1999 Aston Martin DB7 vs. 1991 BMW M12
To start off, 1999 Aston Martin DB7 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 BMW M12. In addition, the cost of maintenance, including insurance, on 1991 BMW M12 would be higher. At 5,935 cc (12 cylinders), 1999 Aston Martin DB7 is equipped with a bigger engine. In terms of performance, 1999 Aston Martin DB7 (420 HP @ 6000 RPM) has 124 more horse power than 1991 BMW M12. (296 HP @ 5200 RPM). In normal driving conditions, 1999 Aston Martin DB7 should accelerate faster than 1991 BMW M12.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1999 Aston Martin DB7 (542 Nm @ 5000 RPM) has 92 more torque (in Nm) than 1991 BMW M12. (450 Nm @ 4100 RPM). This means 1999 Aston Martin DB7 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW M12. 1999 Aston Martin DB7 has automatic transmission and 1991 BMW M12 has manual transmission. 1991 BMW M12 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Aston Martin DB7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Aston Martin DB7 | 1991 BMW M12 | |
| Make | Aston Martin | BMW |
| Model | DB7 | M12 |
| Year Released | 1999 | 1991 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 5935 cc | 4988 cc |
| Engine Cylinders | 12 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 420 HP | 296 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 542 Nm | 450 Nm |
| Torque RPM | 5000 RPM | 4100 RPM |
| Engine Bore Size | 89.1 mm | 84 mm |
| Engine Stroke Size | 79.5 mm | 75 mm |
| Engine Compression Ratio | 10.3:1 | 8.8:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4670 mm | 4370 mm |
| Vehicle Width | 1840 mm | 2000 mm |
| Vehicle Height | 1240 mm | 1110 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
