1985 Mazda RX-7 vs. 2007 Mercedes-Benz G
To start off, 2007 Mercedes-Benz G is newer by 22 year(s). Which means there will be less support and parts availability for 1985 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1985 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 (469 HP @ 6100 RPM) has 365 more horse power than 1985 Mazda RX-7. (104 HP @ 6000 RPM) In normal driving conditions, 2007 Mercedes-Benz G should accelerate faster than 1985 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz G weights approximately 1365 kg more than 1985 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 1985 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 @ 2650 RPM) has 555 more torque (in Nm) than 1985 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2007 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1985 Mazda RX-7. 2007 Mercedes-Benz G has automatic transmission and 1985 Mazda RX-7 has manual transmission. 1985 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:
| 1985 Mazda RX-7 | 2007 Mercedes-Benz G | |
| Make | Mazda | Mercedes-Benz |
| Model | RX-7 | G |
| Year Released | 1985 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 5439 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 104 HP | 469 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 145 Nm | 700 Nm |
| Torque RPM | 4000 RPM | 2650 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1060 kg | 2425 kg |
| Vehicle Length | 4290 mm | 4670 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Vehicle Height | 1270 mm | 1940 mm |
| Wheelbase Size | 2430 mm | 2860 mm |
| Fuel Tank Capacity | 65 L | 96 L |
