2003 Fiat Siena vs. 1949 Mercury Roadster

To start off, 2003 Fiat Siena is newer by 54 year(s). Which means there will be less support and parts availability for 1949 Mercury Roadster. In addition, the cost of maintenance, including insurance, on 1949 Mercury Roadster would be higher. At 3,990 cc (8 cylinders), 1949 Mercury Roadster is equipped with a bigger engine. In terms of performance, 1949 Mercury Roadster (108 HP @ 3800 RPM) has 39 more horse power than 2003 Fiat Siena. (69 HP @ 4500 RPM) In normal driving conditions, 1949 Mercury Roadster should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1949 Mercury Roadster weights approximately 450 kg more than 2003 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 1949 Mercury Roadster 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 1949 Mercury Roadster. However, in wet, icy, snow, or gravel driving conditions, 2003 Fiat Siena, 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. 1949 Mercury Roadster has automatic transmission and 2003 Fiat Siena has manual transmission. 2003 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1949 Mercury Roadster will be easier to drive especially in heavy traffic.

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