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The Audi S5 is one of those cars that you can park in a lot full of competitors and it still stands out without even trying. It’s not flashy like a bright-red sports car, but people who know cars will give it a second look. The main reason? What’s under the hood. The S5’s engine is where the magic happens, and even if you’re buying one used, it’s a motor that still carries plenty of respect in the performance world.
Now, a lot of folks go after used Audi S5 engines because they’re working on a rebuild, doing a swap, or just need to replace a tired motor in their coupe or sportback. Whatever the reason, these engines have earned a reputation for being tough, powerful, and surprisingly reasonable to maintain—especially when compared to other European performance options.
Why Audi S5 Engines Are in Demand
Audi has always been about balance. The S5 isn’t the top-tier RS5, but it’s not an entry-level Audi A5 either. It hits that sweet middle ground: plenty of speed, but still comfortable enough for a daily commute.
The engines are a big reason for that. Over the years, the S5 has seen three main setups:
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The V8 (2007–2012 models) – a naturally aspirated 4.2L that enthusiasts still rave about. It’s got that classic muscle feel but wrapped in German refinement.
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The Supercharged V6 (2013–2016) – more modern, more efficient, but still eager when you press the throttle.
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The Turbocharged V6 (2017–present) – the best of both worlds: loads of low-end torque, strong top-end pull, and better fuel efficiency.
Each one brings something different to the table, and that’s why they’re all still sought after today.
What Owners Like About Them
Talk to anyone who’s owned an S5 for a while, and you’ll notice a theme. The engines feel lively but don’t punish you with ridiculous maintenance bills. Sure, it’s still a German performance car, so you can’t skip oil changes or slack on servicing, but compared to BMW’s M engines or Mercedes-AMG units, the S5 is easier on the wallet.
Another thing that gets mentioned a lot is durability. With proper care, these engines easily push past 150,000 miles, and many examples go further without major issues. That kind of reliability isn’t always common in the luxury-performance segment, and it’s one of the reasons used S5 engines sell quickly when they show up for sale.
The Driving Experience
Specs are nice, but let’s be honest: the real fun is behind the wheel. The modern 3.0L turbocharged V6 makes around 349 horsepower and 369 lb-ft of torque, and what’s great is how early that torque shows up. You don’t need to redline it to feel the shove—it comes alive low in the rev range.
Pair that with Audi’s Quattro all-wheel-drive system, and you’ve got a car that hooks up in all conditions. Rain, snow, dry pavement—it doesn’t matter, the engine and drivetrain work together to keep you moving confidently. It’s a setup that’s as enjoyable on a winding back road as it is cruising down the highway.
And if you’ve ever heard the older V8 S5, you’ll know why some owners refuse to give theirs up. That sound alone is enough to make you grin every time you hit the start button.
Real-World Maintenance
Let’s clear up a common misconception: yes, European cars can be expensive to maintain. But the Audi S5 engine doesn’t have to drain your bank account.
Oil changes, spark plugs, and filters are standard jobs and not much pricier than on other performance cars. Timing chains and cooling systems need attention as the miles pile up, but if you buy a used engine that’s been looked after—or you’re ready to do some preventative work—you’ll be in good shape.
The other upside? Parts availability. Audi built plenty of S5s and shared components with other models, so replacement parts aren’t unicorns. That keeps things simpler if you’re planning to run one of these engines for the long haul.
Why a Used S5 Engine Makes Sense
Brand-new performance engines cost a fortune, and in many cases, they’re overkill for what most drivers need. A used Audi S5 engine, on the other hand, gives you a proven motor with plenty of life left, at a price that makes sense.
Let’s say your current S5 motor has given up after years of hard driving. Instead of pouring money into endless repairs, swapping in a tested used engine often ends up being cheaper and more reliable in the long run. Or maybe you’re building a project car and want something with character—an S5 engine is a solid choice for that too.
A Quick Comparison
Put the Audi S5 next to its rivals—BMW’s 3- or 4-series performance trims, or Mercedes’ AMG C43—and you’ll see why people gravitate toward Audi. The S5 doesn’t chase flashiness. It delivers power smoothly, feels planted thanks to Quattro, and doesn’t sacrifice daily usability.
That’s reflected in its engines too. They’re powerful enough to keep up with the competition, yet reliable enough that owners aren’t spending every other weekend at the mechanic. If anything, that’s the real win here.
Final Thoughts
The Audi S5 has built its reputation on engines that balance performance, refinement, and reliability. Whether you’re talking about the old-school V8, the supercharged V6, or the latest turbocharged setup, each version has its own personality—and each one is worth considering if you’re shopping for a used engine.
A used Audi S5 engine is more than just a replacement part. It’s an opportunity to get into German performance without the full new-car price tag. It’s also a smart buy for anyone who values power and precision but doesn’t want the headaches that often come with other luxury brands.
At Turbo Autoparts, we make it easy to find high-quality used Audi S5 engines. Every unit we stock is inspected and tested, so you don’t have to second-guess your purchase. Whether you’re bringing an older S5 back to life or upgrading your current ride, the right engine is out there waiting for you.