2009 Cadillac XLR vs. 1991 Chrysler Viper
To start off, 2009 Cadillac XLR is newer by 18 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, 2009 Cadillac XLR (444 HP @ 6400 RPM) has 55 more horse power than 1991 Chrysler Viper. (389 HP @ 5150 RPM). In normal driving conditions, 2009 Cadillac XLR should accelerate faster than 1991 Chrysler Viper. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac XLR weights approximately 131 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.
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 @ 3600 RPM) has 60 more torque (in Nm) than 2009 Cadillac XLR. (561 Nm @ 3900 RPM). This means 1991 Chrysler Viper will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac XLR. 2009 Cadillac XLR 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. 2009 Cadillac XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac XLR | 1991 Chrysler Viper | |
| Make | Cadillac | Chrysler |
| Model | XLR | Viper |
| Year Released | 2009 | 1991 |
| Body Type | Convertible | Roadster |
| Engine Position | Front | Front |
| Engine Size | 4369 cc | 7986 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 389 HP |
| Engine RPM | 6400 RPM | 5150 RPM |
| Torque | 561 Nm | 621 Nm |
| Torque RPM | 3900 RPM | 3600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1721 kg | 1590 kg |
| Vehicle Length | 4520 mm | 4460 mm |
| Vehicle Width | 1840 mm | 1930 mm |
| Vehicle Height | 1290 mm | 1130 mm |
| Wheelbase Size | 2690 mm | 2450 mm |
