2009 Acura TL vs. 1991 Ford Sierra
To start off, 2009 Acura TL is newer by 18 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 3,664 cc (6 cylinders), 2009 Acura TL is equipped with a bigger engine. In terms of performance, 2009 Acura TL (305 HP @ 6300 RPM) has 230 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2009 Acura TL should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura TL weights approximately 305 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, 2009 Acura TL (370 Nm @ 5000 RPM) has 218 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2009 Acura TL will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2009 Acura TL | 1991 Ford Sierra | |
| Make | Acura | Ford |
| Model | TL | Sierra |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3664 cc | 1751 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 305 HP | 75 HP |
| Engine RPM | 6300 RPM | 4500 RPM |
| Torque | 370 Nm | 152 Nm |
| Torque RPM | 5000 RPM | 2200 RPM |
| Engine Compression Ratio | 10.0:1 | 21.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1145 kg |
| Vehicle Length | 4970 mm | 4430 mm |
| Vehicle Width | 1890 mm | 1700 mm |
| Vehicle Height | 1460 mm | 1370 mm |
| Wheelbase Size | 2780 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 60 L |
