Question: Mercedes-AMG G65 is a V12 engined (with twin turbochargers) version of the Mercedes-Benz G-Class, sometimes called G-Wagen,  is a mid-size four-wheel drive luxury SUV manufactured by Magna Steyr, formerly Steyr-Daimler-Puch, in which country?

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Magna Steyr MILA Alpin: The Magna Steyr MILA Alpin is an electric SUV concept car made by Austrian manufacturer Magna Steyr.

Toyota Fortuner: The Toyota Fortuner (Japanese: トヨタ フォーチュナー , Toyota fōchunā ) , also known as the Toyota SW4, is a mid-size SUV manufactured by Toyota.  Originally assembled only in Thailand but later also in Indonesia and other countries, the Fortuner is built on the Toyota Hilux pickup truck platform.  It features three rows of seats and is available in rear-wheel drive or four-wheel drive.  The Fortuner is part of Toyota's IMV project in Thailand, which also includes the Toyota Hilux and the Kijang Innova (in Indonesia).  Developed in large part by Toyota’s Thai operations, the Fortuner has piggybacked the success of the Hilux and is now built in a number of countries including Egypt, Pakistan, India, Argentina and Indonesia.

Interim Fast Attack Vehicle: The Interim Fast Attack Vehicle (IFAV) is a vehicle deployed and used by the United States Marine Force Recon and Marine Expeditionary Units. Force Recon used to operate a fleet of Desert Patrol Vehicles (formerly known as Fast Attack Vehicles or FAVs for short), popularized by the Navy SEALs as the "black dune buggy."  However, this vehicle lacked cargo capacity and firepower, so Force Recon moved to a militarized Mercedes-Benz G-Class, also known as a G-wagon, 290 GDT diesel 4×4, a much more traditional "Jeep" type truck.  The vehicle has only minimal armor, but numerous defensive weapons, including a Mk 19 automatic 40 mm grenade launcher.  This vehicle is manufactured by Magna Steyr (Austria) for Mercedes-Benz (Germany).

Mahindra Thar: The Mahindra Thar is a compact and mid-size four-wheel drive off-road and Jeep (SUV), manufactured by Indian automaker Mahindra & Mahindra Limited.  The vehicle was launched in the Indian market on October 4, 2010 to fill the void left by its predecessor the Mahindra MM540.  The Thar has been voted one of the top 10 SUVs available in the Indian market.  Three variants-DI 2WD, DI 4WD and CRDe, with available on soft top version.

Mercedes-Benz G63 AMG 6x6: Mercedes-Benz G63 AMG 6×6 is a SUT manufactured by Mercedes-Benz.  A SUT derivative of the six wheel drive Mercedes Geländewagen developed for the Australian Army from 2007, at the time it was the company's largest and second most expensive street-legal offroad vehicle, manufactured by Magna Steyr in Graz, Austria.  It combined the engine from the G63, a twin-turbo V-8, with a 6x6 portal axles, with pick-up version of the G-Class body, and a luxury interior.  It was produced from 2013 to 2015, with production exceeding 100 vehicles.

4Matic: 4Matic (stylized as 4MATIC) is the marketing name of an AWD four-wheel drive system developed by Mercedes-Benz.  It is designed to increase traction in slippery conditions.  The four-wheel-drive system was developed in conjunction with Steyr-Daimler-Puch (currently Magna Steyr), who manufactured the Mercedes-Benz G-Class in Austria.

Mercedes-Benz G-Class: The Mercedes-Benz G-Class, sometimes called G-Wagen (short for "Geländewagen", "cross country vehicle"), is a mid-size four-wheel drive luxury SUV manufactured by Magna Steyr (formerly Steyr-Daimler-Puch) in Austria and sold by Mercedes-Benz.  In certain markets, it has been sold under the Puch name as Puch G.  The G-wagen is characterized by its boxy styling and body-on-frame construction.  It uses three fully locking differentials, one of the few vehicles to have such a feature.  Despite the introduction of an intended replacement, the unibody SUV Mercedes-Benz GL-Class in 2006, the G-Class is still in production and is one of the longest produced Mercedes-Benz in Daimler's history, with a span of 35 years.  Only the Unimog surpasses it.

BMW X3: The BMW X3 is a compact luxury crossover SUV manufactured by German automaker BMW since 2003.  Based on the BMW 3 Series platform, and now in its third generation, BMW markets the crossover as a "Sports Activity Vehicle", the company's proprietary descriptor for its X-line of vehicles.  The first generation X3 was designed by BMW in conjunction with Magna Steyr of Graz, Austria—who also manufactured all X3s under contract to BMW.  BMW manufactures the second generation X3 at their Spartanburg plant in South Carolina, United States.

Mercedes-AMG G65 AMG: Mercedes-AMG G65 is a V12 engined (with twin turbochargers) version of the Mercedes-Benz G-Class.  The vehicle weighs 6250-pounds (US model as estimated by an automotive magazine publication) and has 603 hp going into a seven-speed transmission.  In the United States it cost $224,000 USD in the year 2016, another source says it cost $218,000 USD.  It was noted as being cheaper than a previous limited production run of Mercedes-Benz G63 AMG 6x6 (old-style name) from 2013.  (note in this period of the 2010s, transition AMG vehicles from Mercedes-Benz to Mercedes-AMG branding.  The US Version was previewed at the New York Auto Show in the spring of 2015 as a Mercedes-AMG model.

Mercedes-Benz SLS AMG: The Mercedes-Benz SLS AMG (C197 / R197) is a front mid-engine, 2-seater luxury, limited production supercar automobile developed by Mercedes-AMG of German automaker Mercedes-Benz and was the first Mercedes-Benz automobile designed in-house by AMG.  The car, which has gull-wing doors, was the successor to the Mercedes-Benz SLR McLaren and was described by Mercedes-Benz as a spiritual successor to the Mercedes-Benz 300SL Gullwing.  SLS stands for "Sport Leicht Super" (Sport Light Super).  The Mercedes-Benz SLS AMG was assembled largely by hand, with its chassis and aluminum body shell produced by Magna Steyr in Graz, Austria and then transferred to Sindelfingen, Germany for assembly, with its engine being hand built by AMG in Affalterbach, Germany.

Supporting paragraphs: Mercedes-AMG G65 AMG Mercedes-Benz G-Class
Answer: Austria