2009 BMW Z4 vs. 2003 Cadillac CTS
To start off, 2009 BMW Z4 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Cadillac CTS. In addition, the cost of maintenance, including insurance, on 2003 Cadillac CTS would be higher. At 2,597 cc (6 cylinders), 2003 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (215 HP @ 6500 RPM) has 36 more horse power than 2003 Cadillac CTS. (179 HP @ 6000 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2003 Cadillac CTS. With that said, vehicle weight also plays an important factor in acceleration. 2003 Cadillac CTS weights approximately 330 kg more than 2009 BMW Z4.
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, 2009 BMW Z4 (250 Nm @ 2000 RPM) has 5 more torque (in Nm) than 2003 Cadillac CTS. (245 Nm @ 3400 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Cadillac CTS. 2009 BMW Z4 has automatic transmission and 2003 Cadillac CTS has manual transmission. 2003 Cadillac CTS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW Z4 | 2003 Cadillac CTS | |
| Make | BMW | Cadillac |
| Model | Z4 | CTS |
| Year Released | 2009 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2597 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 179 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 250 Nm | 245 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 83.3 mm |
| Engine Stroke Size | 78.8 mm | 79.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1290 kg | 1620 kg |
| Vehicle Length | 4100 mm | 4840 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2890 mm |
| Fuel Tank Capacity | 55 L | 64 L |
