1991 Chrysler Viper vs. 2004 Mercury Grand Marquis
To start off, 2004 Mercury Grand Marquis is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Chrysler Viper. In addition, the cost of maintenance, including insurance, on 1991 Chrysler Viper would be higher. At 7,986 cc (10 cylinders), 1991 Chrysler Viper is equipped with a bigger engine. In terms of performance, 1991 Chrysler Viper (389 HP) has 165 more horse power than 2004 Mercury Grand Marquis. (224 HP). In normal driving conditions, 1991 Chrysler Viper should accelerate faster than 2004 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercury Grand Marquis weights approximately 242 kg more than 1991 Chrysler Viper.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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. Let's talk about torque, 1991 Chrysler Viper (621 Nm) has 248 more torque (in Nm) than 2004 Mercury Grand Marquis. (373 Nm). This means 1991 Chrysler Viper will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercury Grand Marquis. 2004 Mercury Grand Marquis has automatic transmission and 1991 Chrysler Viper has manual transmission. 1991 Chrysler Viper will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Mercury Grand Marquis will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Chrysler Viper | 2004 Mercury Grand Marquis | |
| Make | Chrysler | Mercury |
| Model | Viper | Grand Marquis |
| Year Released | 1991 | 2004 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7986 cc | 4605 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 389 HP | 224 HP |
| Torque | 621 Nm | 373 Nm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1832 kg |
| Vehicle Length | 4460 mm | 5390 mm |
| Vehicle Width | 1930 mm | 1990 mm |
| Vehicle Height | 1130 mm | 1450 mm |
| Wheelbase Size | 2450 mm | 2900 mm |
