2009 Audi A6 vs. 1978 Cadillac Eldorado
To start off, 2009 Audi A6 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 A6 (342 HP @ 6500 RPM) has 171 more horse power than 1978 Cadillac Eldorado. (171 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1978 Cadillac Eldorado. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Eldorado weights approximately 690 kg more than 2009 Audi A6.
Because 2009 Audi A6 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 A6 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, 1978 Cadillac Eldorado (433 Nm @ 2000 RPM) has 190 more torque (in Nm) than 2009 Audi A6. (243 Nm @ 3250 RPM). This means 1978 Cadillac Eldorado will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 1978 Cadillac Eldorado | |
| Make | Audi | Cadillac |
| Model | A6 | Eldorado |
| Year Released | 2009 | 1978 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 6964 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 342 HP | 171 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 243 Nm | 433 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 84.6 mm | 103.6 mm |
| Engine Stroke Size | 92.7 mm | 103.1 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1540 kg | 2230 kg |
| Vehicle Length | 4920 mm | 5700 mm |
| Vehicle Width | 1470 mm | 2040 mm |
| Vehicle Height | 1860 mm | 1380 mm |
| Wheelbase Size | 2850 mm | 3210 mm |
