The Infiniti EX is a compact executive/entry-level luxury crossover. It is based on the same FM platform as the Infiniti G, M, and FX models. The EX is the marque's entry-level crossover and slots below the FX.

The EX lacks the ruggedness and practicality usually featured in crossover utility vehicles, and has been considered more of a sport luxury hatchback.[2]

It was a concept vehicle including AVM system, LDP system, V6 engine, 5-speed automatic transmission, all-wheel drive, double-arch grille, large L-shaped headlights with Adaptive Front lighting System (AFS), integrated fog lights, distinctive LED taillights and "dynamic arch" profile.

The vehicle was unveiled in 2007 New York Auto Show.[3]

The production model EX35 was revealed in 2007 Pebble Beach Concours d'Elegance.[4]

Production of the EX35 began in 2007 and was released as a 2008 model in North America.

The Infiniti EX is sold as the EX37 in the European market. It debuted in Fall 2008. Japanese versions are badged as the Nissan Skyline Crossover.[5]

Infiniti has launched a new 3.0-liter V6 (V9X) diesel engine that will power the EX, FX and M models. The V6 engine delivers a total of 240 hp (179 kW) and a peak torque of 550 N·m (410 lb·ft). The engine is mated to a seven-speed automatic transmission. It was launched in the 2010 Geneva Motor Show.

The brand entered the European market with new 3.0-litre V6 diesel. The engine, the first in the brand’s 20-year history. It will initially available in the EX and FX crossovers, and later in the Infiniti M sedan. The engine produces 238 hp (177 kW) and 500 N·m (370 lb·ft) of torque and is to be compliant with forthcoming Euro 5 emission legislation.

The VQ25HR V6 engine delivers 235 hp (175 kW) and peak torque of 253 N·m (187 lb·ft). The engine is mated to a seven-speed automatic transmission. It was launched at the 2010 Beijing International Automotive Exhibition. The EX25 Crossover is currently marketed only in China, Russia and Ukraine.

Transmissions include manual shift mode that includes the option of sequentially selected manual gearshifts and Downshift Rev Matching (DRM).

U.S. models include a choice of RWD or ATTESA E-TS AWD. Models sold in Canada, Europe include ATTESA E-TS AWD as standard.

The Infiniti EX35 produces 0-60 mph times of 5.8 - 6.2 seconds. The quarter mile is 14.6 seconds at 98 miles per hour (158 km/h), and top speed (Gov. limit) is 144 mph (232 km/h). 70 mph (110 km/h) - 0 braking is a 166 feet (51 m). Roadholding is .83g.[6]