Head-to-head
Kia EV9 vs Mercedes EQB
The Mercedes EQB starts $7,900 (8%) below the Kia EV9. Here's how that price gap plays out across range, charging, safety and warranty.

Option A · SUV
Kia EV9
Australia's first true 7-seat electric SUV at this price point. The EV9 brings genuine three-row practicality with the same 800V fast-charging platform as the EV6 and a square-jawed, distinctive design.
- From
- $97,000
- Range
- 563 km
- Battery
- 99.8 kWh

Option B · SUV
Mercedes EQB
Mercedes-Benz's seven-seat option in the EQ range — the EQB shares its body and platform with the GLB. The third row is best for small children but the format gives Mercedes shoppers a 7-seat EV that isn't EQE-SUV money.
- From
- $89,100
- Range
- 423 km
- Battery
- 70.5 kWh
Key differences at a glance
The biggest material gaps between the Kia EV9 and Mercedes EQB, ranked by how much they're likely to matter day-to-day.
- 1
Range · advantage Kia EV9
The Kia EV9 goes 140 km further on a charge (563 vs 423 km WLTP).
- 2
DC charging · advantage Kia EV9
The Kia EV9 accepts 133 kW more DC peak charging (233 vs 100 kW), meaning shorter road-trip stops.
- 3
Battery · advantage Kia EV9
The Kia EV9 carries a 29.3 kWh larger battery (99.8 vs 70.5 kWh).
- 4
Power · advantage Mercedes EQB
The Mercedes EQB puts down 65 kW more (215 vs 150 kW).
- 5
Boot · advantage Mercedes EQB
The Mercedes EQB swallows 132 L more cargo with the rear seats up (465 vs 333 L).
Spec for spec
Highlighted cells show the better number in each row.
Where the Kia EV9 wins
- ▸ 140 km longer WLTP range
- ▸ Faster DC charging peak (233 kW vs 100 kW)
- ▸ Longer warranty (7 years)
Where the Mercedes EQB wins
- ▸ Cheaper by $7,900
- ▸ Quicker 0–100 km/h (6.2s vs 9.4s)
Kia EV9
What we like
- ✓ True 7-seat layout with usable third row
- ✓ Fast 800V DC charging
- ✓ Strong towing capacity (up to 2,500 kg AWD)
What we don't
- ✕ Heavy kerb weight hurts efficiency
- ✕ Premium pricing for the top trims
- ✕ Tight boot with the third row deployed
Mercedes EQB
What we like
- ✓ Optional 7-seat configuration
- ✓ Premium Mercedes cabin and brand cachet
- ✓ Established dealer network
What we don't
- ✕ Third-row space tight for adults
- ✕ Range under 450 km WLTP lags segment
- ✕ Inherited ANCAP rating from older GLB testing
Frequently asked: Kia EV9 vs Mercedes EQB
Quick answers to the questions cross-shoppers most often ask about this pair.
- Which is cheaper, the Kia EV9 or the Mercedes EQB?
- The Mercedes EQB is the cheaper of the two — it starts at $89,100 versus $97,000 for the Kia EV9, a $7,900 difference. Prices shown are manufacturer recommended retail excluding on-road costs.
- Which has the longer driving range?
- The Kia EV9 has the longer WLTP-claimed range at 563 km, 140 km further than the Mercedes EQB's 423 km. Real-world range typically lands 10–20% below the WLTP figure depending on speed, terrain, climate and load.
- Which one charges faster on a DC fast charger?
- The Kia EV9 accepts a peak DC charging rate of 233 kW versus 100 kW for the Mercedes EQB. Peak rate only holds for a short window during the charging curve, so real-world 10–80% times often diverge less than the peak numbers suggest. Compatibility with 350 kW chargers depends on the vehicle's onboard architecture, not just the published peak.
- Which is quicker off the line?
- The Mercedes EQB does 0–100 km/h in 6.2 seconds — 3.2 s quicker than the Kia EV9's 9.4 s. EV acceleration figures hold up at speed better than equivalent petrol cars because electric motors deliver peak torque instantly.
- Is the Mercedes EQB better value than the Kia EV9?
- On paper the Mercedes EQB is $7,900 cheaper, but the Kia EV9 edges ahead on most other measurable specs. Whether the saving justifies the gap depends on which features matter most to you, and how much weight you give to brand and dealer factors.
Which one should you buy?
The short version, based on where each car pulls ahead.
Choose the
Kia EV9
if…
- ✓ maximum range matters (140 km further per charge)
- ✓ you regularly do long road trips (faster DC peak)
- ✓ peace-of-mind warranty matters (2 more years of cover)
Choose the
Mercedes EQB
if…
- ✓ you want to save $7,900 on the sticker
- ✓ you want quicker acceleration off the line
- ✓ you regularly load it up (132 L more boot)
Verdict reasoning is derived from published specs; brand preference, dealer experience and how a car drives are personal — always take a test drive before deciding.