2007 Cadillac STS vs. 2003 Westfield ZEI

To start off, 2007 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Westfield ZEI. In addition, the cost of maintenance, including insurance, on 2003 Westfield ZEI would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (322 HP @ 6400 RPM) has 149 more horse power than 2003 Westfield ZEI. (173 HP @ 9800 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2003 Westfield ZEI. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 1150 kg more than 2003 Westfield ZEI. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2003 Westfield ZEI. In wet, icy, snow, or gravel driving conditions, 2007 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. 2007 Cadillac STS has automatic transmission and 2003 Westfield ZEI has manual transmission. 2003 Westfield ZEI will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.

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