2005 Cadillac XLR vs. 1978 GMC Suburban
To start off, 2005 Cadillac XLR is newer by 27 year(s). Which means there will be less support and parts availability for 1978 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1978 GMC Suburban would be higher. At 4,564 cc (8 cylinders), 2005 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2005 Cadillac XLR (322 HP @ 6400 RPM) has 222 more horse power than 1978 GMC Suburban. (100 HP @ 3600 RPM). In normal driving conditions, 2005 Cadillac XLR should accelerate faster than 1978 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1978 GMC Suburban weights approximately 546 kg more than 2005 Cadillac XLR.
Because 1978 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 2005 Cadillac XLR. In wet, icy, snow, or gravel driving conditions, 1978 GMC Suburban 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, 2005 Cadillac XLR (420 Nm @ 4000 RPM) has 178 more torque (in Nm) than 1978 GMC Suburban. (242 Nm @ 1600 RPM). This means 2005 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1978 GMC Suburban.
Compare all specifications:
| 2005 Cadillac XLR | 1978 GMC Suburban | |
| Make | Cadillac | GMC |
| Model | XLR | Suburban |
| Year Released | 2005 | 1978 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4564 cc | 4093 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 100 HP |
| Engine RPM | 6400 RPM | 3600 RPM |
| Torque | 420 Nm | 242 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1654 kg | 2200 kg |
| Vehicle Length | 4520 mm | 5480 mm |
| Vehicle Width | 1840 mm | 1950 mm |
| Vehicle Height | 1290 mm | 1800 mm |
| Wheelbase Size | 2690 mm | 3300 mm |
