2021 Audi Q5 40 TDI MHEV in District Green
37At 4.68 meters (184.3 in), the redesigned Audi Q5 is now 19 millimeters (0.75 in) longer – due primarily to its larger bumpers. Its width (excl. mirrors) of 1.89 meters (74.4 in) and height of 1.66 meters (65.4 in) remain unchanged. The long wheelbase of 2.82 meters (111.0 in) facilitates spacious interior proportions. Audi’s sliding rear bench plus with adjustable backrests is available as an option. When this is fitted, the luggage space measures 550 to 1,550 liters (19.4 to 54.7 cu ft). A variable folding floor mat comes as standard, with a power tailgate available as an option. Thanks to its intelligent material mix, the Q5 has one of the lightest bodyshells in the segment, while the cd figure of 0.30 is among the best-in-class. Refined aero-acoustics make for an exceptionally quiet interior.
The upgraded premium SUV comes to market in Europe as the Audi Q5 40 TDI (fuel consumption combined in l/100 km: 5.4-5.3* (43.6-44.4 mpg US); CO2 emissions combined in g/km: 143-139* (230-224 g/mi)). Its powerful two-liter four-cylinder diesel generates 150 kW (204 PS) and 400 Nm of torque (295 lb-ft). The aluminum crankcase weighs approx. 20 kilograms (44.1 lbs) less than that of the previous engine, while the crankshaft is around 2.5 kilograms (5.5 lbs) lighter.
The mild hybrid system (MHEV) contributes to the low fuel consumption. A belt-driven starter/generator (BSG) supplies the 12-volt vehicle electrical system, which incorporates a compact lithium-ion battery. The BSG recuperates braking energy and stores it in the battery. The MHEV system enables the Audi Q5 to coast with the engine off, and allows for start-stop mode at speeds below 22 km/h (13.7 mph). Overall, this results in a fuel-efficiency improvement of approx. 0.3 liters per 100 kilometers (62.1 mi). The Audi Q5 40 TDI (fuel consumption combined in l/100 km: 5.4-5.3* (43.6-44.4 mpg US); CO2 emissions combined in g/km: 143-139* (230-224 g/mi)) accelerates from zero to 100 km/h (62.1 mph) in
7.6 seconds and reaches a top speed of 222 km/h (137.9 mph).
The powerful diesel engine is not only efficient, but also clean – meeting the requirements of the latest Euro 6d-ISC-FCM emissions standard and EU 6 AP. Nitrogen oxide emissions are reduced significantly thanks to a new twin-dosing SCR system with dual AdBlue injection. The urea solution is added upstream of two SCR catalytic converters arranged in series. More engine versions will follow after the launch of the updated Q5: two further power variants of the four-cylinder TDI, a V6 TDI and two 2.0-liter four-cylinder TFSI engines. The successful Q5 TFSI e with plug-in hybrid drive will also be offered again in two output variants.
In the Audi Q5 40 TDI (fuel consumption combined in l/100 km: 5.4-5.3* (43.6-44.4 mpg US); CO2 emissions combined in g/km: 143-139* (230-224 g/mi)), a seven-speed S tronic sends the engine power to the quattro all-wheel drive with ultra technology, which also contributes to efficiency. In normal operation, it sends all the power to the front wheels. If all-wheel drive becomes necessary e.g. in slippery conditions or during dynamic driving, two clutches connect the rear wheels to the driveline in fractions of a second – in many situations, this happens predictively. In terms of traction and performance, the system leaves nothing to be desired.
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