1990 Mercury Grand Marquis vs. 1989 TVR Speed Eight
To start off, 1990 Mercury Grand Marquis is newer by 1 year(s). Which means there will be less support and parts availability for 1989 TVR Speed Eight. In addition, the cost of maintenance, including insurance, on 1989 TVR Speed Eight would be higher. At 4,942 cc (8 cylinders), 1990 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1989 TVR Speed Eight (225 HP @ 5200 RPM) has 76 more horse power than 1990 Mercury Grand Marquis. (149 HP @ 3200 RPM) In normal driving conditions, 1989 TVR Speed Eight should accelerate faster than 1990 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1990 Mercury Grand Marquis weights approximately 630 kg more than 1989 TVR Speed Eight.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1990 Mercury Grand Marquis (366 Nm @ 2000 RPM) has 26 more torque (in Nm) than 1989 TVR Speed Eight. (340 Nm @ 3500 RPM). This means 1990 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1989 TVR Speed Eight.
Compare all specifications:
| 1990 Mercury Grand Marquis | 1989 TVR Speed Eight | |
| Make | Mercury | TVR |
| Model | Grand Marquis | Speed Eight |
| Year Released | 1990 | 1989 |
| Engine Position | Front | Middle |
| Engine Size | 4942 cc | 3947 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 149 HP | 225 HP |
| Engine RPM | 3200 RPM | 5200 RPM |
| Torque | 366 Nm | 340 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1120 kg |
| Vehicle Length | 5400 mm | 4110 mm |
| Vehicle Width | 1980 mm | 1770 mm |
| Vehicle Height | 1390 mm | 1220 mm |
| Wheelbase Size | 2920 mm | 2470 mm |
| Fuel Tank Capacity | 90 L | 61 L |
