1997 Audi A4 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 9 year(s). Which means there will be less support and parts availability for 1997 Audi A4. In addition, the cost of maintenance, including insurance, on 1997 Audi A4 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 180 more horse power than 1997 Audi A4. (148 HP @ 4000 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1997 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 370 kg more than 1997 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 1997 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 140 more torque (in Nm) than 1997 Audi A4. (310 Nm @ 1500 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1997 Audi A4.
Compare all specifications:
1997 Audi A4 | 2006 BMW 645 | |
Make | Audi | BMW |
Model | A4 | 645 |
Year Released | 1997 | 2006 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2496 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 148 HP | 328 HP |
Engine RPM | 4000 RPM | 6100 RPM |
Torque | 310 Nm | 450 Nm |
Torque RPM | 1500 RPM | 3600 RPM |
Engine Bore Size | 78.3 mm | 92 mm |
Engine Stroke Size | 86.4 mm | 83 mm |
Fuel Type | Diesel | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1440 kg | 1810 kg |
Vehicle Length | 4480 mm | 4830 mm |
Vehicle Width | 1740 mm | 1860 mm |
Vehicle Height | 1420 mm | 1380 mm |
Wheelbase Size | 2620 mm | 2790 mm |