1977 Pontiac Bonneville vs. 1997 Fiat Siena

To start off, 1997 Fiat Siena is newer by 20 year(s). Which means there will be less support and parts availability for 1977 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Bonneville would be higher. At 5,734 cc (8 cylinders), 1977 Pontiac Bonneville is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1977 Pontiac Bonneville weights approximately 805 kg more than 1997 Fiat Siena.

Because 1977 Pontiac Bonneville 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 1977 Pontiac Bonneville. However, in wet, icy, snow, or gravel driving conditions, 1997 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. 1977 Pontiac Bonneville has automatic transmission and 1997 Fiat Siena has manual transmission. 1997 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Pontiac Bonneville will be easier to drive especially in heavy traffic.

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