2007 Audi A6 vs. 1987 Ford Sierra
To start off, 2007 Audi A6 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 4,172 cc (8 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (296 HP @ 6200 RPM) has 183 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 660 kg more than 1987 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, 2007 Audi A6 (400 Nm @ 3000 RPM) has 220 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2007 Audi A6 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | A6 | Sierra |
| Year Released | 2007 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2294 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 296 HP | 113 HP |
| Engine RPM | 6200 RPM | 5300 RPM |
| Torque | 400 Nm | 180 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 96 mm |
| Engine Stroke Size | 93 mm | 79.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 1090 kg |
| Vehicle Length | 4840 mm | 4400 mm |
| Vehicle Width | 1860 mm | 1680 mm |
| Vehicle Height | 1460 mm | 1370 mm |
| Wheelbase Size | 2770 mm | 2620 mm |
| Fuel Tank Capacity | 82 L | 45 L |
