Subaru puts the boxer diesel engine into the Impreza hatchback

Article by Christian Andrei, on August 29, 2010

Subaru will release a diesel-powered engine for its hatch Impreza. The horizontally opposed engine develops 150 PS and 350Nm (258 ft. lbs), boasts of exceptional refinement, flexibility and throttle response as well as an impressive fuel consumption 47.9 mpg. Emissions are recorded to be as low as 155 g/km CO2.

While the performance is not at a sportscar level, it is sufficient for everyday driving - 127 mph top speed and 0-62 mph in 9.0 seconds.

The diesel-powered Impreza has awesome handling. Its low center of gravity coupled with Symmetrical All-Wheel drive provide superb handling and traction supported by the security of Subaru Vehicle Dynamics Control.

Other features of the Impreza include 17-inch alloys, HID headlamps with pop-up washers, electrically-folding door mirrors, front projector foglamps, 6CD player with MP3 facility, cruise control, windscreen wiper deicer, climate control and heated sports seats.

For safety, front, side and curtain airbags were installed. The Impreza 2.0D comes in a choice of two grades, RC and RX. The former comes with all the equipment described above yet is still priced at a competitive £20,000 on the road.

Step up to the RX at £22,255 and gain keyless smart entry, an electric sunroof, rear privacy glass, full leather trim and electric adjustment of the driver´s seat.

Unlike that of the previous models, the diesel Impreza is similar to the petrol-engined versions and designed in a manner that would appeal to a wide-range of consumers. While all of the models have the same five-door body, it is wider compared to the Sport Wagon. With a wheelbase that is longer by 95 mm, the interior is not just accommodating but even more comfortable.

The vehicle is also lighter and with a lower drag coefficient, it has less emissions and lower fuel consumption. The style of Impreza mixes assertiveness and elegance. As a result of the side sill spoilers, broad shoulder lines, side body creases, and wide track, the Impreza gets a sporty stance.

Giving it a unique personality are the short rear overhang, the bonnet scoop and the headlamp surrounds shaped like a hawk. The 17-inch alloy wheels come as standard. In addition to its exceptional look, the Impreza is a vehicle that is easy to use and even live with. Access to the interior is made easy with the wide-opening doors and the amazing headroom.

The height-adjustable seat enables the driver to get in the best driving position and to utilize the reach and rake-adjustable steering wheel. The cabin has enough light and air to give it visibility. Because of the compact multi-link rear suspension, the cargo area is optimized. It is flexible enough to store in a pushchair or even take in the weekly grocery or the luggage for a weekend getaway.

Making this process simpler is the addition of the electronic one-touch tailgate. For mornings during the cold winter months, the standard windscreen wiper de-icers are of great help. In addition, the heated front seats help with the driving. For entertainment, one can listen to music through the 6CD autochanger/radio that offers MP3 and WMA playback though high fidelity 10-speaker set up.

For those who have their favorite playlist on a portable MP3 player, it can be plugged in through an auxillary-in socket that is placed at the center of the storage box. Since the RX model offers keyless access, all one needs is a smart key and with the touch of a button, can opens either of the front doors. Once the driver is behind the steering wheel, it is easy to start the engine with just a button located on its instrument panel.

Press Release


Having already earned its stripes in Legacy, Outback and Forester, Subaru’s widely-acclaimed 150 PS Boxer Diesel engine is now available in the stylish Impreza, offering the perfect complement to the model’s supreme five-door practicality. The sporty, yet sophisticated, Impreza 2.0D offers customers a unique take on the small family car, combining spacious, hatchback flexibility and diesel frugality with the superb, confidence-inspiring grip delivered by Subaru’s trademark Symmetrical All-Wheel drive system.

The newcomer clocks up a refreshing 47.9mpg on the combined cycle to give a potential range of 670 miles on a full tank. In true Impreza tradition it’s no slouch, capable of hustling from 0 to 62 mph in a distinctly crisp 9.0 seconds before hitting a top speed of 127 mph.

The Boxer engine layout – very much a Subaru speciality – comes with all the benefits typical of its kind. Its compact size means that it sits low-down in the chassis to give every Impreza an ultra-low centre of gravity for outstanding handling, great grip, reduced body roll and agile steering. The horizontally opposed cylinder layout ensures class-leading noise, vibration and harshness and a smooth response that should maintain Subaru’s established reputation as a manufacturer of engines that last for years.

But beyond its exceptional refinement this punchy turbodiesel offers excellent flexibility and good throttle response, delivering a massive 350 Nm (258 lb ft) of peak torque between 1800 and 2400 rpm. Ably assisted by the carefully selected ratios of the six-speed manual gearbox, effortless performance in everyday driving conditions comes as standard.

Teaming the front strut/rear multi-link chassis with the sure-footedness of Subaru’s permanent Symmetrical All-Wheel Drive makes for a winning combination. Backed up by Subaru’s Vehicle Dynamics Control stability system, it means owners can drive safely in the knowledge that their Impreza will instantly divert power from the wheels that slip to the wheels that grip – it providing the security and reassurance of active safety at all times, whatever the road conditions.

What makes the Impreza Boxer Diesel driving experience all the more satisfying is the host of luxuries that come as standard, such as climate control air conditioning, Xenon headlamps complete with pop-up washers, four power windows, 6CD autochanger, front foglamps, heated front seats and cruise control. The large door mirrors, which can be folded in at the touch of a button, are electrically heated and adjustable.

The Impreza 2.0D comes in a choice of two grades, RC and RX. The former comes with all the equipment described above yet is still priced at a competitive £20,000 on the road. Step up to the RX at £22,255 and gain keyless smart entry, an electric sunroof, rear privacy glass, full leather trim and electric adjustment of the driver’s seat.

Spacious and practical
Like its petrol-engined siblings, the diesel Impreza is an altogether more practical proposition than its predecessor, designed with the express aim of appealing to a wider audience. All models share the same spacious five-door body, wider than the previous Sport Wagon and with a 95mm longer wheelbase for a comfortable and accommodating interior. It’s also a lighter car with a lower drag co-efficient to aid fuel consumption and reduce emissions.

The Impreza’s styling is a subtle blend of elegance and assertiveness, with a sporty stance created by the wide track, broad shoulder lines, side sill spoilers and stylish side body creases. The distinctive ‘hawk-like’ headlamp surrounds, overt bonnet scoop and short rear overhang give it a distinct personality, while 17 inch alloy wheels are fitted as standard.

Beyond its stunning looks is a car that is easy to live with and easy to use. Wide-opening doors and excellent headroom ensure effortless access to the cabin, and once inside, the driver has the benefit of a reach and rake-adjustable steering wheel, plus a height-adjustable seat to create the ideal driving position.

The light and airy cabin provides great visibility, while the cargo area has been designed to make the most of all the available space – helped in no small part by the compact multi-link rear suspension. It delivers the flexibility to fold in a pushchair, swallow the contents of the weekly shop or load up the family’s luggage for that long trip away. An electronic one-touch tailgate release makes the process that little bit easier.

On those cold winter mornings the standard equipment windscreen wiper de-icers and heated front seats will rapidly get you underway in comfort.

In-car sounds are delivered by a 6CD autochanger/radio with full MP3 and WMA playback via a high fidelity 10-speaker set up. And for those who prefer to listen to their favourite sounds on their portable MP3 player, there’s a handy aux-in socket located in the centre storage box for playback through the car’s speakers.

The RX model has the convenience of keyless access which simply requires a smart key to be kept in a handbag or pocket and a button to be pressed on either of the front doors to gain access. Once behind the wheel, the engine is fired up using a push button on the instrument panel.

All models come with a Thatcham Category 1 alarm and immobiliser.

Other premium touches on both models include a gas strut-assisted bonnet, LED (light-emitting diode) tail lamps, metallic interior decoration and leather trimmed steering wheel, gearknob and handbrake lever. Design cues for the interior call upon the multi-million pound investments Subaru has made in improving interior quality, as seen first in the Subaru Tribeca.

Clear, highly legible main instruments are illuminated with ambient blue lighting for improved visibility and surrounded by chrome plated bezels. Switching on the ignition prompts the instrument needles to sweep satisfyingly around their dials before returning to their rest position.

Outside temperature, fuel consumption and a digital clock are displayed at the top of the centre panel which falls easily within the driver’s line of sight. Beneath it is the audio system with its ergonomically-designed buttons, backed up by steering wheel mounted controls.

Climate control air conditioning also comes as standard, with simple to use dial controls for fan speed, temperature selection and distribution.

All four doors have useful storage bins, large enough to hold a 720 ml drinks bottle, while the glovebox with its damped lid and LED lighting is able to swallow 12 CDs. On the centre console there’s a useful storage tray complete with blue illumination, two cupholders and a large storage box/centre armrest. The latter contains the audio aux-in socket plus a 12V electrical socket.

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