1994 Audi A6 vs. 1981 BMW 628
To start off, 1994 Audi A6 is newer by 13 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 4,172 cc (8 cylinders), 1994 Audi A6 is equipped with a bigger engine. In terms of performance, 1994 Audi A6 (286 HP @ 5800 RPM) has 105 more horse power than 1981 BMW 628. (181 HP @ 6000 RPM). In normal driving conditions, 1994 Audi A6 should accelerate faster than 1981 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 1994 Audi A6 weights approximately 225 kg more than 1981 BMW 628. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1994 Audi A6 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, 1994 Audi A6 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, 1994 Audi A6 (400 Nm @ 4000 RPM) has 160 more torque (in Nm) than 1981 BMW 628. (240 Nm @ 4000 RPM). This means 1994 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 628.
Compare all specifications:
| 1994 Audi A6 | 1981 BMW 628 | |
| Make | Audi | BMW |
| Model | A6 | 628 |
| Year Released | 1994 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2788 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 286 HP | 181 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 400 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1695 kg | 1470 kg |
| Vehicle Length | 4800 mm | 4760 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1440 mm | 1370 mm |
| Wheelbase Size | 2760 mm | 2640 mm |
