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The Good

Class-leading fuel economy and interior space coupled with some potent engines and a comfortable ride only bolster the 2010 Subaru Legacy’s already strong foundation in its class.

The Bad

The non-turbo 2.5 is slightly underpowered, but it’s the sloppy six-speed manual that really disappoints in the 2010 Legacy.

The CarGurus View

It’s because the Legacy does so many things right that the poor performance of its six-speed manual transmission is such a disappointment. The 2.5GT was always an odd duck in the trim lineup, but beloved, and with the six-speed being the only option for that trim, it leaves it dead in the water. Non-turbo versions are sluggish, but not painfully, so if you don’t need the speed of the 3.6R trims, the 2.5is may be your best bet.

At a Glance

A twenty-year lifespan provides a lot of time for refinement, and Subaru had a heck of a fine starting point with the Legacy. Before the official unveiling at the New York International Auto Show (April 10th-19th), Subaru revealed specs and pics for the 2010 Legacy, showing us a car that's bigger, taller, and more powerful.

The new Legacy has been redesigned and is almost 3 inches larger all around, including the wheelbase, stretching its midsize limits slightly. This all-wheel-drive (AWD) four-door sedan additionally gets some new trim levels and a new top-tier six-cylinder engine, as well as modifications to its four-cylinder choices, improving power and economy. Even with more changes and additions inside as well, the price for the base 2.5i starts at just under $20,000, $800 less than in 2009.


2.5i trims are powered by a 2.5-liter boxer-four producing 170 hp and 170 lb-ft of torque that comes in at 4,000 rpm as opposed to 4,400 rpm in 2009, thanks to a resin-based intake manifold that lowers weight. Improved cooling and exhaust tuning has also increased fuel economy, bumping the six-speed manual transmission to 19/27 mpg, while the CVT option for this engine achieves a class-leading 23/31 on regular-grade gasoline, and is the first longitudinally mounted CVT in an AWD car.

The 2.5GT gets a turbocharged version of the 2.5-liter engine, with increased power and efficiency over last year. Numbers show at 265 hp and 258 lb-ft of torque, an increase of 22 hp and 17 lb-ft of torque over last year's, but even more impressive is that those numbers show up at 5,600 and 2,000 rpm, respectively, as opposed to 6,000 and 3,600 for 2009. This means a 0-60 sprint of 5.9 seconds – 2 seconds faster than last year! And all of this due to a modified turbocharger that also increases efficiency to 18/25 with the six-speed manual, the only transmission available for the engine, although premium-grade gasoline is required.

The real performer is the 3.6-liter boxer six in the 3.6R trims. With another increase of 11 hp and 32 lb-ft of torque, the turbocharged six puts out 256 hp and 247 lb-ft of torque, drops its peak hp rpm to 6000, and achieves 18/25 mpg on regular-grade gasoline, even with the strange choice of the five-speed automatic that is the sole offering.

Ride & Handling

The Legacy's MacPherson front struts and double wishbone rear suspension have been revised this year in a configuration that is now being used in all Subarus. With steering response that has been described as slightly overboosted, the Legacy is not known for handling like a slot car, but it is more than capable, especially with the lauded Subaru AWD system. Still, don’t be surprised by body lean if you push it too hard in the corners, as comfort seems to be the primary concern here. As such, the 16-inch wheels on the 2.5i, and the 17-inch units on the premium 2.5 and 3.6 trims absorb all but the most aggressive bumps with poise, and even the 18-inch 2.5GT wheels measure up quite well. Subaru is also boasting a 20% increase in braking response and power, thanks to a revised booster. It’s a welcome upgrade, even though the previous Legacy didn’t exactly suffer from poor braking.

Cabin & Comfort

Due to the Legacy’s growth for 2010, rear passengers enjoy an additional 3.9 inches of legroom, as well as a substantially larger door opening. A 3.3-inch height increase means additional headroom front and rear for overall interior space that is well above the class average. Even those over 6 feet tall will have no issue with either leg or head space, even with the optional sunroof.

Controls are well placed, and the main gauges are easy to read, although some have complained about the information panel being too small for quick glances. Interior materials are well-fitted, but are substantially made up of the hard plastics that are usual for the class. Still, the Legacy manages to avoid looking cheap, even in its entry-level trims.

Subaru attempted to create a more open space, eliminating the lever-operated parking brake in favor of a cleaner electronic option, and redesigning the instrument panel along the same lines. The three-spoke steering wheel has been redesigned and includes audio controls and paddle shifters for automatic trims. Interior storage has also been increased with a larger console box and armrest.


With six standard airbags, four-wheel antilock disc brakes with a stronger boost system, anti-skid and front seat active head restraints, the Legacy has managed to earn a 5-star rating in all NHTSA test categories, a substantial achievement.

What Owners Think

The Legacy's increases in both fuel economy and interior room have received much deserved universal praise, but a painfully vague six-speed manual transmission frustrates many owners, especially considering it's the only option for the otherwise excellent 2.5GT trim.


A CarGurus contributor since 2008, Michael started his career writing about cars with the SCCA - winning awards during his time as editor of Top End magazine. Since then, his journalistic travels have taken him from NY to Boston to CA, completing a cross-country tour on a restored vintage Suzuki. While his preference is for fine German automobiles - and the extra leg room they so often afford - his first automobile memories center around impromptu Mustang vs. Corvette races down the local highway, in the backseat of his father's latest acquisition.

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Subaru Legacy Questions

Squeak & Loss Of Momentum

Hi there - On Thanksgiving this year, while on the highway our Subaru did something weird...it felt like my foot had slipped off the gas for a split second, (loss of momentum) and it was accompani...

2010 Subaru Legacy Shutter

hey, so i just recently bought a 2010 subaru legacy from a private seller. Has 260k on the body, engine has been replaced with 115k on it, full paperwork. When it idles, the car shutters slightly w...


Shut Down After Changing Timing Belt

A guy tried to install a/c belt by rotating crank bully forward and backward. Suddenly the car wont start, tried several time. The work shop guy suggest the timing belt adjustment was changed and need...

Clicking Noise That Is Draining Battery

my alarm system indicator light was on but no longer. Now there is a constant clicking noise coming from my door panels. Can you tell me any thing? thank you very much

Brake, Cruise Lights On Blinking- SOLVED, But Is This Even Possible?

I've owned a 2010 Subaru Legacy for about 2.5 years, and about a year in, the CEL came on and the Brake and Cruise lights started blinking. Checked the codes, said O2 Sensor. OK, there's 240k on t...