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Compare
Compare 2–4 cars side by side. Every figure is sourced; the best value in each comparable row is marked.
| Specification | Audi2026 Audi A6 Sedan | Mercedes-Benz2026 Mercedes-Benz E 450 4MATIC Sedan |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 130 mphTieManufacturer claim · Audi of America | 130 mphTieManufacturer claim · Mercedes-Benz USA |
| Power-to-weight ratioHigher is betterCalculated from peak power and curb weight — figures quoted against a different weight basis (e.g. dry or DIN) will differ. | 185.2 hp/tCalculated | 188.9 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 0.93 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.50 sTieManufacturer claim · Audi of America | 4.40 sTieManufacturer claim · Mercedes-Benz USA |
| 0–100 km/hLower is better | 4.80 sManufacturer claim · Audi of America | 4.50 sBestManufacturer claim · Mercedes-Benz USA |
| 0–100 mph | — | 10.90 sIndependent test · Car and Driver |
| Braking | ||
| 70–0 mph braking distance | — | 159.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 327.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 362 hpManufacturer claim · Audi of America | 375 hpBestManufacturer claim · Mercedes-Benz USA |
| Peak torqueHigher is better | 406 lb-ftBestManufacturer claim · Audi of America | 369 lb-ftManufacturer claim · Mercedes-Benz USA |
| Engine displacement | 3000.0 ccManufacturer claim · Audi of America | 3000.0 ccManufacturer claim · Mercedes-Benz USA |
| Cylinder count | 6Manufacturer claim · Audi of America | 6Manufacturer claim · Mercedes-Benz USA |
| Engine layout | V6Manufacturer claim · Audi of America | Inline-6Manufacturer claim · Mercedes-Benz USA |
| Induction type | Turbocharged | |
| Dimensions | ||
| Length | — | 195 inManufacturer claim · Mercedes-Benz USA |
| Width | — | 74 inManufacturer claim · Mercedes-Benz USA |
| Height | — | 58 inManufacturer claim · Mercedes-Benz USA |
| Wheelbase | — | 117 inManufacturer claim · Mercedes-Benz USA |
| Weight | ||
| Curb weightLower is better | 4310 lbBestManufacturer claim · Audi of America | 4376 lbManufacturer claim · Mercedes-Benz USA |
| Fuel Economy | ||
| Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 23.0 mpgHomologation · US EPA | — |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 20.0 mpgHomologation · US EPA | 23.0 mpgBestManufacturer claim · Mercedes-Benz USA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 29.0 mpgHomologation · US EPA | 33.0 mpgBestManufacturer claim · Mercedes-Benz USA |
| Fuel tank capacity | — | 17.4 galManufacturer claim · Mercedes-Benz USA |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | — | 574 mi |
| Practicality | ||
| Cargo volume | — | 13 ft³Manufacturer claim · Mercedes-Benz USA |
| Seats | — | 5Manufacturer claim · Mercedes-Benz USA |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $64,100Manufacturer claim · Audi of America | $72,300Manufacturer claim · Mercedes-Benz USA |
| Tires & Wheels | ||
| Front tire size | — | 225/55R18Manufacturer claim · Mercedes-Benz USA |
| Rear tire size | — | 225/55R18Manufacturer claim · Mercedes-Benz USA |
Every figure is the car’s preferred, sourced value. “Best” marks the strongest value in a row, judged on the canonical measurement (so a winner is correct whichever unit system you view). Open a car to see each value’s source, original units, and alternates.
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| TurbochargedManufacturer claim · Mercedes-Benz USA |
| Transmission type | Dual-clutch (PDK)Manufacturer claim · Audi of America | Torque-converter automaticManufacturer claim · Mercedes-Benz USA |
|---|
| Number of gears | 7Manufacturer claim · Audi of America | 9Manufacturer claim · Mercedes-Benz USA |
|---|
| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | — | 400 miCalculated |
|---|