2009 Audi Q7 vs. 1978 Cadillac Eldorado
To start off, 2009 Audi Q7 is newer by 31 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, 2009 Audi Q7 (237 HP @ 4000 RPM) has 66 more horse power than 1978 Cadillac Eldorado. (171 HP @ 4000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1978 Cadillac Eldorado. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 140 kg more than 1978 Cadillac Eldorado. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 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, 2009 Audi Q7 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, 2009 Audi Q7 (550 Nm @ 2000 RPM) has 117 more torque (in Nm) than 1978 Cadillac Eldorado. (433 Nm @ 2000 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Eldorado.
Compare all specifications:
| 2009 Audi Q7 | 1978 Cadillac Eldorado | |
| Make | Audi | Cadillac |
| Model | Q7 | Eldorado |
| Year Released | 2009 | 1978 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 6964 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 237 HP | 171 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 550 Nm | 433 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 83.1 mm | 103.6 mm |
| Engine Stroke Size | 91.4 mm | 103.1 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2370 kg | 2230 kg |
| Vehicle Length | 5090 mm | 5700 mm |
| Vehicle Width | 1990 mm | 2040 mm |
| Vehicle Height | 1740 mm | 1380 mm |
| Wheelbase Size | 3010 mm | 3210 mm |
