1978 Cadillac Eldorado vs. 2007 Infiniti QX56
To start off, 2007 Infiniti QX56 is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Cadillac Eldorado. In addition, the cost of maintenance, including insurance, on 1978 Cadillac Eldorado would be higher. At 6,964 cc (8 cylinders), 1978 Cadillac Eldorado is equipped with a bigger engine. In terms of performance, 2007 Infiniti QX56 (320 HP @ 4900 RPM) has 149 more horse power than 1978 Cadillac Eldorado. (171 HP @ 4000 RPM) In normal driving conditions, 2007 Infiniti QX56 should accelerate faster than 1978 Cadillac Eldorado.
Because 2007 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Cadillac Eldorado. In wet, icy, snow, or gravel driving conditions, 2007 Infiniti QX56 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, 2007 Infiniti QX56 (533 Nm @ 3600 RPM) has 100 more torque (in Nm) than 1978 Cadillac Eldorado. (433 Nm @ 2000 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Eldorado.
Compare all specifications:
| 1978 Cadillac Eldorado | 2007 Infiniti QX56 | |
| Make | Cadillac | Infiniti |
| Model | Eldorado | QX56 |
| Year Released | 1978 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 6964 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 171 HP | 320 HP |
| Engine RPM | 4000 RPM | 4900 RPM |
| Torque | 433 Nm | 533 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 5700 mm | 5260 mm |
| Vehicle Width | 2040 mm | 2010 mm |
| Vehicle Height | 1380 mm | 1980 mm |
| Wheelbase Size | 3210 mm | 3140 mm |
