Audi A6 e-tron S6 e-tron vs Mercedes-Benz EQS 450+

2026 Mercedes-Benz EQS 450+ studio car image
Mercedes-Benz

EQS 450+

2026 · Electric Sedan

Comparison winners

5 metrics
0-100 winner Audi A6 e-tron S6 e-tron 3.9 s Runner-up: 5.6 s
Range winner Mercedes-Benz EQS 450+ 806 km Runner-up: 635 km
Power winner Audi A6 e-tron S6 e-tron 551 hp Runner-up: 360 hp
Cargo winner Mercedes-Benz EQS 450+ 610 L Runner-up: 502 L
Price winner Audi A6 e-tron S6 e-tron $89,900 Runner-up: $106,400

How the specs compare

This comparison sets the 2026 Audi A6 e-tron S6 e-tron against the 2026 Mercedes-Benz EQS 450+. Both belong to the sedan class, so their dimensions, performance and utility figures address a broadly similar type of car. Both use battery-electric powertrains, allowing a relatively direct comparison of the recorded energy figures.

Performance, power and 0-100 km/h

2026 Audi A6 e-tron S6 e-tron has the quicker recorded 0-100 km/h time at 3.9 seconds, compared with 5.6 seconds for 2026 Mercedes-Benz EQS 450+. 2026 Audi A6 e-tron S6 e-tron has the higher listed output at 551 hp; 2026 Mercedes-Benz EQS 450+ is rated at 360 hp, a difference of 191 hp. The torque figures follow 2026 Audi A6 e-tron S6 e-tron at 855 Nm and 2026 Mercedes-Benz EQS 450+ at 568 Nm. These figures describe straight-line potential only; they do not establish braking performance, ride quality, steering response or durability under repeated hard use.

Range, battery, charging and efficiency

2026 Mercedes-Benz EQS 450+ carries the longer listed range at 806 km, against 635 km for 2026 Audi A6 e-tron S6 e-tron. 2026 Mercedes-Benz EQS 450+ has the lower recorded consumption at 15.5 kWh/100km; 2026 Audi A6 e-tron S6 e-tron is listed at 15.8 kWh/100km. 2026 Audi A6 e-tron S6 e-tron has the higher listed DC charging ceiling at 270 kW, compared with 200 kW. Test cycle, temperature, wheel size and charging conditions can materially affect these results, so only figures measured on the same basis should be treated as directly comparable.

Dimensions, cargo space and towing

2026 Mercedes-Benz EQS 450+ provides the larger quoted cargo volume: 610 litres versus 502 litres, a difference of 108 litres. 2026 Audi A6 e-tron S6 e-tron carries the higher towing rating at 2,100 kg, while 2026 Mercedes-Benz EQS 450+ is listed at 750 kg. 2026 Mercedes-Benz EQS 450+ is 295 mm longer overall. Exterior size is not a benefit by itself: a longer body may create useful room, but cargo shape, rear-seat space and ease of parking still require a physical inspection.

Price and overall assessment

2026 Audi A6 e-tron S6 e-tron has the lower listed starting price at $89,900, compared with $106,400 for 2026 Mercedes-Benz EQS 450+. 2026 Audi A6 e-tron S6 e-tron leads in more of the shared headline fields, but that is not a universal verdict: a buyer should weight price, performance, range and utility rather than simply count category wins. The assessment is based on the specifications shown here; it is not presented as a two-car road test.

Prepared by CarsbySpec from the structured specifications displayed on this page. Missing values are not estimated, and component figures are not treated as directly comparable system figures. Read the methodology.

Specification Audi A6 e-tron S6 e-tron2026 Mercedes-Benz EQS 450+2026
Performance
0-100 km/h3.9 s5.6 s
Top Speed240 km/h210 km/h
Power551 hp360 hp
Torque855 Nm568 Nm
Range & Efficiency
Range635 km806 km
Battery100 kWh118 kWh
Efficiency15.8 kWh/100km15.5 kWh/100km
CO2 Emissions0 g/km0 g/km
DC Charging270 kW200 kW
Size & Capacity
Length4,928 mm5,223 mm
Ground Clearance148 mm116 mm
Cargo502 L610 L
Curb Weight2,340 kg2,520 kg
Towing2,100 kg750 kg
Seats55
Turning Circle11.8 m12.9 m
Starting MSRP$89,900$106,400

Audi A6 e-tron S6 e-tron vs Mercedes-Benz EQS 450+ questions answered

Which is faster, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Audi A6 e-tron S6 e-tron is quicker from 0-100 km/h at 3.9 seconds, versus 5.6 seconds for 2026 Mercedes-Benz EQS 450+.

Which has the higher top speed, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Audi A6 e-tron S6 e-tron has the higher listed top speed at 240 km/h (149 mph), compared with 210 km/h (130 mph).

Which has more horsepower, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Audi A6 e-tron S6 e-tron has more power at 551 hp, a 191 hp advantage over 2026 Mercedes-Benz EQS 450+.

Which has more range, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Mercedes-Benz EQS 450+ has the longer listed range at 806 km (501 miles), versus 635 km (395 miles).

Which has the larger battery, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Mercedes-Benz EQS 450+ has the larger listed battery at 118.0 kWh, compared with 100.0 kWh.

Which has more cargo or boot space, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Mercedes-Benz EQS 450+ has more listed cargo space at 610 litres (21.5 cu ft), versus 502 litres (17.7 cu ft).

Which can tow more, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Audi A6 e-tron S6 e-tron has the higher listed towing capacity at 2,100 kg (4,630 lb), compared with 750 kg (1,653 lb).

Which is heavier, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Mercedes-Benz EQS 450+ is heavier at 2,520 kg (5,556 lb), while 2026 Audi A6 e-tron S6 e-tron is listed at 2,340 kg (5,159 lb).

Which is cheaper, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Audi A6 e-tron S6 e-tron has the lower recorded starting MSRP at $89,900 USD, compared with $106,400 USD for 2026 Mercedes-Benz EQS 450+. Regional pricing and equipment can differ.

Which is better, the 2026 Audi A6 e-tron S6 e-tron or the 2026 Mercedes-Benz EQS 450+?

2026 Audi A6 e-tron S6 e-tron leads in more of the shared headline fields, but that is not a universal verdict: a buyer should weight price, performance, range and utility rather than simply count category wins. This comparison is based on recorded specifications rather than a road test, so the right choice depends on the buyer's priorities.