1976 Buick Riviera vs. 1999 Fiat Siena

To start off, 1999 Fiat Siena is newer by 23 year(s). Which means there will be less support and parts availability for 1976 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1976 Buick Riviera would be higher. At 5,724 cc (6 cylinders), 1976 Buick Riviera is equipped with a bigger engine. In terms of performance, 1976 Buick Riviera (154 HP @ 3400 RPM) has 103 more horse power than 1999 Fiat Siena. (51 HP @ 4000 RPM). In normal driving conditions, 1976 Buick Riviera should accelerate faster than 1999 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1976 Buick Riviera weights approximately 465 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.

Because 1976 Buick Riviera 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 1976 Buick Riviera. However, in wet, icy, snow, or gravel driving conditions, 1999 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. Let's talk about torque, 1976 Buick Riviera (380 Nm) has 180 more torque (in Nm) than 1999 Fiat Siena. (200 Nm). This means 1976 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1999 Fiat Siena. 1976 Buick Riviera 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. 1976 Buick Riviera will be easier to drive especially in heavy traffic.

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