2009 Aston Martin DB9 vs. 1994 Porsche 928
To start off, 2009 Aston Martin DB9 is newer by 15 year(s). Which means there will be less support and parts availability for 1994 Porsche 928. In addition, the cost of maintenance, including insurance, on 1994 Porsche 928 would be higher. At 5,935 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (464 HP @ 6000 RPM) has 158 more horse power than 1994 Porsche 928. (306 HP @ 5900 RPM). In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 1994 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 230 kg more than 1994 Porsche 928. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Aston Martin DB9 (443 Nm @ 5000 RPM) has 34 more torque (in Nm) than 1994 Porsche 928. (409 Nm @ 4100 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1994 Porsche 928.
Compare all specifications:
| 2009 Aston Martin DB9 | 1994 Porsche 928 | |
| Make | Aston Martin | Porsche |
| Model | DB9 | 928 |
| Year Released | 2009 | 1994 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 4664 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 464 HP | 306 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 443 Nm | 409 Nm |
| Torque RPM | 5000 RPM | 4100 RPM |
| Engine Bore Size | 89.1 mm | 97 mm |
| Engine Stroke Size | 79.5 mm | 78.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1530 kg |
| Vehicle Length | 4710 mm | 4450 mm |
| Vehicle Width | 1880 mm | 1840 mm |
| Vehicle Height | 1320 mm | 1290 mm |
| Wheelbase Size | 2750 mm | 2510 mm |
| Fuel Tank Capacity | 85 L | 76 L |
