Audi's 5.9-liter diesel V12-powered Q7 was an unexpectedly powerful beast. The Q7's 493bhp engine, which has never been utilized in a production car, accelerated from 0 to 62mph in 5.5 seconds.
Every M3 has a separate engine from the BMW 3-Series. The 4.0-liter (and 4.4-liter for the GTS variant) S65 V8 powered the 2007–2013 generation.
Most CT6s were full-size luxury sedans. The CT6-V's Blackwing 550 horsepower 4.2-liter V8 engine made it a powerful performer. CT6 Platinum had 500 horsepower.
It's surprising that the 1953 Corvette with a straight-six engine didn't sell well since it's one of the most popular sports cars ever.
The third Challenger in nearly 50 years has been sold in numerous shocking configurations with massive power outputs. Even so, the 2018-only SRT Demon is impressive.
Four-cylinder gasoline engines powered the 500. Fiat introduced the two-cylinder TwinAir three years after its 2007 introduction, the first engine designed from the outset to employ MultiAir technology.