 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Limited
270 km/h
168 mph
Drag race simulation
60 ft
18 m
2.2 s
2.1 s
330 ft
101 m
5.5 s
5.6 s
1/8 mile
201 m
8.1 s
8.4 s
1000 ft
305 m
10.3 s
10.9 s
1/4 mile
402 m
12.2 s
13.0 s
Trap speed
1/4 mile
402 m
195 km/h
121 mph
175 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 S
421 hp
314 kW
PorscheCayenne IIIGTS 4.0 V8
460 hp
343 kW

Porsche Cayenne III GTS 4.0 V8 has 39 hp more than Mercedes-Benz GLA (H247) Facelift 2023 AMG GLA 45 S.

The biggest power difference is between Mercedes-Benz GLA (H247) Facelift 2023 AMG GLA 45 S and Porsche Cayenne III GTS 4.0 V8: 39 hp (29 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 S
500 Nm
369 lb-ft
PorscheCayenne IIIGTS 4.0 V8
620 Nm
457 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 S
1,695 kg
3,737 lb
PorscheCayenne IIIGTS 4.0 V8
2,145 kg
4,729 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-BenzGLA (H247)Facelift 2023AMG GLA 45 S
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
PorscheCayenne IIIGTS 4.0 V8
270 km/h
168 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Mercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 S4.3 s
PorscheCayenne IIIGTS 4.0 V84.8 s

Although Porsche Cayenne III GTS 4.0 V8 has more power, Mercedes-Benz GLA (H247) Facelift 2023 AMG GLA 45 S is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz GLA (H247) Facelift 2023 AMG GLA 45 S and Porsche Cayenne III GTS 4.0 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
Mercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 S
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
PorscheCayenne IIIGTS 4.0 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz GLA (H247) Facelift 2023 AMG GLA 45 S and Porsche Cayenne III GTS 4.0 V8: 1.4 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-BenzGLA (H247)Facelift 2023AMG GLA 45 S
248 hp/t
185 kW/t
4.0 kg/hp
PorscheCayenne IIIGTS 4.0 V8
214 hp/t
160 kW/t
4.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 S
510 km
317 mi
PorscheCayenne IIIGTS 4.0 V8
789 km
491 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 S
421 hp
314 kW
4.3 s
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
PorscheCayenne IIIGTS 4.0 V8
460 hp
343 kW
4.8 s
270 km/h
168 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-BenzGLA (H247)Facelift 2023AMG GLA 45 S
Power
421 hp
314 kW
0-100 km/h4.3 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
Doors/seats
5 doors
5 seats
Trunk
435 L
15.4 cu ft
Length
4,436 mm
174.6 in
Height
1,590 mm
62.6 in
PorscheCayenne IIIGTS 4.0 V8
Power
460 hp
343 kW
0-100 km/h4.8 s
Top speed
270 km/h
168 mph
Doors/seats
5 doors
5 seats
Trunk
772 L
27.3 cu ft
Length
4,929 mm
194.1 in
Height
1,676 mm
66.0 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-BenzGLA (H247)Facelift 2023AMG GLA 45 S
Power
421 hp
314 kW
0-100 km/h4.3 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
PorscheCayenne IIIGTS 4.0 V8
Power
460 hp
343 kW
0-100 km/h4.8 s
Top speed
270 km/h
168 mph
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Mercedes-Benz GLA (H247) Facelift 2023 AMG GLA 45 S 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-BenzGLA (H247)Facelift 2023AMG GLA 45 S
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
4.3 s
PorscheCayenne IIIGTS 4.0 V8
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
4.8 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-BenzGLA (H247)Facelift 2023AMG GLA 45 S
248 hp/t
185 kW/t
4.0 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
PorscheCayenne IIIGTS 4.0 V8
214 hp/t
160 kW/t
4.7 kg/hp
11.4 L/100 km
20.6 mpg US
24.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzGLA (H247)Facelift 2023AMG GLA 45 SPorscheCayenne IIIGTS 4.0 V8
Power
421 hp
314 kW
460 hp
343 kW
Torque
500 Nm
369 lb-ft
620 Nm
457 lb-ft
Acceleration
4.3 s
4.8 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
270 km/h168 mph
270 km/h
168 mph
Lightness
1,695 kg
3,737 lb
2,145 kg
4,729 lb
Fuel consumption
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
435 L
15.4 cu ft
Length
4,436 mm
174.6 in
Height
1,590 mm
62.6 in
Doors/seats
5 doors
5 seats
Trunk
772 L
27.3 cu ft
Length
4,929 mm
194.1 in
Height
1,676 mm
66.0 in
Range score
510 km
317 mi
789 km
491 mi
CO2 score
-
260 g/km
Trunk score
435 L
15.4 cu ft
772 L
27.3 cu ft
Power-to-weight score
248 hp/t
185 kW/t
4.0 kg/hp
214 hp/t
160 kW/t
4.7 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 GLA (H247) Facelift 2023 AMG GLA 45 SPorsche Cayenne III GTS 4.0 V8
Consumption10 L/100 km23.5 mpg US28.2 mpg UK11.4 L/100 km20.6 mpg US24.8 mpg UK
Cost / 100 km17.50 LC100 km19.95 LC100 km
Cost / 100 mi28.16 LC100 mi32.11 LC100 mi
Annual fuel used1,500 L396 US gal330 UK gal1,710 L452 US gal376 UK gal
Annual fuel cost2,625 LC/year2,993 LC/year

Head-to-head comparisons

Mercedes-Benz GLA (H247) Facelift 2023 AMG GLA 45 S

  • Is 450 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 1.4 L/100 km less fuel
  • Has 34 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Smallest trunk

Porsche Cayenne III GTS 4.0 V8

  • Has 39 hp more
  • Has 120 Nm more
  • Has 279 km (174 mi) more estimated range
  • Has 337 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz GLA (H247) AMG GLA 45 S
Porsche Cayenne III GTS 4.0 V8
Compare selected cars
2 vehicles selected

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