2005 Audi A4 vs. 1981 BMW 628
To start off, 2005 Audi A4 is newer by 24 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 4 more horse power than 2005 Audi A4. (177 HP @ 1500 RPM) In normal driving conditions, 1981 BMW 628 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 120 kg more than 1981 BMW 628.
Because 2005 Audi A4 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, 2005 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. Let's talk about torque, 2005 Audi A4 (371 Nm @ 1500 RPM) has 131 more torque (in Nm) than 1981 BMW 628. (240 Nm @ 4000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 628. 2005 Audi A4 has automatic transmission and 1981 BMW 628 has manual transmission. 1981 BMW 628 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 1981 BMW 628 | |
| Make | Audi | BMW |
| Model | A4 | 628 |
| Year Released | 2005 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2788 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 177 HP | 181 HP |
| Engine RPM | 1500 RPM | 6000 RPM |
| Torque | 371 Nm | 240 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Bore Size | 78.3 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 80 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1470 kg |
| Vehicle Length | 4550 mm | 4760 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2770 mm | 2640 mm |
| Fuel Tank Capacity | 66 L | 70 L |
