With the V8s dominating all other engines with power, the Six-cylinder engines are no less than the V8s, These Six-cylinder engines can come very close to the V8s with better fuel economy and less price. But there are a few vehicles with Six-Cylinder engines that are significantly underpowered. Here is a list of 10 sports cars with Six-Cylinder engines everyone should avoid buying in the used market. (Source : hotcars.com)
1. 2005 Porsche 997
The 2005 Porsche 997 comes with a 3.6-liter flat-six cylinder engine that can make a power of 325 hp. But this is the vehicle that should be avoided because of its issues with reliability like the engine misfires, and IMS bearing issues. Otherwise, this vehicle is quite good with the kind of driving capabilities it has.
2. Pontiac Fiero GT
This vehicle gets a 2.8-liter V-6 engine that makes 140 hp. With a five-speed manual transmission, this can accelerate from 0-60 in 7.9-8.1 seconds and with automatic transmission, it takes 9.0 seconds. The top speed of this vehicle is 120 mph and can cover a 1/4 mile distance in 16 seconds. But his vehicle is known for its exhaust leaks on the front side of the exhaust manifold with the cracks in the manifold. Engine and transmission mounts fail very frequently due to the rubber in the upper engine mount.
3. 2009-2010 Nissan 370Z
This vehicle equips a 3.7-liter V6 engine that produces a power output of 332 horsepower and a torque of 270 lb-ft. The vehicle can achieve a top speed of 155mph and accelerate from 0-60mph in just 4.7sec. It can cover a 1/4 mile distance in 13.3 sec with a speed of 105.7 mph and has a value of $17,500.
4. Aston Martin DB7
This vehicle is equipped with a 3.2L supercharged inline 6 cylinder engine that is capable of making a power output of 355 hp. The engine coupled to either a 4-speed GM 4L80-E automatic transmission or a 5-speed Getrag 290 manual transmission. This vehicle is very good when it comes to performance but the low-grade interior made the vehicle to go down.
5. 1999 Plymouth Prowler
This retro car gets a 3.5 L EGG V6 engine coupled to a 4-speed 42LE automatic transmission. Starting production in 1997 the vehicle has only one generation with 11,702 units produced till 2002. The engine is very underpowered producing 214 hp, even after boosting it could only produce 253hp.
6. 1997 Subaru SVX
The vehicle has a 3.3L H6 DOHC 24 valve engine that produces a power of 230 hp at 5400 rpm. This sports coupe gets a 4-speed automatic transmission with an acceleration time of 7.3 seconds to reach 60 mph from 0. It has a top speed of 143 mph.
7. 1994 Ford Mustang V6
The fourth generation Mustang was produced from 1994 to 1998. With many engine options with the V6 and V8, the one everyone needs to avoid buying is the vehicle with V6. This vehicle was cheaper than others and comes with a 3.8-liter V6 engine making 145 hp. But the issue is its laggy transmission that gets rough and worse with time.
8. Hyundai Tiburon GT
The GT sports coupe came with a 2.7-liter V6 engine making 172 hp. This engine is borrowed from Hyundai’s Sonata and Santa Fe. The engine is coupled to a standard five-speed manual transmission or an optional four-speed automatic transmission. This vehicle has many issues with engine failure and transmission.
9. DeLorean DMC
This sports vehicle equips a 2.8-liter V6 engine that is capable of making a power output of only 130 hp. In addition to the underpowered engine, the vehicle has issues with handling and driving. The vehicle has a beautiful design but the build quality is very poor.
10. 1994 Ford Probe
This ford has a 2.5-liter V6 engine that is capable of making a power output of 164 hp. This is a great car when it comes to design with the popup headlights and good interiors for its price. But the vehicle had problems with electrical failures, and less power and sometimes caused fires due to electrical problems.