1978 Mercury Grand Marquis vs. 2007 Suzuki XL7
To start off, 2007 Suzuki XL7 is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1978 Mercury Grand Marquis would be higher. At 4,942 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2007 Suzuki XL7 (252 HP @ 6500 RPM) has 123 more horse power than 1978 Mercury Grand Marquis. (129 HP @ 3600 RPM) In normal driving conditions, 2007 Suzuki XL7 should accelerate faster than 1978 Mercury Grand Marquis.
Because 2007 Suzuki XL7 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2007 Suzuki XL7 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 Suzuki XL7 (330 Nm @ 2300 RPM) has 27 more torque (in Nm) than 1978 Mercury Grand Marquis. (303 Nm @ 2600 RPM). This means 2007 Suzuki XL7 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mercury Grand Marquis.
Compare all specifications:
| 1978 Mercury Grand Marquis | 2007 Suzuki XL7 | |
| Make | Mercury | Suzuki |
| Model | Grand Marquis | XL7 |
| Year Released | 1978 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 3564 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 129 HP | 252 HP |
| Engine RPM | 3600 RPM | 6500 RPM |
| Torque | 303 Nm | 330 Nm |
| Torque RPM | 2600 RPM | 2300 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5400 mm | 5020 mm |
| Vehicle Width | 1980 mm | 1840 mm |
| Vehicle Height | 1390 mm | 1760 mm |
| Wheelbase Size | 2910 mm | 2860 mm |
