Audi S3 vs BYD Sealion 5

What's the difference?

VS
Audi S3
Audi S3

2025 price

BYD Sealion 5
BYD Sealion 5

$33,990 - $37,990

2026 price

Summary

2025 Audi S3
2026 BYD Sealion 5
Safety Rating

Engine Type
Turbo 4, 2.0L

Inline 4, 1.5L
Fuel Type
Premium Unleaded Petrol

Premium Unleaded/Electric
Fuel Efficiency
7.9L/100km (combined)

4.5L/100km (combined)
Seating
5

5
Dislikes
  • Tiny back seat
  • Missing some premium features
  • Lots of road noise

  • Steering column needs more adjustment
  • Flat rear seat cushion
  • Engine can be noisy when stretched
2025 Audi S3 Summary

In a world where car upgrades often feel like saying, “Can I upsize that?”, it’s refreshing to hop into the updated Audi S3 Sportback.

The flagship RS 3 may still be the holy grail of hot hatch dreams, but with boosted engine outputs and upgraded tech, the S3 is stepping up.

Is the S3 Sportback the smarter pick over pricier rivals? It delivers serious performance and polish without stretching into RS 3 territory. With fierce competition in the segment, let’s see what this contender brings to the table.

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2026 BYD Sealion 5 Summary

Following the money comes pretty naturally to carmakers. It’s what happens when the product planning department smells a new direction on the breeze and then handballs that to the design and engineering folks who turn a perceived market trend into a showroom reality. And when everybody gets it right, you have a new default product. And everybody else has to keep up. Some even have to catch up.

We’ve seen it plenty of times before, too. Think about those early 1980s days when the default small car went from a sedan to the five-door hatchback. Didn’t that catch on? You might also remember more recently when a family car had to be a four-wheel drive. And what about the dual-cab ute revolution of the last 15 years?

The other strident market segment right now is the SUV, of course. And within that, most recently has been the march to electrification, starting with conventional hybrid technology and now progressing to the new must-have, a plug-in hybrid platform.

The fact is, if you’re a Chinese carmaker intending to sell on a world stage, you can’t ignore the plug-in SUV in any of its various sizes and marketing segments. There’s a good basis for this, too. Plug-in hybrids just make good sense. They offer the urban running-cost advantages of any hybrid, the option of zero tailpipe emissions, all-electric running over a normal commuting distance and – crucial for a big country like this one – they’ll keep motoring along for as long as the owner puts petrol in them.

Okay, so they can be heavy with all that tech on board, and there’s no denying that two power sources (petrol and electric) make for a more complex machine, but the advantages outweigh the downsides for many buyers.

The other graph you can plot with great certainty is that new tech will get cheaper as the industry moves forward. Which is exactly where BYD finds itself right now by being able to offer a plug-in hybrid variant of its Sealion 5 mid-sized SUV at a price that will have much of the opposition running scared. But how scared should the others be?

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Deep dive comparison

2025 Audi S3 2026 BYD Sealion 5

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