Lexus NX vs BMW X3

The $14,400 gap between these two is the story of this comparison. At $71,700, the NX250 Luxury sits below the 2026-27 Luxury Car Tax threshold for standard vehicles ($80,809; the fuel-efficient threshold of $91,661 needs 3.5L/100km or better, which neither of these petrol SUVs meets). The X3 20 xDrive at $86,100 attracts LCT on the amount above that threshold, adding a few thousand to the effective cost for the buyer.

Driveaway, the NX250 Luxury lands around $78,000 to $80,000 depending on state. The X3 20 xDrive pushes past $93,000 to $95,000 driveaway when you factor in stamp duty, CTP, LCT, and dealer delivery. That is roughly a $15,000 gap at the register.

Financed over five years at 7% (typical for luxury cars), the NX costs roughly $200 less per month in repayments than the X3. Over the loan term, you save around $12,000 in total repayments.

Fuel costs favour the X3 at 7.5L/100km versus 8.6L for the NX. Both use premium unleaded (around $2.10/L at metro servos). At 15,000km per year, the X3 saves approximately $346 annually on fuel. Over five years, that is $1,730. A decent saving, but barely a dent in the $26,200 purchase price gap.

Resale is worth thinking about but not worth a fake number. We do not hold used sale prices, so we cannot tell you what either car retains. The structural point stands on its own: the Lexus starts about $14,000 lower, so at any given retention rate it has less money exposed to depreciation than the BMW does.

Insurance is also cheaper on the NX. Expect to pay roughly $1,800 to $2,400 annually for the NX250 versus $2,200 to $3,200 for the X3, depending on your demographics. The higher value and higher performance perception of the BMW pushes premiums up.

Both wear 5-star ANCAP ratings and both come equipped with comprehensive active safety suites. At this price point, anything less would be unacceptable.

The NX250 Luxury gets the Lexus Safety System+ 3.0, which includes pre-collision safety with pedestrian and cyclist detection (daytime and night-time), all-speed dynamic radar cruise control, lane departure alert with steering assist, lane tracing assist, automatic high beam, road sign assist, and proactive driving assist (which can adjust speed based on upcoming curves and speed limit changes). Lexus also includes blind spot monitor with rear cross-traffic alert and safe exit warning.

The X3 20 xDrive comes with BMW Driving Assistant, featuring front collision warning with AEB (pedestrian and cyclist detection), lane departure warning, speed limit info, and attention assist. BMW also includes parking assistant with reversing camera and front and rear parking sensors. The xDrive AWD system provides additional stability in wet conditions.

Both vehicles have comprehensive airbag packages including front, side, curtain, and knee airbags. Both have ISOFIX on the outer rear seats with top tether points across the back row.

In practice, both are very safe vehicles. The Lexus system is slightly more proactive with its predictive speed adjustment, while the BMW's stronger chassis dynamics give it better emergency handling characteristics. For everyday driving, both will look after you equally well.

One practical note: the NX250's slightly smaller dimensions (it is 70kg lighter than the X3) make it marginally easier to park in tight city spots. Both have parking cameras and sensors, but the NX is a little more manageable in urban environments.

At $59,900, the NX250 Luxury comes respectably equipped. You get a 9.8-inch touchscreen with wireless Apple CarPlay and wired Android Auto, a 7-inch digital instrument display, dual-zone climate control, leather-trimmed seats with power adjustment and heating (front), power tailgate, ambient interior lighting, an 8-speaker sound system, push-button start, LED headlights with adaptive function, and 18-inch alloy wheels.

The interior quality is Lexus-good, which means tight panel gaps, soft-touch materials on all the surfaces you actually contact, and a general sense of solidity. The NX cabin is a pleasant place to spend time, though the infotainment system can be fiddly compared to German rivals.

The X3 20 xDrive at $86,100 comes with BMW's curved display (a 12.3-inch instrument cluster and 14.9-inch touchscreen as a single unit), iDrive 9 with wireless Apple CarPlay and Android Auto, Vernasca leather upholstery, three-zone climate control, ambient lighting with selectable colours, a Harman Kardon surround sound system, heads-up display, powered front seats with memory, power tailgate, and 19-inch alloy wheels.

The BMW cabin is genuinely impressive. The curved display is beautiful, iDrive remains one of the best infotainment systems in the industry, and the materials feel a cut above. It should feel better at $26,200 more, and it does.

But the question is whether those extras are worth the premium. Heated seats, a power tailgate, leather, and a competent infotainment system: the NX has all of these. The X3 adds a bigger screen, better audio, heads-up display, and three-zone climate. Nice to have, but hardly essential.

Where the BMW pulls ahead most convincingly is in the driving experience. The iDrive system is more intuitive, the digital instrument cluster is more customisable, and the integration of all the tech feels more polished. If you are a tech-focused buyer who spends a lot of time interacting with the infotainment, the BMW is genuinely better.

This is a fascinating matchup because the power figures are nearly identical, but the driving experience is quite different.

The NX250 Luxury uses a 2.5-litre naturally aspirated four-cylinder making 152kW and 243Nm, paired with an 8-speed torque converter automatic and AWD. This is a traditional, proven powertrain. The naturally aspirated engine is smooth and predictable, the 8-speed auto shifts cleanly, and the AWD system distributes torque between front and rear as needed. It does the job without drama.

The X3 20 xDrive runs a 2.0-litre turbocharged four-cylinder making 150kW and 310Nm through a 7-speed dual-clutch automatic and xDrive AWD. Despite having 2kW less peak power, the BMW has 67Nm more torque, and crucially that torque is available much lower in the rev range thanks to the turbocharger. This makes the X3 feel noticeably more responsive in the mid-range: merging, overtaking, and climbing hills all feel easier.

The X3's 7-speed dual-clutch gearbox is sharper and more engaging than the NX's torque converter auto. Shifts are quicker, downshifts more willing, and in Sport mode the BMW feels genuinely athletic. The NX is smoother and more refined, but it does not reward spirited driving in the same way.

Fuel economy favours the BMW at 7.5L/100km versus 8.6L for the Lexus. The turbo engine is simply more efficient than the naturally aspirated unit, particularly on the highway where the turbo four can cruise at lower revs. Both use premium unleaded, so the per-litre cost is the same, but the X3 needs fewer litres per 100km.

For towing, the X3 has a substantial advantage at 2,500kg braked versus 1,650kg for the NX. If you tow a mid-size caravan, boat, or horsefloat, the BMW gives you 850kg more capacity. The NX's 1,650kg is adequate for a small box trailer or jet ski but limits your options for larger loads.

Ride quality is where personal preference really comes in. The NX rides softly, absorbing bumps and road imperfections with comfort-focused tuning. The X3 is firmer and more controlled, which makes it better in corners but harsher over rough surfaces. Neither is bad, but they are tuned for different priorities.

Boot space goes to the X3 at 570 litres versus 520 for the NX. That 50-litre difference is about the size of a large gym bag, so it is noticeable when you are packing for a weekend away. Both boots are wide, flat, and have power tailgates as standard.

With the rear seats folded, the X3 opens up to around 1,600 litres while the NX offers approximately 1,400 litres. Both are more than adequate for flat-pack furniture runs or loading up camping gear.

Rear seat space is comfortable in both. The X3 has a slight edge in rear legroom thanks to its longer wheelbase, but neither will leave adult rear passengers feeling cramped. Both have rear air vents and USB charging points.

Front seats are excellent in both. The BMW's Vernasca leather is slightly softer and more supportive, with more adjustment range and memory functions. The Lexus leather is good but does not quite match the BMW for long-distance comfort. Both have heated front seats.

Cabin noise isolation is an area where the NX quietly excels. Lexus has always prioritised NVH (noise, vibration, harshness) suppression, and the NX250 is remarkably quiet at highway speeds. The X3 is good but allows a touch more road noise through, particularly on coarse-chip surfaces that are common on Australian country roads.

Build quality is high in both. Panel gaps are tight, materials feel expensive, and there is nothing that rattles or squeaks. Both feel like the luxury vehicles they are. The BMW has a slight edge in design flair, while the Lexus has a slight edge in perceived solidity and quality of assembly.

Warranty goes to BMW here, which is unusual. The X3 20 xDrive comes with a 5-year unlimited-kilometre warranty, while the NX250 gets only 4 years or 100,000km. That is one area where Lexus lags behind, and the 100,000km cap is particularly relevant for high-kilometre drivers who might hit that mark before the four years are up.

Lexus has a strong reputation for reliability in this class, though we do not hold model-level reliability data and are not going to rank the two on it. The concrete version of that argument is the mechanical package: the NX250 uses a naturally aspirated four shared with high-volume Toyota models, which is simpler than the BMW's turbocharged unit and draws on a far larger parts pool.

BMW reliability has improved significantly in recent years, and the current X3 generation has been solid. But the complexity of the turbocharged engine, dual-clutch transmission, and advanced electronics means there are more potential points of failure compared to the Lexus's simpler naturally aspirated powertrain.

Servicing costs are where the BMW hits harder. BMW Service Inclusive packages can help cap costs, but out-of-warranty maintenance on a BMW is typically 30-50% more expensive than equivalent Lexus service. Lexus capped-price servicing runs around $400 to $600 per visit. BMW services tend to sit in the $500 to $900 range depending on the type of service.

Tyre and brake costs are also higher on the BMW. The X3 runs larger alloy wheels with run-flat tyres that cost $300 to $500 per corner to replace. The NX uses standard tyres in common sizes at $200 to $350 per corner. Over a five-year ownership period, two sets of tyres on each vehicle means a $600 to $1,200 difference.

We can put a number on two of those lines and not the rest. On purchase price and fuel, the NX250 Luxury comes in around $14,400 ahead, and its lower consumption widens that a little over five years. Insurance, servicing, consumables and resale would all move the total, and we do not hold those figures for either car, so we are not going to fold them into a single number. Get a servicing quote from both brands before you decide, because that is the line most likely to surprise you here.