1991 BMW M12 vs. 1981 Opel Ascona
To start off, 1991 BMW M12 is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Opel Ascona. In addition, the cost of maintenance, including insurance, on 1981 Opel Ascona would be higher. At 4,988 cc (12 cylinders), 1991 BMW M12 is equipped with a bigger engine. In terms of performance, 1991 BMW M12 (296 HP @ 5200 RPM) has 222 more horse power than 1981 Opel Ascona. (74 HP @ 5800 RPM). In normal driving conditions, 1991 BMW M12 should accelerate faster than 1981 Opel Ascona.
Let's talk about torque, 1991 BMW M12 (450 Nm @ 4100 RPM) has 349 more torque (in Nm) than 1981 Opel Ascona. (101 Nm @ 3800 RPM). This means 1991 BMW M12 will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 1991 BMW M12 | 1981 Opel Ascona | |
| Make | BMW | Opel |
| Model | M12 | Ascona |
| Year Released | 1991 | 1981 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4988 cc | 1295 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 296 HP | 74 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 450 Nm | 101 Nm |
| Torque RPM | 4100 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 75 mm |
| Engine Stroke Size | 75 mm | 73.4 mm |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4370 mm | 4380 mm |
| Vehicle Width | 2000 mm | 1680 mm |
| Vehicle Height | 1110 mm | 1400 mm |
| Wheelbase Size | 2610 mm | 2580 mm |
