| Opel Monza |  |
| Monza A1 | Monza A2 |
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The Opel Monza was a big rear-wheel drive fastback coupé built between 1978 and 1986. It was based on the Opel Senator A.
As with the Senator A there was a facelift in 1982 leading to the denomination Opel Monza A1 for the pre-facelift model and Opel Monza A2 for the facelifted model. The Opel Monza could also be delivered with a Ferguson four-wheel drive configuration.
Between 1984 and 1986 Keinath of Dettingen an der Erms built 144 cabriolets of the Opel Monza. They were marketed as Keinath KC5. Keinath also built the Bitter SC Cabriolets by converting Bitter SC Coupés.
When the Opel Senator A was replaced with the Opel Senator B the Opel Monza was discontinued.
| ENGINE | ||
| Configuration | L6 | L6 |
| Displacement | 181 cu in | 2968 cc |
| Bore x Stroke | 3.74 in x 2.75 in | 95,0 mm x 69,8 mm |
| Compression ratio | 9.4 : 1 | 9,4 : 1 |
| Fuel delivery | Bosch L-Jetronic injection | Bosch L-Jetronic injection |
| Horsepower | 180 hp at 5800 rpm | 134 kW at 5800 rpm |
| Torque | 182 lb ft at 4200 rpm | 248 Nm at 4200 rpm |
| DIMENSIONS | ||
| Length | 184.6 in | 4690 mm |
| Width | 68.3 in | 1735 mm |
| Height | 54.3 in | 1380 mm |
| Weight (aut./man.) | 3062 lbs / 3018 lbs | 1390 kg / 1370 kg |
| Wheelbase | 105.1 in | 2670 mm |
| Track (Front/Rear) | 56.9 in / 57.9 in | 1445 mm / 1470 mm |
| Wheels | 6 J 15 | 6 J 15 |
| Tires | 205/60 VR 15 | 205/60 VR 15 |
| PERFORMANCE | ||
| Top speed | 130 mph / 133 mph | 210 km/h / 215 km/h |
| Acceleration | 0 - 60 mph : 9.8 sec / 8.3 sec | 0-100 km/h : 10,0 sec / 8,5 sec |