1991 Chrysler Viper vs. 2012 BMW X5
To start off, 2012 BMW X5 is newer by 21 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, 2012 BMW X5 (555 HP @ 6000 RPM) has 166 more horse power than 1991 Chrysler Viper. (389 HP @ 5150 RPM) In normal driving conditions, 2012 BMW X5 should accelerate faster than 1991 Chrysler Viper. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X5 weights approximately 845 kg more than 1991 Chrysler Viper. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Chrysler Viper. In wet, icy, snow, or gravel driving conditions, 2012 BMW X5 will offer significantly more control. 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, 2012 BMW X5 (677 Nm @ 1500 RPM) has 56 more torque (in Nm) than 1991 Chrysler Viper. (621 Nm @ 3600 RPM). This means 2012 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Chrysler Viper. 2012 BMW X5 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. 2012 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Chrysler Viper | 2012 BMW X5 | |
| Make | Chrysler | BMW |
| Model | Viper | X5 |
| Year Released | 1991 | 2012 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 7986 cc | 4400 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 389 HP | 555 HP |
| Engine RPM | 5150 RPM | 6000 RPM |
| Torque | 621 Nm | 677 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1590 kg | 2435 kg |
| Vehicle Length | 4460 mm | 4851 mm |
| Vehicle Width | 1930 mm | 1994 mm |
| Vehicle Height | 1130 mm | 1763 mm |
| Wheelbase Size | 2450 mm | 2933 mm |
