2008 Mercedes-Benz GL vs. 1973 Pontiac Firebird
To start off, 2008 Mercedes-Benz GL is newer by 35 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 7,467 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz GL (383 HP @ 6000 RPM) has 48 more horse power than 1973 Pontiac Firebird. (335 HP @ 4800 RPM). In normal driving conditions, 2008 Mercedes-Benz GL should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz GL weights approximately 995 kg more than 1973 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 1973 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2008 Mercedes-Benz GL 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.
Compare all specifications:
| 2008 Mercedes-Benz GL | 1973 Pontiac Firebird | |
| Make | Mercedes-Benz | Pontiac |
| Model | GL | Firebird |
| Year Released | 2008 | 1973 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5459 cc | 7467 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 383 HP | 335 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Engine Bore Size | 98 mm | 104.9 mm |
| Engine Stroke Size | 90.5 mm | 108 mm |
| Engine Compression Ratio | 10.7:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 240 km/hour | 201 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2445 kg | 1450 kg |
| Vehicle Length | 5090 mm | 4870 mm |
| Vehicle Width | 1930 mm | 1880 mm |
| Vehicle Height | 1850 mm | 1280 mm |
| Wheelbase Size | 3080 mm | 2750 mm |
