what is the imponte ruiner based on
Posted by GTA 5 Cars on March 3, 2015 | Muscle | No Comments. The Imponte Ruiner is a classic 2-door muscle car featured in GTA 5. The Ruiner is based on the 3rd generation GM F-Body (seen in the periodâs 3rd generation Pontiac Firebird, and 3rd generation Chevrolet Camaro).It has a T-Top roof and features quad exhausts.he Imponte Ruiner is powered by a large 7.3L V8 engine, coupled to a high-performance 5 speed gearbox in RWD configuration. Acceleration is very good, close to cars with a much higher price tag.