2003 Audi A3 vs. 2003 BMW 645
To start off, both 2003 Audi A3 and 2003 BMW 645 were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (321 HP @ 6100 RPM) has 75 more horse power than 2003 Audi A3. (246 HP @ 6300 RPM) In normal driving conditions, 2003 BMW 645 should accelerate faster than 2003 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 15 kg more than 2003 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 645. In wet, icy, snow, or gravel driving conditions, 2003 Audi A3 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 140 more torque (in Nm) than 2003 Audi A3. (310 Nm @ 2500 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A3.
Compare all specifications:
2003 Audi A3 | 2003 BMW 645 | |
Make | Audi | BMW |
Model | A3 | 645 |
Year Released | 2003 | 2003 |
Body Type | Hatchback | Convertible |
Engine Position | Front | Front |
Engine Size | 3188 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 246 HP | 321 HP |
Engine RPM | 6300 RPM | 6100 RPM |
Torque | 310 Nm | 450 Nm |
Torque RPM | 2500 RPM | 3600 RPM |
Engine Bore Size | 84 mm | 92 mm |
Engine Stroke Size | 95.9 mm | 82.7 mm |
Top Speed | 245 km/hour | 250 km/hour |
Acceleration 0-100mph | 6.7 seconds | 6.2 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 3 doors | 2 doors |
Vehicle Weight | 1880 kg | 1895 kg |
Vehicle Length | 4210 mm | 4830 mm |
Vehicle Width | 1770 mm | 1860 mm |
Vehicle Height | 1430 mm | 1380 mm |
Wheelbase Size | 2580 mm | 2790 mm |
Fuel Tank Capacity | 55 L | 70 L |