Comparing the Audi A8 Plug-in Hybrid (A8 TFSI e) and the Mercedes-Benz S-Class Plug-in Hybrid (S580e) involves several aspects, from performance to range, size, and costs. Let’s break down the key differences between these two luxury plug-in hybrid sedans:
1. Performance & Engine
Audi A8 60 TFSI e:
Engine: 3.0-liter V6 engine paired with an electric motor.
Total Power Output: 443 hp (combined).
Torque: 516 lb-ft.
Transmission: 8-speed automatic.
0-60 mph: Around 4.9 seconds.
Mercedes-Benz S580e:
Engine: 3.0-liter inline-6 engine combined with an electric motor.
Total Power Output: 510 hp (combined).
Torque: ~553 lb-ft.
Transmission: 9-speed automatic.
0-60 mph: Around 4.7 seconds.

2. Electric Range & Battery
Audi A8:
Battery Capacity: 17.9 kWh.
Electric Range: Around 18-22 miles (depending on conditions).
Charging: AC charging only; no DC fast-charging option.
Mercedes-Benz S-Class:
Battery Capacity: 21.5 kWh.
Electric Range: Around 60-62 miles (WLTP standard, real-world 40+ miles).
Charging: AC charging and optional DC fast charging, allowing faster recharging times.
3. Size & Dimensions
Audi A8:
Length: 209.0 inches.
Width: 76.6 inches.
Height: 58.6 inches.
Wheelbase: 123.1 inches.
Trunk Space: Around 10-12 cu ft (less due to the battery).
Mercedes-Benz S-Class:
Length: 208.2 inches.
Width: 76.9 inches.
Height: 59.2 inches.
Wheelbase: 126.6 inches.
Trunk Space: Around 12.9 cu ft (also reduced by battery placement).
4. Price
Audi A8 60 TFSI e:
Starting Price: Around $96,000 (depending on trim and features).
Mercedes-Benz S580e:
Starting Price: Around $122,000 (with options and configurations pushing the price higher).
5. Interior & Features
Audi A8:
High-tech interior with Audi’s MMI infotainment system.
Dual-screen setup for infotainment and climate controls.
Audi Virtual Cockpit with customizable displays.
Available luxury features like heated/ventilated seats, massage functions, and advanced driver assistance.
Mercedes-Benz S-Class:
Flagship-level interior with MBUX infotainment system featuring a large OLED touchscreen.
3D instrument cluster and augmented reality head-up display.
Extensive options for personalization with luxurious materials.
Advanced features like rear-wheel steering, executive rear seating, and Level 3 autonomous driving tech.
6. Maintenance & Costs
Audi A8:
Audi’s scheduled maintenance is generally less expensive than Mercedes-Benz.
Audi hybrid components like the battery are typically covered under a limited warranty for up to 8 years/100,000 miles.
Slightly less complex technology compared to the S-Class, which may result in lower overall maintenance costs.
Mercedes-Benz S-Class:
S-Class maintenance is generally more expensive, especially when it comes to hybrid system components.
Mercedes-Benz offers similar warranty coverage for hybrid components (8 years/100,000 miles), but repairs outside of warranty can be costly due to the sophisticated systems.
7. Fuel Efficiency & Driving Experience
Audi A8:
Combined efficiency: ~49 MPGe (electric + gasoline).
Smooth and refined driving experience, but slightly less dynamic than the S-Class.
Mercedes-Benz S-Class:
Combined efficiency: ~60 MPGe (electric + gasoline).
Exceptionally smooth ride with cutting-edge suspension systems and rear-wheel steering for improved agility.
Summary:
Mercedes-Benz S-Class offers more power, a longer electric range, and additional advanced tech features, but at a higher price.
Audi A8 is a bit more affordable, with solid performance and luxury but a shorter electric range.
Both models are luxury vehicles with advanced hybrid systems, and your choice might depend on whether you prioritize electric range and advanced features (S-Class) or are looking for a lower price with decent performance (A8).
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1. Performance & Engine
Audi A8 60 TFSI e:
Engine: 3.0-liter V6 engine paired with an electric motor.
Total Power Output: 443 hp (combined).
Torque: 516 lb-ft.
Transmission: 8-speed automatic.
0-60 mph: Around 4.9 seconds.
Mercedes-Benz S580e:
Engine: 3.0-liter inline-6 engine combined with an electric motor.
Total Power Output: 510 hp (combined).
Torque: ~553 lb-ft.
Transmission: 9-speed automatic.
0-60 mph: Around 4.7 seconds.

2. Electric Range & Battery
Audi A8:
Battery Capacity: 17.9 kWh.
Electric Range: Around 18-22 miles (depending on conditions).
Charging: AC charging only; no DC fast-charging option.
Mercedes-Benz S-Class:
Battery Capacity: 21.5 kWh.
Electric Range: Around 60-62 miles (WLTP standard, real-world 40+ miles).
Charging: AC charging and optional DC fast charging, allowing faster recharging times.
3. Size & Dimensions
Audi A8:
Length: 209.0 inches.
Width: 76.6 inches.
Height: 58.6 inches.
Wheelbase: 123.1 inches.
Trunk Space: Around 10-12 cu ft (less due to the battery).
Mercedes-Benz S-Class:
Length: 208.2 inches.
Width: 76.9 inches.
Height: 59.2 inches.
Wheelbase: 126.6 inches.
Trunk Space: Around 12.9 cu ft (also reduced by battery placement).
4. Price
Audi A8 60 TFSI e:
Starting Price: Around $96,000 (depending on trim and features).
Mercedes-Benz S580e:
Starting Price: Around $122,000 (with options and configurations pushing the price higher).
5. Interior & Features
Audi A8:
High-tech interior with Audi’s MMI infotainment system.
Dual-screen setup for infotainment and climate controls.
Audi Virtual Cockpit with customizable displays.
Available luxury features like heated/ventilated seats, massage functions, and advanced driver assistance.
Mercedes-Benz S-Class:
Flagship-level interior with MBUX infotainment system featuring a large OLED touchscreen.
3D instrument cluster and augmented reality head-up display.
Extensive options for personalization with luxurious materials.
Advanced features like rear-wheel steering, executive rear seating, and Level 3 autonomous driving tech.
6. Maintenance & Costs
Audi A8:
Audi’s scheduled maintenance is generally less expensive than Mercedes-Benz.
Audi hybrid components like the battery are typically covered under a limited warranty for up to 8 years/100,000 miles.
Slightly less complex technology compared to the S-Class, which may result in lower overall maintenance costs.
Mercedes-Benz S-Class:
S-Class maintenance is generally more expensive, especially when it comes to hybrid system components.
Mercedes-Benz offers similar warranty coverage for hybrid components (8 years/100,000 miles), but repairs outside of warranty can be costly due to the sophisticated systems.
7. Fuel Efficiency & Driving Experience
Audi A8:
Combined efficiency: ~49 MPGe (electric + gasoline).
Smooth and refined driving experience, but slightly less dynamic than the S-Class.
Mercedes-Benz S-Class:
Combined efficiency: ~60 MPGe (electric + gasoline).
Exceptionally smooth ride with cutting-edge suspension systems and rear-wheel steering for improved agility.
Summary:
Mercedes-Benz S-Class offers more power, a longer electric range, and additional advanced tech features, but at a higher price.
Audi A8 is a bit more affordable, with solid performance and luxury but a shorter electric range.
Both models are luxury vehicles with advanced hybrid systems, and your choice might depend on whether you prioritize electric range and advanced features (S-Class) or are looking for a lower price with decent performance (A8).
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What do you think?