1991 Cadillac Allante vs. 1999 Fiat Siena

To start off, 1999 Fiat Siena is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Cadillac Allante. In addition, the cost of maintenance, including insurance, on 1991 Cadillac Allante would be higher. At 4,087 cc (8 cylinders), 1991 Cadillac Allante is equipped with a bigger engine. In terms of performance, 1991 Cadillac Allante (168 HP @ 4300 RPM) has 117 more horse power than 1999 Fiat Siena. (51 HP @ 4000 RPM). In normal driving conditions, 1991 Cadillac Allante should accelerate faster than 1999 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1991 Cadillac Allante weights approximately 290 kg more than 1999 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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. 1991 Cadillac Allante has automatic transmission and 1999 Fiat Siena has manual transmission. 1999 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Cadillac Allante will be easier to drive especially in heavy traffic.

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