W206 C63 S E Performance vs G80 M3 CS: New Model Comparison
These 2 performance saloons continue to captivate driving enthusiasts. The Mercedes-AMG W206 C63 S E Performance and BMW G80 M3 CS stand out as two of the most exciting offerings. Both feature advanced all wheel drive systems, AMG’s 4MATIC+ and BMW’s xDrive. They are designed to deliver exceptional traction and dynamic handling. This detailed comparison covers their powertrains, technology, driving experience and ownership considerations to help new buyers make the best choice.
Let’s take a further look at the c63 s e vs g80 m3.
Engine and Performance
The Mercedes-AMG W206 C63 S E Performance marks a significant departure from its predecessors by adopting a hybrid powertrain. It features a 2.0-litre turbocharged inline-four engine paired with an electric motor, delivering a combined output of approximately 671 bhp (503 kW) and 1,020 Nm of torque. This setup allows the C63 S E Performance to accelerate from 0 to 100 km/h in just 3 seconds. The vehicle has a 9-speed SPEEDSHIFT MCT automatic transmission and an AMG Performance 4MATIC+ all-wheel-drive system. This ensures optimal power delivery and handling across various driving conditions.
In contrast, the BMW G80 M3 CS is powered by a 3.0-litre twin-turbocharged inline-six engine. It produces 542 bhp (406 kW) and 650 Nm of torque. The M3 CS achieves the 0-100 km/h sprint in approximately 2.9 seconds, thanks to its 8-speed M Steptronic automatic transmission and xDrive all-wheel-drive system. While the M3 CS offers impressive performance, the C63 S E Performance’s higher power output and advanced hybrid technology provide a distinct edge in acceleration and overall driving dynamics.
Both systems prioritise rear wheel drive dynamics but offer the added safety and performance benefits of all wheel drive. Particularly important for powerful sports saloons in varying weather.
Mercedes-AMG W206 C63 S E Performance vs BMW G80 M3 CS
| Specification | W206 C63 S E Performance | BMW G80 M3 CS |
|---|---|---|
| Engine Layout | 2.0 L R4 (inline-4, hybrid) | 3.0 L R6 (inline-6, twin-turbo) |
| Max Power | 671 bhp | 542 bhp |
| Max Torque | 1,020 Nm / 752 lb-ft | 650 Nm / 479 lb-ft |
| Curb Weight | 2,140 kg / 4,718 lb | 1,726 kg / 3,805 lb |
| Power-to-Weight | 317 PS / 313 bhp per tonne | 295 PS / 291 bhp per tonne |
| Top Speed | 174 mph (electronically limited) | 188 mph (electronically limited) |
| 0–62 mph (0–100 km/h) | 3 s | 2.9 s |
| Transmission | 9-speed AMG Speedshift MCT | 8-speed M Steptronic |
| Drivetrain | AMG 4MATIC+ AWD (RWD drift mode) | BMW xDrive AWD (rear bias) |
Technology and Interior Features
The W206 C63 S E Performance features Mercedes latest MBUX infotainment system, which boasts a large 12.3-inch digital instrument cluster paired with an 11.9-inch central touchscreen. Also Apple CarPlay, Android Auto and advanced voice controls come standard. The interior blends sportiness with luxury, offering AMG Performance seats and Nappa leather upholstery. The fully customisable ambient lighting will also enhance the driving experience of the C63 S E Performance.
The BMW G80 M3 CS offers the iDrive 8 system with a 12.3-inch digital display and a 14.9-inch central touchscreen. In recent years, the iDrive system BMW provides has been voted the best infotainment system that the 3 top german brands (BMW, Audi and Mercedes) produce. It also supports Apple CarPlay and Android Auto like the Mercedes. However, the BMW also comes with gesture controls which can make things like adjusting audio volume very convenient. The cabin emphasises sporty refinement with M Carbon bucket seats, Merino leather and minimalist styling designed to focus the driver on the road.
Both cabins showcase cutting edge tech and premium materials, but Mercedes edges slightly ahead in luxury. While BMW delivers a more purist and driver focused cockpit.

Driving Experience and Ride Comfort
Notably the 4MATIC+ AWD system, the Mercedes-AMG W206 C63 S E Performance delivers confident handling and excellent grip. This is especially noticeable in wet or slippery conditions. The hybrid powertrain offers instant torque from the electric motor which enhances throttle response and smooth acceleration. The adaptive AMG RIDE CONTROL+ air suspension ensures a supple yet composed ride, striking a balance between comfort and dynamic capability.
The BMW G80 M3 CS on the other hand, is equipped with xDrive. xDrive also excels in traction and cornering stability like 4matic+. Its adaptive M suspension with electronically controlled dampers provides sharp steering feedback and precise control. The xDrive system actively manages torque split to maintain rear wheel drive feel while improving grip and safety. The ride is firmer than the Mercedes, catering to enthusiasts who prioritise sharper handling over outright comfort.
In summary, the C63 S E Performance offers a more refined, comfort-oriented experience with AWD benefits. While the M3 CS prioritises sportier handling with its dynamic xDrive system.
Mercedes-AMG 4MATIC+ vs BMW xDrive — Comparison
| Feature | Mercedes-AMG 4MATIC+ | BMW xDrive |
|---|---|---|
| Drive Type | Fully variable all-wheel drive with rear-biased capability | Permanent all-wheel drive with rear-wheel bias |
| Torque Distribution | 100% rear-wheel up to fully variable front/rear | Electronically controlled, typically 40:60 front/rear |
| Performance Focus | High-performance AMG models; optimised for traction & dynamic handling | Broad BMW range from saloons to SUVs; balances safety & performance |
| Unique Features | Drift mode (RWD only), seamless transition between AWD and RWD | Dynamic Stability Control (DSC) integration, adapts to road conditions |
| Best Suited For | Enthusiasts wanting RWD feel with AWD security | Drivers seeking all-weather confidence and balanced handling |
Pricing, Running Costs, and Ownership
The W206 C63 S E Performance is priced from around £95,000 in the UK. Its hybrid system improves fuel efficiency, averaging about 30 mpg. It also comes with a comprehensive 5-year unlimited mileage warrant and regular servicing is scheduled every 12 months or every 12,000 miles.
The BMW G80 M3 CS starts closer to £105,000. Unlike the Mercedes, its fuel consumption is lower, sitting at roughly 28 mpg. The warranty lasts for 3 years and has unlimited mileage. However, maintenance costs tend to be higher due to performance components like carbon ceramic brakes. Insurance premiums are comparable but generally expensive for both models due to their performance credentials.
Additionally both cars are performance cars they will carry premium running costs. That being said, the Mercedes hybrid tech may offer some savings in fuel and emissions.
W206 C63 S E Performance vs BMW G80 M3 CS
| Feature | W206 C63 S E Performance | BMW G80 M3 CS |
|---|---|---|
| Price (UK) | £95,000 | £105,000 |
| Fuel Economy | 30 mpg | 28 mpg |
| Warranty | 3 years or 60,000 miles | 3 years (unlimited mileage) |
| Servicing Schedule | Every 12 months or 10,000 miles | Every 12 months or 12,000 miles |
| Maintenance | Standard performance maintenance | Higher costs (carbon-ceramic brakes) |
Which All Wheel Drive Sports Saloon is Best for me?
Both the Mercedes-AMG W206 C63 S E Performance and BMW G80 M3 CS harness advanced all wheel drive systems to deliver impressive performance with added grip and safety. Furthermore, AMG’s 4MATIC+ system complements its hybrid powertrain for a smooth, powerful and versatile driving experience suited for daily use and spirited drives alike. Its luxurious interior and comfortable ride make it ideal for buyers seeking refinement alongside speed.
The BMW M3 CS with xDrive appeals to those who want a sharper, more connected driving experience, with the AWD system enhancing traction without compromising its rear wheel drive character. It’s a purist’s choice, emphasising driver involvement and agility. For 2025 buyers, the decision boils down to whether you prioritise cutting edge hybrid performance and luxury or traditional inline six performance with a sporty edge — both enhanced by intelligent all-wheel-drive systems.
If you are looking to cut costs and want the more luxurious interior then the Mercedes may be the right choice for you. However, if you do not mind spending extra money and are looking for drama and a sporty driving experience. Then you should go with the BMW G80 M3 CS.