1979 Cadillac Seville vs. 1991 Ford Sierra
To start off, 1991 Ford Sierra is newer by 12 year(s). Which means there will be less support and parts availability for 1979 Cadillac Seville. In addition, the cost of maintenance, including insurance, on 1979 Cadillac Seville would be higher. At 5,735 cc (8 cylinders), 1979 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1979 Cadillac Seville (169 HP @ 4200 RPM) has 94 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1979 Cadillac Seville should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1979 Cadillac Seville weights approximately 745 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1979 Cadillac Seville (365 Nm @ 2000 RPM) has 213 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1979 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1979 Cadillac Seville | 1991 Ford Sierra | |
| Make | Cadillac | Ford |
| Model | Seville | Sierra |
| Year Released | 1979 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 1751 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 169 HP | 75 HP |
| Engine RPM | 4200 RPM | 4500 RPM |
| Torque | 365 Nm | 152 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Engine Bore Size | 103 mm | 82.5 mm |
| Engine Stroke Size | 86 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1890 kg | 1145 kg |
| Vehicle Length | 5190 mm | 4430 mm |
| Vehicle Width | 1830 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2910 mm | 2620 mm |
