2007 Acura TL vs. 1991 Ford Sierra
To start off, 2007 Acura TL is newer by 16 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 3,471 cc (6 cylinders), 2007 Acura TL is equipped with a bigger engine. In terms of performance, 2007 Acura TL (286 HP @ 6200 RPM) has 211 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2007 Acura TL should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Acura TL weights approximately 255 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, 2007 Acura TL (347 Nm @ 5000 RPM) has 195 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2007 Acura TL will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2007 Acura TL | 1991 Ford Sierra | |
| Make | Acura | Ford |
| Model | TL | Sierra |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3471 cc | 1751 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 286 HP | 75 HP |
| Engine RPM | 6200 RPM | 4500 RPM |
| Torque | 347 Nm | 152 Nm |
| Torque RPM | 5000 RPM | 2200 RPM |
| Engine Bore Size | 89 mm | 82.5 mm |
| Engine Stroke Size | 93 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1400 kg | 1145 kg |
| Vehicle Length | 4830 mm | 4430 mm |
| Vehicle Width | 1840 mm | 1700 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 2750 mm | 2620 mm |
| Fuel Tank Capacity | 65 L | 60 L |
