In car classification, 2+2 is a configuration with seating for the driver and one passenger in the front plus two smaller seats for occasional passengers (or children) in the rear.
A 2+2 has just two rear seats rather than the more common three. Reasons for this may include a car's more sporty nature, typical low roof line, wide wheel arches, and (because of being front engined with rear-wheel drive or four-wheel drive) wide central transmission tunnels, the last of these being the most pressing problem for a third (middle) seat. For example, the Porsche 911 is a rear engined, rear wheel drive, so it lacks a large transmission tunnel, but loses space in the rear due to its wheel arches, reducing the space to 2 passengers.
Space in the rear is most noticeably absent in terms of longitudinal leg-room. This is again often due to the low roof line, and other elements of body styling, in addition to large engine compartments and sometimes also large areas given over to the convertible roof in the case of a 2+2 convertible.
Many vehicles may fall into the definition, and there is no official body offering a strict definition, but cars called 2+2s must have:only seats for 2 rear passengers rather than the common 3;
and also strongly tend to have:relatively little room in the back even for 2 passengers;
a more sporting nature (or at least style) than the average vehicle;
Many convertible, targa top and hatchback cars are strictly within this definition, but are rarely deemed 2+2s. Few cars have ever been specifically marketed as 2+2s—most often this is to distinguish them from a 2-seat open version of the same model. Prominent are the classic Jaguar E-type fixed-head coupé 2+2, the Lotus Elan 2+2, the Nissan 300ZX 2+2, the Chevrolet Monza 2+2, the 1965-66 Mustang 2+2 and the Pontiac 2+2 models, including the aerodynamic Grand Prix of NASCAR fame.
The TVR Cerbera has its front passenger seated slightly forward to allow more room for a passenger in the back, as well as having very large side doors to make access to the rear seats easier. This configuration is unofficially known as a "3+1".
The Mazda RX-8 has two small "half-length" rear suicide doors to make access to the back seats easier. Note that, in this case, "2+2" still refers to the seating layout and in no way to the additional 2 "half-length" rear doors.
The 1965 and 1966 Mustang Fastback was marketed as the "Mustang 2+2", because it came with, as standard equipment, a fold-down rear seat. The car even had chrome fender emblems "MUSTANG 2+2" in the location where other body styles had a plain "MUSTANG" emblem. In 1967, the seat became optional, and the "2+2" designation was dropped.These are examples, and are not intended to represent a complete list.
Alfa Romeo Brera
Alfa Romeo GTV (916)
Aston Martin DB9
Aston Martin DBS
Audi A5 Coupe
Audi RS5 Coupé
Audi RS7 Sportback
Bentley Continental GT/Bentley Continental GTC
Bentley Brooklands/Bentley Azure
BMW 6 Series/BMW M6
BMW 8 Series
Cadillac CTS-V Coupé
Chevrolet Monza 2+2
Datsun 240Z/Datsun 260Z/Datsun 280Z
Ford Focus Coupé
Hyundai Genesis Coupe
Infiniti G37 Coupe
Jaguar E-Type 2+2
Land Rover Range Rover Evoque Coupé
Lexus RC/Lexus RC F
Mercedes-Benz 250 SL California Coupe
Mercedes-Benz CL-Class/Mercedes-Benz CL65 AMG
Nissan 300ZX (Z31 & Z32) 2+2
Nissan Silvia (S13)
Nissan Skyline GT-R (KPGC10)
Opel Cascada/Vauxhall Cascada/Buick Cascada/Holden Cascada
Pontiac Catalina 2+2
Toyota 86/Scion FR-S/Subaru BRZ
Toyota Supra 2+2