1991 Audi Coupe vs. 1981 BMW 628
To start off, 1991 Audi Coupe is newer by 10 year(s). Which means there will be less support and parts availability for 1981 BMW 628. In addition, the cost of maintenance, including insurance, on 1981 BMW 628 would be higher. At 2,788 cc (6 cylinders), 1981 BMW 628 is equipped with a bigger engine. In terms of performance, 1981 BMW 628 (181 HP @ 6000 RPM) has 6 more horse power than 1991 Audi Coupe. (175 HP @ 5500 RPM) In normal driving conditions, 1981 BMW 628 should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 628 weights approximately 150 kg more than 1991 Audi Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi Coupe is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 628. In wet, icy, snow, or gravel driving conditions, 1991 Audi Coupe 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. Let's talk about torque, 1991 Audi Coupe (249 Nm @ 3000 RPM) has 9 more torque (in Nm) than 1981 BMW 628. (240 Nm @ 4000 RPM). This means 1991 Audi Coupe will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 628.
Compare all specifications:
| 1991 Audi Coupe | 1981 BMW 628 | |
| Make | Audi | BMW |
| Model | Coupe | 628 |
| Year Released | 1991 | 1981 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 2788 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 175 HP | 181 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 249 Nm | 240 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 80 mm |
| Engine Compression Ratio | 10.0:1 | 9.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1470 kg |
| Vehicle Length | 4370 mm | 4760 mm |
| Vehicle Width | 1720 mm | 1730 mm |
| Vehicle Height | 1370 mm | 1370 mm |
| Wheelbase Size | 2560 mm | 2640 mm |
