2005 Cadillac STS vs. 2003 MG ZR
To start off, 2005 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2003 MG ZR. In addition, the cost of maintenance, including insurance, on 2003 MG ZR would be higher. At 3,562 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (252 HP @ 6500 RPM) has 94 more horse power than 2003 MG ZR. (158 HP @ 6900 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 2003 MG ZR. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 670 kg more than 2003 MG ZR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Cadillac STS 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 2005 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2003 MG ZR, 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, 2005 Cadillac STS (342 Nm @ 3200 RPM) has 168 more torque (in Nm) than 2003 MG ZR. (174 Nm @ 4700 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 MG ZR. 2005 Cadillac STS has automatic transmission and 2003 MG ZR has manual transmission. 2003 MG ZR will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Cadillac STS | 2003 MG ZR | |
| Make | Cadillac | MG |
| Model | STS | ZR |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3562 cc | 1794 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 158 HP |
| Engine RPM | 6500 RPM | 6900 RPM |
| Torque | 342 Nm | 174 Nm |
| Torque RPM | 3200 RPM | 4700 RPM |
| Engine Bore Size | 94 mm | 80 mm |
| Engine Stroke Size | 86 mm | 89.3 mm |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 7.4 seconds | 7.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1790 kg | 1120 kg |
| Vehicle Length | 4990 mm | 4020 mm |
| Vehicle Width | 1850 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2510 mm |
| Fuel Consumption Overall | 12.4 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 95 L | 65 L |
