2003 Cadillac Seville vs. 1991 Ford Sierra
To start off, 2003 Cadillac Seville is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 4,565 cc (8 cylinders), 2003 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2003 Cadillac Seville (300 HP @ 6000 RPM) has 225 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2003 Cadillac Seville should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Cadillac Seville weights approximately 661 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, 2003 Cadillac Seville (407 Nm @ 4500 RPM) has 255 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2003 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2003 Cadillac Seville | 1991 Ford Sierra | |
| Make | Cadillac | Ford |
| Model | Seville | Sierra |
| Year Released | 2003 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1751 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 75 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 407 Nm | 152 Nm |
| Torque RPM | 4500 RPM | 2200 RPM |
| Engine Bore Size | 93 mm | 82.5 mm |
| Engine Stroke Size | 84 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 21.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1806 kg | 1145 kg |
| Vehicle Length | 5110 mm | 4430 mm |
| Vehicle Width | 1910 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 60 L |
