Head 2 Head - Season 4 (2013)

Motor Trend's Jonny Lieberman referees the battle between two hotly anticipated Japanese sports sedans - the 2014 Infiniti Q50S and 2014 Lexus IS350.

Certified wagon-freak Jonny Lieberman pits two of the very coolest station wagons in the world against each other.

Carlos Lago and Randy Pobst re-stage our annual Best Driver's Car competition with this year's winning Porsche 911 Carrera 4S plus two contenders that missed the initial dance.

Jonny Lieberman pits an American icon against itself.

Jonny Lieberman is joined by Mike Shaffer and two extremely potent hyper sedans, the 2014 BMW M5 Competition and the 2014 Mercedes-Benz E63 AMG S Model. Between the two of them, these two mighty Germans produce 1152horsepower and 1092 pound-feet of torque. On paper. After a day of horsing around/testing Shaffer and Lieberman grow suspicious of each twin-turbo V-8's actual output. So, they take them to the dyno gurus at K&N engineering to learn what's what. The results very well may shock and amaze you.

Can the light, balanced, and nimble Lexus hold its own against the American powerhouse Cadillac CTS V Sport?

Jonny Lieberman heads to Graz, Austria, the home of one of the world's toughest off roads - the Mercedes-Benz G-Wagen.

Kim Reynolds re-enacts the Battle of Britain by pitting the Union Jack's two great luxury names again each other - Bentley versus Rolls-Royce.

Jaguar XKR-S GT versus the Aston Martin V12 Vantage S.