1951 Aston Martin DB3 vs. 1991 Ford Sierra
To start off, 1991 Ford Sierra is newer by 40 year(s). Which means there will be less support and parts availability for 1951 Aston Martin DB3. In addition, the cost of maintenance, including insurance, on 1951 Aston Martin DB3 would be higher. At 2,922 cc (6 cylinders), 1951 Aston Martin DB3 is equipped with a bigger engine. In terms of performance, 1951 Aston Martin DB3 (138 HP @ 5500 RPM) has 63 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1951 Aston Martin DB3 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 140 kg more than 1951 Aston Martin DB3.
Let's talk about torque, 1951 Aston Martin DB3 (243 Nm @ 5500 RPM) has 91 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1951 Aston Martin DB3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1951 Aston Martin DB3 | 1991 Ford Sierra | |
| Make | Aston Martin | Ford |
| Model | DB3 | Sierra |
| Year Released | 1951 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2922 cc | 1751 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 75 HP |
| Engine RPM | 5500 RPM | 4500 RPM |
| Torque | 243 Nm | 152 Nm |
| Torque RPM | 5500 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1005 kg | 1145 kg |
| Vehicle Width | 1510 mm | 1700 mm |
