2006 Audi A6 vs. 1978 Cadillac Seville
To start off, 2006 Audi A6 is newer by 28 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, 2006 Audi A6 (335 HP @ 6600 RPM) has 212 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM). In normal driving conditions, 2006 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 10 kg more than 2006 Audi A6.
Because 1978 Cadillac Seville is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Cadillac Seville. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Audi A6 (420 Nm @ 3500 RPM) has 116 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville.
Compare all specifications:
| 2006 Audi A6 | 1978 Cadillac Seville | |
| Make | Audi | Cadillac |
| Model | A6 | Seville |
| Year Released | 2006 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 5735 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 123 HP |
| Engine RPM | 6600 RPM | 3600 RPM |
| Torque | 420 Nm | 304 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 84.5 mm | 103 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1890 kg |
| Vehicle Length | 4920 mm | 5190 mm |
| Vehicle Width | 2020 mm | 1830 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2910 mm |
| Fuel Tank Capacity | 80 L | 79 L |
