The premium electric SUV segment has exploded seemingly overnight. Just twelve months ago, the Audi e-tron had the field largely to itself, and now buyers face an embarrassment of riches. Audi's freshly revealed Q8 e-tron is the latest contender, so naturally we lined it up against two of its fiercest rivals - the BMW iX and the Polestar 3 - to see how it stacks up.
Interestingly, while Europe classifies these machines as full-size SUVs, they slot into the mid-size bracket in the United States. What complicates this head-to-head is that the BMW iX is the only one you can actually buy right now. Using our comparison tool, we selected three versions with the closest possible specifications - the Audi Q8 55 e-tron, the BMW iX xDrive50 and the Polestar 3 LR.
Performance
The Audi finds itself on the back foot immediately. Despite being the newest model here on paper, it posts the slowest acceleration of the group. Keep in mind we are comparing mid-level trims - had we brought the SQ8 along, it would have faced the BMW iX M60, and that matchup would have been even less flattering. That said, calling the Audi slow requires context: launching what is essentially a school bus to 100 km/h in 5.6 seconds will still raise your pulse. There's no escaping the verdict, though - the BMW dominates this category, which is remarkable considering it is both the longest and the tallest vehicle here. It stands nearly 8 cm taller than the Polestar 3 and 6 cm taller than the Audi. Logic suggests that height penalty should hurt its range, yet the BMW proves to be the most efficient of the trio, wearing its size surprisingly well.
| Audi Q8 55 e-tron | BMW iX xDrive50 | Polestar 3 LR | |
|---|---|---|---|
| Power | 408 HP (300 kW) AWD | 523 HP (385 kW) AWD | 489 HP (360 kW) AWD |
| Torque | 664 Nm (490 lb-ft) | 765 Nm (564 lb-ft) | 840 Nm (620 lb-ft) |
| 0 to 100 km/h | 5.6 seconds | 4.6 seconds | 5 seconds |
| Top speed | 200 km/h (124 mph) | 200 km/h (124 mph) | 210 km/h (130 mph) |
Battery and Range
All three contenders rely on 400V electrical architectures with liquid-cooled battery packs. The Polestar stands apart as the only one using a ternary (NMC) chemistry, and its pack is fractionally the biggest - though in reality, every car here carries more than 100 kWh beneath the seats, which is more than adequate for daily duties or extended road trips. WLTP range figures are tightly clustered, with the BMW edging out a narrow victory. The Polestar, however, charges the quickest of the three - assuming you can locate a 250 kW DC charger - and its vehicle-to-grid capability means it can double as a household backup power source. The BMW delivers another surprise: despite its larger footprint, it records the lowest drag coefficient. The Polestar's low-slung stance and sophisticated aerodynamics simply can't match the slipperiness of BMW's shape.
| Audi Q8 55 e-tron | BMW iX xDrive50 | Polestar 3 LR | |
|---|---|---|---|
| Capacity | 106 kWH usable (total 114 kWh) | 105.2 kWh usable (total 111.5 kWh) | 107 kWh usable (total 111 kWh) |
| Type | Li-ion 400V liquid cooled | Li-ion 400V liquid cooled | Li-NMC 400V liquid cooled |
| Range WLTP | 582 km | 611 km | 610 km |
| AC charging | Type 2 11 kW and 22 kW | Type 2 11 kW | Type 2 11 kW |
| DC charging | CCS max 170 kW | CCS max 200 kW | CCS max 250 kW |
| DC Charging 10 to 80% SoC | 31 minutes | 35 minutes | 30 minutes |
| Drag coefficient | 0.26 | 0.25 | 0.296 |
Size does matter
In the world of electric vehicles, dimensions - and weight in particular - carry enormous significance. Each of these SUVs stretches to nearly five meters, with the BMW claiming the greatest length and the Polestar being the most compact. The Audi pulls off an unexpected win on cargo capacity, which is remarkable given that the Q8 is the only EV here not riding on a purpose-built electric platform. The BMW and Polestar were engineered as EVs from day one and theoretically should have exploited that advantage. Instead, it is the Audi's intelligent packaging that yields both the largest boot and the biggest frunk. The Polestar offers the least luggage room, and its rakish roofline further limits space for bulky items. The BMW skips the frunk entirely.
| Audi Q8 55 e-tron | BMW iX xDrive50 | Polestar 3 LR | |
|---|---|---|---|
| Dimensions mm | 4,915 x 1,937 x 1,633 | 4,953 x 1,967 x 1,695 | 4,900 x 1,968 x 1,614 |
| Dimensions imperial | 193.5 x 76.3 x 64.3 inches | 195.0 x 77.4 x 66.7 inches | 192.9 x 77.5 x 63.5 inches |
| Wheelbase | 2,928 mm (115.3 in) | 3,000 mm (118.1 in) | 2,985 mm (117.5 in) |
| Ground clearance | 172 mm (6.8 inches) | 203 mm (8 inches) | 201 mm (7.9 inches) |
| Unladen weight | 2,595 kg | 2,585 kg | 2,584 kg |
| Trunk | 569 l (seats down 1,637 l) | 500 l (seats down 1,750 l) | 484 l (seats down 1,411 l) |
| Frunk | 62 l | No | 32 l |
Design
On the styling front, Audi plays it safest of all, while Polestar charts a middle course between restrained and forward-thinking aesthetics. BMW, meanwhile, marches to its own drumbeat - and does so unapologetically. Want to turn heads and spark debate? The BMW is your weapon of choice. Prefer to fly under the radar? The Audi disappears into any crowd. The Polestar lands somewhere in between, guaranteed to start conversations. You can stack up the exterior looks of all three with our pic comparison tool, and the same tool lets you examine their cabins side by side here.
Safety and Comfort
Buyers in this price bracket rightfully demand cutting-edge safety and comfort kit, and honestly, none of these three disappoints. That said, the Polestar arrives with the most generous standard equipment list. The BMW is the sole contender charging extra for air suspension, while the Audi makes do with the smallest displays - though the Polestar's razor-thin driver screen requires an adjustment period of its own. The Polestar also leads on passive safety with nine airbags fitted as standard.
| Audi Q8 55 e-tron | BMW iX xDrive50 | Polestar 3 LR | |
|---|---|---|---|
| Center display | 10.1" Full HD | 14.9" | 14.5" |
| Instrument cluster | 10.25" | 12.3" | 9" |
| Head-up display | 8.6" augmented reality | augmented reality | projector type |
| Suspension | Air-spring + adjustable shocks | hydraulic damping, air suspension optional | adaptive air-suspension + active dampers |
| Wheels | R19, R20, R21, R22 | R20, R21, R22 | R21, R22 |
| Heatpump | Yes | Yes | Yes |
| Airbags | side, front + rear + head | side, front + rear + head | side + front + rear + head (9) |
| ADAS | 5 radars, 5 cameras, 12 sensors. Night Vision Assist, Lane Keeping Assist, Traffic Sign Recognition, Warn and Brake Assist, Pedestrian/cyclists protection, Exit Warning, Rear and Front Cross Traffic Alert, High Beam Assist | Long range radar (300 m), corner short range radars (4 units), 8MP front camera, Assisted Driving View, Rear Crossing-Traffic Warning, Exit warning function, Parking Assist Professional, Steering and Lane Control Assistant | 1 LiDAR, 5 radars, 5 cameras, 2 interior cameras, 12 sensors. Lane Keeping Aid, Blind Spot alert, Collision risk warning, Rear Cross traffic alert, Driver Alert Control, Road Sign information, Active high beam, Emergency brake lights, Collision avoidance (incl. cyclists and pedestrians), Collision warning at night, Lane Departure Warning, oncoming traffic collision avoidance, Cross Traffic Alert with brake support, Post-Impact Braking |
Availability and Prices
Audi has yet to lock in official pricing, but we can make an educated guess by examining what the outgoing e-tron costs relative to the BMW iX and Polestar 3. Make no mistake - none of these vehicles comes cheap, and all three sail perilously close to the €100,000 mark once you start ticking option boxes. The BMW iX is the only one in showrooms today; the Audi arrives early next year, while Polestar 3 hopefuls will need genuine patience - deliveries aren't scheduled to begin until late next year.
| Audi Q8 55 e-tron | BMW iX xDrive50 | Polestar 3 LR | |
|---|---|---|---|
| Announced | 2022 November 9 | 2020 November | 2022 October 12 |
| Status | Coming soon - expected Q1 2023 | Released January 2022 | Coming soon - expected Q4 2023 |
| Starting price | £80,000 €85,300 | £93,900 €100,000 $84,800 | £79,900 €88,600 $83,900 |
One detail worth highlighting: the Audi is the only model offered in two distinct body styles - a conventional SUV and a sleeker Sportback. In fact, the Q8 Sportback arguably makes for a more natural rival to the Polestar 3, since both trade rear headroom and cargo volume for a more dramatic silhouette.
So which one wins? There is no definitive answer here. The quickest car wears polarizing styling, while the most conservatively styled one delivers equally conservative straight-line pace. The Polestar 3 reads brilliantly on a spec sheet, but a spec sheet is where it will stay for another year. The original Audi e-tron won a loyal following, and the Q8 e-tron is perfectly positioned to build on that momentum. As for the BMW, its performance credentials are genuinely impressive - the question is whether that's enough to compensate for its divisive looks and a stingy standard equipment list.
