2009 Acura RDX vs. 1991 Ford Mustang
To start off, 2009 Acura RDX is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1991 Ford Mustang would be higher. At 2,301 cc (4 cylinders), 1991 Ford Mustang is equipped with a bigger engine. In terms of performance, 2009 Acura RDX (237 HP @ 6000 RPM) has 131 more horse power than 1991 Ford Mustang. (106 HP @ 4600 RPM). In normal driving conditions, 2009 Acura RDX should accelerate faster than 1991 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 524 kg more than 1991 Ford Mustang. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 1991 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 2009 Acura RDX will offer significantly more control. 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, 2009 Acura RDX (260 Nm @ 4500 RPM) has 77 more torque (in Nm) than 1991 Ford Mustang. (183 Nm @ 2600 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Mustang.
Compare all specifications:
| 2009 Acura RDX | 1991 Ford Mustang | |
| Make | Acura | Ford |
| Model | RDX | Mustang |
| Year Released | 2009 | 1991 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 2301 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 237 HP | 106 HP |
| Engine RPM | 6000 RPM | 4600 RPM |
| Torque | 260 Nm | 183 Nm |
| Torque RPM | 4500 RPM | 2600 RPM |
| Engine Compression Ratio | 8.8:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1784 kg | 1260 kg |
| Vehicle Length | 4600 mm | 4560 mm |
| Vehicle Width | 1880 mm | 1760 mm |
| Vehicle Height | 1660 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2560 mm |
| Fuel Tank Capacity | 68 L | 45 L |
