2009 Audi A6 vs. 1978 Cadillac Seville
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 Seville. In addition, the cost of maintenance, including insurance, on 1978 Cadillac Seville would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (296 HP @ 6200 RPM) has 128 more horse power than 1978 Cadillac Seville. (168 HP @ 4200 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 75 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 Seville. 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, 2009 Audi A6 (400 Nm @ 3000 RPM) has 35 more torque (in Nm) than 1978 Cadillac Seville. (365 Nm @ 2000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 2009 Audi A6 | 1978 Cadillac Seville | |
| Make | Audi | Cadillac |
| Model | A6 | Seville |
| Year Released | 2009 | 1978 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5735 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 296 HP | 168 HP |
| Engine RPM | 6200 RPM | 4200 RPM |
| Torque | 400 Nm | 365 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 84.6 mm | 103 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1890 kg |
| Vehicle Length | 4840 mm | 5190 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2910 mm |
