1991 Audi Coupe vs. 2004 BMW 630
To start off, 2004 BMW 630 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Audi Coupe. In addition, the cost of maintenance, including insurance, on 1991 Audi Coupe would be higher. At 2,983 cc (6 cylinders), 2004 BMW 630 is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 80 more horse power than 1991 Audi Coupe. (174 HP @ 5500 RPM) In normal driving conditions, 2004 BMW 630 should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 630 weights approximately 602 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 2004 BMW 630. 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, 2004 BMW 630 (300 Nm @ 2500 RPM) has 51 more torque (in Nm) than 1991 Audi Coupe. (249 Nm @ 3000 RPM). This means 2004 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe.
Compare all specifications:
| 1991 Audi Coupe | 2004 BMW 630 | |
| Make | Audi | BMW |
| Model | Coupe | 630 |
| Year Released | 1991 | 2004 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2770 cc | 2983 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 174 HP | 254 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 249 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 82.5 mm | 85 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Top Speed | 206 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1174 kg | 1776 kg |
| Vehicle Length | 4370 mm | 4830 mm |
| Vehicle Width | 1720 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 2560 mm | 2730 mm |
| Fuel Tank Capacity | 80 L | 70 L |
