Mazda CX-90 vs Denza B5

The Mazda CX-90 starts from $74,385 before on-road costs, while the Denza B5 opens at $74,990. That makes the Mazda CX-90 the more affordable entry point by $605.

Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $81,824 and $82,489 respectively.

Over 5 years, the running costs favour the Denza B5 by roughly $1,710 in fuel alone.

Both the Mazda CX-90 and Denza B5 hold a 5-star ANCAP safety rating. Adult occupant protection scored 91% for the Mazda CX-90 and 86% for the Denza B5.

Where the two diverge is in active safety technology. The Mazda CX-90 packs more ADAS features with 6 out of 10 key systems fitted, compared to 0 in the Denza B5.

Both include the essentials: core safety systems.

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

The Mazda CX-90 stands out with wireless Apple CarPlay/Android Auto, wireless charging and power tailgate that you will not find on the Denza B5. The Denza B5 counters with Apple CarPlay. Which feature set matters more depends on your daily routine and priorities.

The Mazda CX-90 uses a Petrol producing 254kW and 500Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 7.8 seconds.

The Denza B5 responds with a Petrol Turbo PHEV making 400kW and 760Nm, paired to a 1-speed auto driving all four wheels.

The Denza B5 has the clear power advantage at 400kW vs 254kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

The Mazda CX-90 measures 5,100mm long on a 3,120mm wheelbase, 212mm longer than the Denza B5 at 4,888mm (2,800mm wheelbase). The longer wheelbase on the Mazda CX-90 generally means more rear legroom.

For towing, the Denza B5 leads with a 3,000kg braked capacity vs 2,000kg. That 1,000kg difference matters if you regularly hitch up.

Based on 15,000km of annual driving, fuel costs roughly $2,337/year for the Mazda CX-90 and $1,995/year for the Denza B5. That is a $342 annual difference in favour of the Denza B5.

Estimated annual total: $2,337 (Mazda CX-90) vs $1,995 (Denza B5). The Denza B5 saves you roughly $342 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.

Warranty: 5 years / 999,999km (Mazda CX-90) vs 6 years / 150,000km (Denza B5). The Denza B5 has longer coverage.