While many of these cars aren't yet for sale -- and those that are carry price tags deep into the six figures -- they were among the hottest, most eye-catching luxury, sports and concept automobiles on display at the 65th Frankfurt Motor Show in Germany, according to separate tabulations by The Associated Press and Cars.com.
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Land Rover LR4 Discovery
Land Rover upgraded its LR4 with a new front grille and headlamp design that includes daytime running lights. It also gets improved fuel economy and new audio and technology systems for the driver. But the biggest change is the move to a supercharged 3.0-liter V-6 engine from its previous 5.0-liter V-8. It will start at $50,595.
2014 Volkswagen Golf R
By far the most practical car on this list, the new, all-wheel-drive Golf R (a sportier, suped-up GTI) got big bumps in horsepower and torque to reach 296 and 280 foot-pounds, respectively. While the beloved compact car will be available next year in Europe, most speculate it won't be available in the U.S. until the 2015 model year.
Volvo Concept Coupe
Volvo brought this plug-in hybrid beauty, with its broad grile, wide stance and sleek roofline, to Frankfurt to hint at the direction of its forthcoming models. The design was inspired by 1960s-era Volvo P1800s but was built on the automaker's new Scalable Product Architecture. Volvo executives said some of the cues visible on this car will be featured on the forthcoming XC90 vehicle.
Mercedes-Benz S 63 AMG
For the Frankfurt Auto Show, Mercedes married the luxury of its top-line S-Class large sedan with an engine that churns out 577 horsepower and 664 pound-feet of torque.
Aston Martin CC100
The legendary brand's 100th anniversary car is entirely street legal even though it lacks a windscreen, a roof and side cutouts, according to the Associated Press. It's modeled off the 1950s DBR1 race car.
Lamborghini Gallardo LP 570-4 Squadra Corse
Lamborghini's impressive showing at Frankfurt is a street version of the company's Super Trofeo race car, the Associated Press reported. For a starting price of $254,300, buyers get a car equipped with a V-10 engine that reaches top speeds of 200 miles per hour.
Rolls-Royce Phantom Celestial
Rolls-Royce brought a special edition Phantom — with upgraded interior comforts — to Frankfurt in honor of the 10th anniversary of production at the company's Goodwood plant in England.
Bugatti Veyron 16.4 Grand Sport
The 1,200-horsepower, 16-cylinder engine visible in the back of the $2.6 million-plus Bugatti reached speeds greater than 254 miles per hour on a German test track, leading Bugatti this roadster the world's fastest.
Audi A3 Cabriolet
Audi is finally bringing the convertible version of its popular A3 car to the U.S. for the 2015 model year, and showed it off a whole host of interior luxuries — led by a seven-inch touch pad that hides away in the dashboard — at Frankfurt.
Audi Quattro Sport Concept
Audi has unveiled Quattro concepts before that draw inspiration from the brand's 1980 Ur-Quattro, but this one is by far the most powerful and most efficient. It's a plug-in hybrid that produces 700 horsepower and 590 pound-feet of torque while achieving about 94 miles per gallon of gas.
Audi Nanuk Quattro Concept
Audi showed off some out-of-the-box thinking with its Nanuk concept, a super-car with off-road capabilities. It's equipped with a 5.0-liter diesel V-10 engine that puts out 544-horsepower and 738 pound-feet of torque.
BMW i8BMW brought its newest plug-in concept to Frankfurt. It will use electric power for the front wheels and a three-cylinder gas engine for the rear wheels that combine to produce 362 horsepower and bring the car to 62 miles per hour in 4.5 seconds. Impressively, the i8 couples that performance with a projected fuel economy rating of 94 miles to the gallon.
Kia Niro Concept
Kia unveiled this crossover concept with a hybrid powertrain at Frankfurt in order to gauge customer interest, according to reports. Whatever vehicle comes into production out of this concept exercise, don't expect it to include the fancy scissor doors.
Bentley GT V8 S
Bentley added some power and performance to its luxury lineup when it introduced its GT V8 S at Frankfurt. It goes on sale early next year in the U.S. with a starting price of $194,600 for the coupe and $214,000 for the convertible.
Porsche 918 Spyder
Porsche's plug-in hybrid boasts an incredible 887-horsepower, goes from 0 to 62 miles per hour in 2.8 seconds and gets an incredible 72 miles to the gallon. But it'll set buyers back approximately $1.02 million.
Smart FourJoy Concept
What it lacks in traditional design elements — a roof, a back window and doors — the FourJoy concept makes up for in creativity. While the front and rear will likely retain this design for the eventual production version of this car, The Associated Press said doors, windows and roofs would be included.
Ferrari 458 Speciale
Ferrari put its most powerful V-8 engine ever into the Speciale, according to the Associated Press, that helps propel the car to 62 miles per hour in 3 seconds flat and a top speed greater than 202 miles per hour. It starts at about $315,000.
Following in the footsteps of Mercedes's new GLA-Class and BMW's new X1, Lexus unveiled a concept compact luxury crossover ahead of the Frankfurt Auto Show. A company statement said the LF-NX "explores the potential for a compact crossover within the Lexus model range."