Speed limits vary around the United States depending on where you are driving. Most drivers do not travel at the posted speed limit. Usually, they are going at least 5 mph over the posted speed sign.

There are certain cars that are more prone to getting a speeding ticket than others. You would think that the cars with larger engines have the greater chance of getting caught for speeding than smaller cars. Cars with V8 engines are able to accelerate and drive faster than cars with a four-cylinder engine. However, that is not always the case. AOL Auto conducted a survey of the top 10 cars most likely to get caught for spending. Here is the list. Imagine David Letterman presenting the list on his late-night show.

There are two vehicles tied for Number 9. The Audi A4 and the Toyota Matrix are 2.64 times the average to getting a speeding ticket. Tied with the Toyota Matrix, Audi's A4 is one of the many stalwarts in the company's stable, offering spiffy design elements and quality accoutrements. It can be had as either a sedan, wagon (Avant) or Cabriolet body styles, and buyers can choose either the Quattro AWD system or the FrontTrak FWD system on sedans and Cabriolets. For '09, the sedan and Avant have been redesigned.

Tied with the Audi A4, Toyota's Matrix was totally redesigned for '09, is now available as a '10 model. It's Toyota's synergy of zippy sports-car appeal with the utility of a cute-ute. It comes in three FWD drive trim levels and one AWD trim level (S). The Base is powered by a 1.8-liter 132-hp four-cylinder, while the others get power from a 158-hp 2.4-liter four-cylinder.

#8 Ticket Prone vehicles is the Subaru Outback with a Speeding Ticket Rating: 2.66 times average. The Outback wagon has two-tiered appeal. The sport-wagon design beckons off-roaders, and its roomy interior appeals to both sportster types and to those who have other cargo-hauling needs. The Outback offers three engine choices, depending on the trim level -- a 170-hp four-cylinder, a 243-hp turbocharged four-cylinder, or a 245-hp six-cylinder.

#7 Ticket Prone vehicles are the Scion xA with a Speeding Ticket Rating: 2.75 times average. The Scion xA was discontinued after 2006 to make room for the xD, so the price listed reflects its 2006 new-car MSRP. Many xA's are still out on the road, given Toyota's rep for reliability. It's a solid, small five-passenger hatchback, is a youthful entry like all Scions, and is powered by a 103-hp 1.5-liter four-cylinder.

#6 Ticket Prone cars is the Mercedes-Benz CLS 63 AMG with a Speeding Ticket Rating: 2.76 times average. The CLS63 AMG is the sportier entry in Mercedes-Benz's "youthful" CLS-Class, which also includes the CLS550. The CLS is Mercedes' fusion of coupe-like sporty appeal with some of the more practical elements of a sedan. The more aggressive CLS63 AMG is powered by a brawny, 507-hp V8 engine.

#5 Ticket Prone vehicles is the Toyota Camry Solara with a Speeding Ticket Rating: 3.06 times average. The Solara is Camry's coupe / convertible entry, so it's sportier than the more high-volume Camry family sedan -- although it does offer the utility of a full rear seat. Coupe buyers get a choice between the 155-hp 2.4-liter four-cylinder and the 210-hp 3.3-liter V-6, while the even sportier ragtop is only available with the V-6.

#4 Ticket Prone cars is the Mercedes-Benz CLK with a Speeding Ticket Rating: 3.97 times average. The CLK63 AMG is one of four models within the CLK-Class -- a class marked by luxury refinements and road-burning engine performance. The CLK63 AMG cabriolet -- which ended production after the 2008 model year, was powered by a 6.2-liter 475-hp V8.

#3 Ticket Prone cars are the Scion xB with a Speeding Ticket Rating: 4.03 times average. Even more popular among younger buyers -- especially those in big cities -- the funky-boxy Scion xB has been labeled an "urban utility vehicle." The xB draws its power from a 158-hp 2.4-liter four-cylinder engine, hitched to either a five-speed manual or a four-speed automatic with manual shift mode.

#2 Ticket Prone cars is another Scion tC with a Speeding Ticket Rating: 4.60 times average. The tC coupe has proven to be a popular entry for Scion, especially with younger buyers, due to its low price, reliability and spiffy design. The tC gets its power from a 161-hp 2.4-liter four-cylinder engine, matched to either a five-speed manual or an available four-speed automatic.

The Number 1 vehicle prone to getting a speeding ticket is the Hummer H2 / H3 with a Speeding Ticket Rating: 4.63 times average. The AOL study combined the H2 and the H3 SUVs, although they are very different vehicles. The H2 is a big, powerful, expensive vehicle, while the H3 is a mid-sized number with a more mid-line price and a smaller power plant. The H2 is powered by a flex-fuel 393-hp 6.2-liter Vortec V8 engine, while the base H3 has a 242-hp 3.7-liter inline five-cylinder.