Mercedes-Benz EQA vs Porsche Cayenne Electric

Price and cost per week

Safety Rundown

ANCAP's published record does not give the Mercedes-Benz EQA a rating. ANCAP's published ratings include no record for the Porsche Cayenne Electric. With no pair of ratings to compare, the active-safety features in the spec table above are the fairer comparison.

Recalls on our record

A recall covers the builds its notice lists, not every car of a model. Check your VIN at vehiclerecalls.gov.au.

Charging times

How long each takes to charge, from a household power point to a DC fast charger, estimated from battery size and the car's own maximum charge rates.

Feature Showdown

Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.

The Porsche Cayenne Electric counters with head-up display, heated front seats, ventilated seats, power tailgate and BOSE audio. Which feature set matters more depends on your daily routine and priorities.

Interior trim differs: the Mercedes-Benz EQA gets synthetic leather upholstery while the Porsche Cayenne Electric offers leather.

Drivetrain

The Mercedes-Benz EQA uses a Electric producing 140kW and 385Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 8.6 seconds.

The Porsche Cayenne Electric responds with a Electric making 325kW and 835Nm, paired to a single-speed automatic driving all four wheels. It gets to 100km/h in 4.8 seconds.

The Porsche Cayenne Electric has the clear power advantage at 325kW vs 140kW. In the 0-100 sprint (manufacturer-claimed), the Porsche Cayenne Electric is 3.8s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

Battery: 70.5kWh (Mercedes-Benz EQA) vs 113kWh (Porsche Cayenne Electric), giving WLTP ranges of 480km and 542km. DC fast charging peaks at 100kW (Mercedes-Benz EQA) vs 390kW (Porsche Cayenne Electric).

Space & Comfort

The Mercedes-Benz EQA measures 4,463mm long on a 2,729mm wheelbase, 522mm shorter than the Porsche Cayenne Electric at 4,985mm (3,023mm wheelbase). The longer wheelbase on the Porsche Cayenne Electric generally means more rear legroom.

Boot space is 340L in the Mercedes-Benz EQA and 781L in the Porsche Cayenne Electric, giving the Porsche Cayenne Electric a 441L advantage.

For towing, the Porsche Cayenne Electric leads with a 3,500kg braked capacity vs 1,800kg. That 1,700kg difference matters if you regularly hitch up.

The Mercedes-Benz EQA turns in a 11.0 m circle, kerb to kerb; the Porsche Cayenne Electric's turning circle is not on our record.

Cost to own

At 15,000 km a year, electricity for the Mercedes-Benz EQA costs about $811 a year (16.9 kWh/100km) and electricity for the Porsche Cayenne Electric about $1,099 a year (22.9 kWh/100km), at $1.90 a litre and 32c a kWh. That is $288 a year less for the Mercedes-Benz EQA.

Warranty: 5 years / Unlimited (Mercedes-Benz EQA) and 3 years / Unlimited (Porsche Cayenne Electric).

Where each one leads

The Mercedes-Benz EQA: the lower starting price ($89,900 against $167,800), the longer warranty (5 years against 3) and lower fuel or energy costs on our assumptions ($811 a year against $1,099).

The Porsche Cayenne Electric: more power (325kW against 140kW), the bigger boot with the seats up (781L against 340L) and the higher braked towing limit (3,500kg against 1,800kg).

The Verdict

Mercedes-Benz EQA scores higher, 67 vs 60

The Mercedes-Benz EQA scores 67 to the Porsche Cayenne Electric's 60 on the CarSorted Score, and leads 3 of the 10 spec rows that separate them, at the lower price. The biggest gaps: performance (Porsche Cayenne Electric ahead by 42 points), energy efficiency (Mercedes-Benz EQA ahead by 40 points), value (Mercedes-Benz EQA ahead by 27 points). At 15,000 km a year, electricity for the Mercedes-Benz EQA costs about $288 less (16.9 kWh/100km against 22.9 kWh/100km, at 32c a kWh). Boot space with the seats up: 340L in the Mercedes-Benz EQA, 781L in the Porsche Cayenne Electric. Warranty: 5 years on the Mercedes-Benz EQA, 3 on the Porsche Cayenne Electric.

Common questions