Break out those magnifying glasses, Acura has unveiled a minor facelift for the 2011 TSX.

Since the changes are nearly impossible to spot, the company has kindly informed us the updated model features a revised front fascia, a new grille, modified fog lights, and restyled taillights. Additionally, the four-cylinder TSX has 17-inch five-spoke aluminum wheels while the V6 wears 18-inchers.

Mimicking the exterior, the cabin has a host of minor changes including a revised center console, darker trim, and brightly finished door handles. To help keep the interior whisper quiet, engineers installed a new acoustic front windshield, thicker side glass, and additional sound-deadening insulation. Furthermore, the Technology Package now includes an LED backlit full VGA navigation screen which boasts a 400-percent increase in resolution (compared to the previous screen).

Besides the aesthetic tweaks, Acura has made "numerous improvements" to the engines. While there aren't any power increases, the 2.4-liter four-cylinder returns 22 mpg city / 31 mpg highway while the 3.5-liter V6 gets 19 mpg city / 28 mpg highway (improvements of 1 mpg city and highway each).

On sale later this month, the 2011 Acura TSX will be priced from $29,610.

Gallery: 2011 Acura TSX facelift unveiled in L.A.

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