1991 Innocenti 990 vs. 1999 Mercury Grand Marquis

To start off, 1999 Mercury Grand Marquis is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Innocenti 990. In addition, the cost of maintenance, including insurance, on 1991 Innocenti 990 would be higher. At 4,598 cc (8 cylinders), 1999 Mercury Grand Marquis is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercury Grand Marquis weights approximately 996 kg more than 1991 Innocenti 990.

Because 1999 Mercury Grand Marquis 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 1999 Mercury Grand Marquis. However, in wet, icy, snow, or gravel driving conditions, 1991 Innocenti 990, 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, 1999 Mercury Grand Marquis (373 Nm) has 298 more torque (in Nm) than 1991 Innocenti 990. (75 Nm). This means 1999 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1991 Innocenti 990. 1999 Mercury Grand Marquis has automatic transmission and 1991 Innocenti 990 has manual transmission. 1991 Innocenti 990 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Mercury Grand Marquis will be easier to drive especially in heavy traffic.

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