2008 Cadillac STS vs. 2003 Opel Vectra
To start off, 2008 Cadillac STS is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (320 HP @ 6400 RPM) has 147 more horse power than 2003 Opel Vectra. (173 HP @ 4000 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 30 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 57 more torque (in Nm) than 2003 Opel Vectra. (370 Nm @ 1900 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2008 Cadillac STS has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
2008 Cadillac STS | 2003 Opel Vectra | |
Make | Cadillac | Opel |
Model | STS | Vectra |
Year Released | 2008 | 2003 |
Engine Position | Front | Front |
Engine Size | 4565 cc | 2957 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 320 HP | 173 HP |
Engine RPM | 6400 RPM | 4000 RPM |
Torque | 427 Nm | 370 Nm |
Torque RPM | 4400 RPM | 1900 RPM |
Engine Compression Ratio | 10.5:1 | 18.5:1 |
Fuel Type | Gasoline | Diesel |
Drive Type | 4WD | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1635 kg | 1605 kg |
Vehicle Length | 5000 mm | 4600 mm |
Vehicle Width | 1850 mm | 1770 mm |
Vehicle Height | 1470 mm | 1470 mm |
Wheelbase Size | 2960 mm | 2740 mm |
Fuel Consumption Overall | 13.1 L/100km | 7 L/100km |
Fuel Tank Capacity | 64 L | 60 L |