2006 BMW Z4 vs. 2003 Cadillac CTS-V
To start off, 2006 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Cadillac CTS-V. In addition, the cost of maintenance, including insurance, on 2003 Cadillac CTS-V would be higher. At 5,666 cc (8 cylinders), 2003 Cadillac CTS-V is equipped with a bigger engine. In terms of performance, 2003 Cadillac CTS-V (400 HP @ 6000 RPM) has 172 more horse power than 2006 BMW Z4. (228 HP @ 5900 RPM) In normal driving conditions, 2003 Cadillac CTS-V should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Cadillac CTS-V weights approximately 380 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Cadillac CTS-V (529 Nm @ 4800 RPM) has 228 more torque (in Nm) than 2006 BMW Z4. (301 Nm @ 3500 RPM). This means 2003 Cadillac CTS-V will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2003 Cadillac CTS-V | |
| Make | BMW | Cadillac |
| Model | Z4 | CTS-V |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 5666 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 228 HP | 400 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 301 Nm | 529 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 99.1 mm |
| Engine Stroke Size | 89.6 mm | 92 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1745 kg |
| Vehicle Length | 4100 mm | 4870 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2890 mm |
| Fuel Tank Capacity | 55 L | 66 L |
