1991 Mazda RX-7 vs. 2007 Mercedes-Benz G
To start off, 2007 Mercedes-Benz G 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 5,439 cc (8 cylinders), 2007 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz G (493 HP @ 6100 RPM) has 296 more horse power than 1991 Mazda RX-7. (197 HP @ 6500 RPM) In normal driving conditions, 2007 Mercedes-Benz G should accelerate faster than 1991 Mazda RX-7.
Because 2007 Mercedes-Benz G 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 Mercedes-Benz G 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 Mercedes-Benz G (700 Nm @ 2750 RPM) has 430 more torque (in Nm) than 1991 Mazda RX-7. (270 Nm @ 3500 RPM). This means 2007 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda RX-7. 2007 Mercedes-Benz G 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 Mercedes-Benz G will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Mazda RX-7 | 2007 Mercedes-Benz G | |
| Make | Mazda | Mercedes-Benz |
| Model | RX-7 | G |
| Year Released | 1991 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 5439 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 197 HP | 493 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 270 Nm | 700 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4320 mm | 4720 mm |
| Vehicle Width | 1700 mm | 1870 mm |
| Vehicle Height | 1270 mm | 1980 mm |
| Wheelbase Size | 2430 mm | 2860 mm |
| Fuel Tank Capacity | 75 L | 96 L |
