1978 Cadillac Seville vs. 2007 Chevrolet Impala
To start off, 2007 Chevrolet Impala is newer by 29 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, 2007 Chevrolet Impala (217 HP @ 5800 RPM) has 94 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM) In normal driving conditions, 2007 Chevrolet Impala should accelerate faster than 1978 Cadillac Seville.
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, 2007 Chevrolet Impala, 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, 1978 Cadillac Seville (304 Nm @ 1600 RPM) has 10 more torque (in Nm) than 2007 Chevrolet Impala. (294 Nm @ 4000 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet Impala.
Compare all specifications:
| 1978 Cadillac Seville | 2007 Chevrolet Impala | |
| Make | Cadillac | Chevrolet |
| Model | Seville | Impala |
| Year Released | 1978 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 3507 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 217 HP |
| Engine RPM | 3600 RPM | 5800 RPM |
| Torque | 304 Nm | 294 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Engine Bore Size | 103 mm | 99.1 mm |
| Engine Stroke Size | 86 mm | 75.9 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5190 mm | 5100 mm |
| Vehicle Width | 1830 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2910 mm | 2810 mm |
| Fuel Tank Capacity | 79 L | 45 L |
