2008 Audi TT vs. 2003 BMW 645
To start off, 2008 Audi TT is newer by 5 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 635 kg more than 2008 Audi TT.
Because 2003 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 2003 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2008 Audi TT, 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 170 more torque (in Nm) than 2008 Audi TT. (280 Nm @ 1800 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi TT. 2003 BMW 645 has automatic transmission and 2008 Audi TT has manual transmission. 2008 Audi TT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi TT | 2003 BMW 645 | |
| Make | Audi | BMW |
| Model | TT | 645 |
| Year Released | 2008 | 2003 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 321 HP |
| Torque | 280 Nm | 450 Nm |
| Torque RPM | 1800 RPM | 3600 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Acceleration 0-100mph | 6.6 seconds | 6.2 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1895 kg |
| Vehicle Length | 4180 mm | 4830 mm |
| Vehicle Width | 1360 mm | 1860 mm |
| Vehicle Height | 1850 mm | 1380 mm |
| Wheelbase Size | 2470 mm | 2790 mm |
| Fuel Consumption Overall | 7.8 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
