1984 Audi Coupe vs. 2005 BMW 645
To start off, 2005 BMW 645 is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Audi Coupe. In addition, the cost of maintenance, including insurance, on 1984 Audi Coupe would be higher. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP) has 20 more horse power than 1984 Audi Coupe. (306 HP) In normal driving conditions, 2005 BMW 645 should accelerate faster than 1984 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 925 kg more than 1984 Audi Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1984 Audi Coupe is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 645. In wet, icy, snow, or gravel driving conditions, 1984 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, 2005 BMW 645 (447 Nm) has 97 more torque (in Nm) than 1984 Audi Coupe. (350 Nm). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi Coupe.
Compare all specifications:
| 1984 Audi Coupe | 2005 BMW 645 | |
| Make | Audi | BMW |
| Model | Coupe | 645 |
| Year Released | 1984 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2133 cc | 4392 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 306 HP | 326 HP |
| Torque | 350 Nm | 447 Nm |
| Top Speed | 249 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 970 kg | 1895 kg |
| Vehicle Length | 4810 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1820 mm | 1380 mm |
| Wheelbase Size | 2690 mm | 2890 mm |
