2006 Audi A8 vs. 1978 Cadillac Seville
To start off, 2006 Audi A8 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 A8 (329 HP @ 6500 RPM) has 206 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 35 kg more than 2006 Audi A8.
Because 2006 Audi A8 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, 2006 Audi A8 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, 2006 Audi A8 (430 Nm @ 3500 RPM) has 126 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville. 1978 Cadillac Seville has automatic transmission and 2006 Audi A8 has manual transmission. 2006 Audi A8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A8 | 1978 Cadillac Seville | |
| Make | Audi | Cadillac |
| Model | A8 | Seville |
| Year Released | 2006 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5735 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 329 HP | 123 HP |
| Engine RPM | 6500 RPM | 3600 RPM |
| Torque | 430 Nm | 304 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 84.6 mm | 103 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1855 kg | 1890 kg |
| Vehicle Length | 5060 mm | 5190 mm |
| Vehicle Width | 1900 mm | 1830 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 2950 mm | 2910 mm |
| Fuel Tank Capacity | 90 L | 79 L |
