We knew it was coming and now it is official – the Aston Martin DBX Straight-Six has made its official debut and it’s only for China. Arriving as the brand’s first six-cylinder model in more than two decades, the luxury SUV gains a Mercedes-Benz-sourced engine. It’s a more efficient and smaller engine than the DBX’s V8 powertrain as an answer to China’s tax rules.
Under the hood of the DBX Straight-Six you’ll find a hybridized 3.0-liter turbocharged gasoline engine, developing a peak output of 435 horsepower (320 kilowatts) and 384 pound-feet (520 Newton-meters) of torque. If those numbers sound familiar to you, that’s because they are identical with the Mercedes-AMG 53 family of models that uses the exact same engine. In the DBX, the power reaches all four wheels through a nine-speed automatic gearbox – also sourced from Mercedes – and an all-wheel-drive system.
Gallery: Aston Martin DBX Straight-Six 2021
The British manufacturer says the DBX Straight-Six accelerates from a standstill to 62 miles per hour (0-100 kilometers per hour) in 5.4 seconds and has a top speed of 161 mph (259 kph). Compared to the V8-powered model, the six-cylinder version of the SUV is 0.9 seconds slower in the sprint and 20 mph (32 kph) slower in the maximum velocity. Aston Martin’s Chinese division lists an average fuel consumption of 10.5 liters per 100 kilometers (22.4 miles per gallon), though, weirdly, it is measured by Europe’s WLTP cycle, which is different from China’s regime.
Other mechanical improvements include a Mercedes-AMG-sourced limited-slip rear differential, electronically-controlled anti-roll bars, adaptive air suspension, and a carbon-fiber driveshaft. Six-piston front and single-piston rear calipers provide the stopping power, hiding behind massive wheels with sizes of between 21 and 23 inches. If you live in China, you can already put an order for the DBX Straight-Six at a starting price of 1.898 million Chinese yuan or around $297,400 at the current exchange rates.
Source: Aston Martin
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