1990 Mazda RX-7 vs. 2007 Mercedes-Benz ML
To start off, 2007 Mercedes-Benz ML is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1990 Mazda RX-7 would be higher. At 2,685 cc (5 cylinders), 2007 Mercedes-Benz ML is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz ML (161 HP @ 4200 RPM) has 13 more horse power than 1990 Mazda RX-7. (148 HP @ 6500 RPM) In normal driving conditions, 2007 Mercedes-Benz ML should accelerate faster than 1990 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz ML weights approximately 945 kg more than 1990 Mazda RX-7. 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 Mercedes-Benz ML (400 Nm @ 1800 RPM) has 214 more torque (in Nm) than 1990 Mazda RX-7. (186 Nm @ 3000 RPM). This means 2007 Mercedes-Benz ML will have an easier job in driving up hills or pulling heavy equipment than 1990 Mazda RX-7. 2007 Mercedes-Benz ML has automatic transmission and 1990 Mazda RX-7 has manual transmission. 1990 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz ML will be easier to drive especially in heavy traffic.
Compare all specifications:
1990 Mazda RX-7 | 2007 Mercedes-Benz ML | |
Make | Mazda | Mercedes-Benz |
Model | RX-7 | ML |
Year Released | 1990 | 2007 |
Body Type | Coupe | SUV |
Engine Position | Front | Front |
Engine Size | 2616 cc | 2685 cc |
Engine Type | dual-disk rotary | in-line |
Horse Power | 148 HP | 161 HP |
Engine RPM | 6500 RPM | 4200 RPM |
Torque | 186 Nm | 400 Nm |
Torque RPM | 3000 RPM | 1800 RPM |
Fuel Type | Gasoline | Diesel |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1230 kg | 2175 kg |
Vehicle Length | 4320 mm | 4640 mm |
Vehicle Width | 1700 mm | 1830 mm |
Vehicle Height | 1270 mm | 1850 mm |
Wheelbase Size | 2440 mm | 2830 mm |