1999 Audi A4 vs. 1991 BMW M12
To start off, 1999 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 BMW M12. In addition, the cost of maintenance, including insurance, on 1991 BMW M12 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 49 more horse power than 1999 Audi A4. (247 HP @ 5700 RPM) In normal driving conditions, 1991 BMW M12 should accelerate faster than 1999 Audi A4.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW M12. In wet, icy, snow, or gravel driving conditions, 1999 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 1999 Audi A4 | 1991 BMW M12 | |
| Make | Audi | BMW |
| Model | A4 | M12 |
| Year Released | 1999 | 1991 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1780 cc | 4988 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 247 HP | 296 HP |
| Engine RPM | 5700 RPM | 5200 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 75 mm |
| Engine Compression Ratio | 9.5:1 | 8.8:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4480 mm | 4370 mm |
| Vehicle Width | 1740 mm | 2000 mm |
| Vehicle Height | 1420 mm | 1110 mm |
| Wheelbase Size | 2610 mm | 2610 mm |
