RX7 is alot faster than RX8
, my friend has one. Both cars have bad fuel economy and drinks oil. In the RX7 I understand why it has bad mpg and drinks oil, but in the RX8 I really really dont understand why the mpg is so low in a pretty slow car like the RX8. It's not -that- much faster.
How fast is RX7?
Top Speed:
150 mph
(Est.)
Is the RX8 more reliable than the RX7?
Rotary maintenance
Carefully-maintained,
both the Mazda RX7 and RX8 can be very reliable
. Jean-Pierre Derdeyn of rotary-specialist shop Derwin Performance told Hagerty that rotary engines can last for 150,000 miles or more without issue if maintained correctly.
Is the RX8 engine the same as the RX7?
RX7 VS RX8: Powerplant
It's plain to see that both Mazda RX sportscars are powered by vastly different engines. They may be
both rotary engines
, but they are fundamentally different. For one, the 13B-REW touts a laudably well-engineered sequential turbo system, while the RENESIS is just naturally aspirated.
What is better RX8 or RX7?
Mazda RX8
accomplishes the highest speed of 230-240 kmph in no time. The top speed makes this an ultimate sports car and sedan at one fell swoop. The RX7 reaches a top speed of 190-200 kmph. Both RX7 & RX8 are brilliant regarding acceleration.
Why are RX-8 so unreliable?
No, it's not just one part of the engine, it's the whole thing, as the Renesis 1.3-liter rotary engine that powers this sports car is known to be a
gas-guzzling
, unreliable machine. Instead of pistons, the rotary engine uses rotors to operate, and over time, they tend to wear down.
Why did the RX-8 fail?
The problem is that there are so many different ways for an engine to fail:
Excessive carbon buildup accelerates seal wear
, causing compression loss (particularly a problem in automatic RX-8s) Excessive carbon buildup unseats the seals, causing compression loss (particularly a problem in automatic RX-8s)
Why is the RX-7 illegal?
So is the Mazda RX7 illegal? Well, technically, yes: any Mazda RX7 produced after 1995 would have been made to cater to the Japanese car market, which meant that it
had a Left-hand drive configuration
, which is illegal in the United States.
Why is RX-7 so expensive?
Over time RX7s have been destroyed in accidents
, died from neglect, or become uneconomical to repair and been sent to the scrap heap. Basic laws of supply and demand therefore dictate that the RX7 will become increasingly more expensive over time (provided the bottom does not fall out of the classic car market).
Is the RX-7 legal?
Any Mazda RX
-7 produced after 1995 is not allowed or is banned in the United States
. … Another option is to have a 1995 Mazda RX-7 or older imported from a seller outside the United States.
Why is RX-8 so cheap?
Poor Fuel Economy & Daily Drivability
Another reason why the RX8 is cheap to buy now is
because many are put off by the poor fuel economy of the car
. Rotary engines might be small in size (and produce substantial power relative to that size) but they have a tendency to be thirsty.
Why was the RX-7 discontinued?
Mazda stopped building the RX-8, its last rotary-powered sports-car, in 2012 after it was
phased out by emissions regulations
.
What's faster RX-7 or Supra?
The top performance brought the
RX-7
up to 276 horsepower which rocketed the car to a tops speed of 155 miles per hour and did 0-60 miles per hour in 5.7 seconds. Like the RX-7, the Supra's engine went down in history as a legend. … This allowed the Supra a 0-60 time of 5.1 seconds and a top speed of 160 miles per hour.
Is RX8 turbocharged?
Nothing can be compared to the feel of a rotary engine that is
turbocharged
. A turbocharged Mazda RX-8 provides for higher output levels and a smooth power delivery. It is ideal to place the turbo low in the chassis in order to yield low temperatures under the hood.
Do RX-8 have alot of problems?
While the RX-8 has the unique rotary style engine, it has
a record of being highly unreliable
, particularly after 60,000 miles.
Which year RX-8 is the best?
As the RX-8 didn't change much over its seven year run, we'd recommend going with a
2010 or newer model
due to the improvements in the engine that greatly reduce roughness, flooding and most importantly, oil consumption. If you're on a budget and looking at an older model, try to find a low-mileage one-owner car.
