2007 Hummer H2 vs. 1975 Mazda RX 4 Coupe
To start off, 2007 Hummer H2 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Mazda RX 4 Coupe. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX 4 Coupe would be higher. At 5,999 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2007 Hummer H2 (325 HP @ 5200 RPM) has 211 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM). In normal driving conditions, 2007 Hummer H2 should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 1793 kg more than 1975 Mazda RX 4 Coupe. 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 Hummer H2 (496 Nm @ 4000 RPM) has 331 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 2007 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 2007 Hummer H2 | 1975 Mazda RX 4 Coupe | |
| Make | Hummer | Mazda |
| Model | H2 | RX 4 Coupe |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 2616 cc |
| Engine Cylinders | 8 cylinders | 2 cylinders |
| Engine Type | V | in-line |
| Horse Power | 325 HP | 114 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 496 Nm | 165 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2903 kg | 1110 kg |
| Vehicle Length | 5180 mm | 4400 mm |
| Vehicle Width | 2070 mm | 1670 mm |
| Vehicle Height | 2020 mm | 1390 mm |
| Wheelbase Size | 3120 mm | 2520 mm |
