AutoExpress test drives and compares the 2013 BMW 320d against the 2014 Lexus IS300h and 2014 Audi A4. A hybrid versus a super efficient diesel and another fuel conscious diesel from Audi.
The Lexus gets a 2.5-liter naturally aspirated petrol engine couples to an electric motor, together developing 220 horsepower. The Lexus manages 54.7 mpg (4.3 l/100 km) and it’s the only car in this test to emit less than 100g/km. It beats the Audi A4 in terms of fuel economy, but the BMW 3 Series edges it slightly with 68.9mpg.
The BMW 320d EfficientDynamics has uses a 2.0 liter diesel engine producing 163 horsepower and 380 Nm (280 lb-ft) of torque, and has an average fuel consumption of 57.4 mpg (4.1 l/100 km).
These are the tech specs for the Audi A4 TDI: 1968cc, 4cyl, FWD, 134bhp, 236lb ft, 65.7mpg, 112g/km CO2, 0-62 in 9.3secs.
In terms of performance, the three cars are quite closely matched. The BMW and the Lexus are both quick off the line due to their rear-wheel drive, and both can reach 0-60mph in 7.8 seconds. The Audi, however, took 8.4 seconds.