2007 Acura RDX vs. 1991 Mazda RX-7
To start off, 2007 Acura RDX is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1991 Mazda RX-7 would be higher. At 2,616 cc, 1991 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 2007 Acura RDX (240 HP @ 6000 RPM) has 43 more horse power than 1991 Mazda RX-7. (197 HP @ 6500 RPM). In normal driving conditions, 2007 Acura RDX should accelerate faster than 1991 Mazda RX-7.
Because 2007 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Acura RDX (353 Nm @ 4500 RPM) has 83 more torque (in Nm) than 1991 Mazda RX-7. (270 Nm @ 3500 RPM). This means 2007 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda RX-7. 2007 Acura RDX has automatic transmission and 1991 Mazda RX-7 has manual transmission. 1991 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 Acura RDX | 1991 Mazda RX-7 | |
Make | Acura | Mazda |
Model | RDX | RX-7 |
Year Released | 2007 | 1991 |
Body Type | SUV | Convertible |
Engine Position | Front | Front |
Engine Size | 2300 cc | 2616 cc |
Engine Type | in-line | dual-disk rotary |
Horse Power | 240 HP | 197 HP |
Engine RPM | 6000 RPM | 6500 RPM |
Torque | 353 Nm | 270 Nm |
Torque RPM | 4500 RPM | 3500 RPM |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 5 doors | 2 doors |
Vehicle Length | 4600 mm | 4320 mm |
Vehicle Width | 1880 mm | 1700 mm |
Vehicle Height | 1660 mm | 1270 mm |
Wheelbase Size | 2660 mm | 2430 mm |
Fuel Tank Capacity | 68 L | 75 L |