Audi will up the fuel efficiency ante with the addition of two new models that bring a new miles per gallon level to the A4 lineup that has never been reached. Packing 2.0-liter TDI engines, the pair of new models – a sedan and an Avant (wagon) – boast near best-in-class fuel economy ratings of 53.5 mpg (U.S.) and 51.1 mpg, respectively. In addition, the sedan's emissions now stand at 115 grams CO2 per kilometer, while the wagon version trails ever so slightly at 120 g/km CO2.

Increased efficiency often comes at the expense of performance, but Audi claims that its 2.0-liter TDI mill makes no such sacrifice. Engine output is listed at 136 horsepower and torque at 236 pound-feet which combine to propel the A4 sedan to 62 miles per hour in 9.5 seconds and on to a top speed of 134 mph. The wagon, with its added weight, completes the sprint to 62 mph in 9.8 seconds and continues to 129 mph before packing it in. Both models feature a six-speed manual trans with slightly lengthened gear ratios, some aerodynamic tweaks aimed at improving drag and come shod with low-rolling resistance tires.

Pricing for the A4 2.0 TDI sedan starts at €31,600 ($45,000 U.S. at the current exchange rate) and the A4 Avant 2.0 TDI rings in at €33,250 ($47,300 U.S.). Both models are currently available only in Germany, but we suspect that other countries will be added soon.

[Source: Audi]


Audi boosts efficiency again: A4 consumes just 4.4 liters per 100 km (53.46 US mpg)

* Sedan emits 115 grams of CO2 per kilometer (185.07 grams per mile)
* Powerful two-liter TDI with 100 kW (136 hp) and 320 Nm (236.02 lb-ft) of torque
* Potent technologies from the modular efficiency platform

Audi is further improving the efficiency of its models. Starting immediately, two new versions of the best-selling A4 that consume less fuel than ever are available in Germany. The sedan consumes just 4.4 liters of diesel per 100 km (53.46 US mpg) on average, with CO2 emissions of 115 grams per km (185.07 g/mile). These same figures for the A4 Avant are 4.6 liters (51.13 US mpg) and 120 grams (193.12). CO2 emissions have been reduced by four and nine grams, respectively, compared with the previous models.

Efficiency at Audi does not come at the expense of sportiness. The new models have powerful engines. Their two-liter TDI generates 100 kW (136 hp) and 320 Nm (236.02 lb-ft) of torque, the latter of which is available between 1,750 and 2,500 rpm. The sedan accelerates from zero to 100 km/h (62.14 mph) in 9.5 seconds on its way to a top speed of 215 km/h (133.59 mph); the Avant completes the standard sprint in 9.8 seconds and reaches 208 km/h (129.25 mph).

The two new A4 models use the technologies from Audi's modular efficiency platform. All the gear ratios of their six-speed manual transmissions were lengthened slightly, and the forged 16-inch alloy wheels are shod with 206/60 tires that have been optimized with respect to rolling resistance. Aerodynamic tweaks to the body and a lower ride height improves the drag coefficient, while the on-board computer with efficiency program gives the driver tips about when to shift and on fuel-efficient driving.

Audi offers the two new efficiency top models in the A4 series in the Attraction trim line. The Audi A4 2.0 TDI (100 kW 115 g CO2/km) has a base price of €31,600; prices for the A4 Avant 2.0 TDI (100 kW 120 g CO2/km) start at €33,250.

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