1999 TVR Speed 12 vs. 2011 GMC Envoy
To start off, 2011 GMC Envoy is newer by 12 year(s). Which means there will be less support and parts availability for 1999 TVR Speed 12. In addition, the cost of maintenance, including insurance, on 1999 TVR Speed 12 would be higher. At 7,728 cc (12 cylinders), 1999 TVR Speed 12 is equipped with a bigger engine. In terms of performance, 1999 TVR Speed 12 (790 HP @ 7750 RPM) has 505 more horse power than 2011 GMC Envoy. (285 HP @ 6000 RPM). In normal driving conditions, 1999 TVR Speed 12 should accelerate faster than 2011 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Envoy weights approximately 1435 kg more than 1999 TVR Speed 12.
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, 1999 TVR Speed 12 (881 Nm @ 5750 RPM) has 507 more torque (in Nm) than 2011 GMC Envoy. (374 Nm @ 4600 RPM). This means 1999 TVR Speed 12 will have an easier job in driving up hills or pulling heavy equipment than 2011 GMC Envoy. 2011 GMC Envoy has automatic transmission and 1999 TVR Speed 12 has manual transmission. 1999 TVR Speed 12 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 GMC Envoy will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 TVR Speed 12 | 2011 GMC Envoy | |
| Make | TVR | GMC |
| Model | Speed 12 | Envoy |
| Year Released | 1999 | 2011 |
| Body Type | Coupe | SUV |
| Engine Position | Middle | Front |
| Engine Size | 7728 cc | 4161 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 790 HP | 285 HP |
| Engine RPM | 7750 RPM | 6000 RPM |
| Torque | 881 Nm | 374 Nm |
| Torque RPM | 5750 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1000 kg | 2435 kg |
| Vehicle Length | 4310 mm | 4870 mm |
| Vehicle Width | 1970 mm | 1900 mm |
| Vehicle Height | 1110 mm | 1830 mm |
| Wheelbase Size | 2570 mm | 2880 mm |
| Fuel Consumption Overall | 13 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 57 L | 83 L |
