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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 | BMW2025 BMW X6 xDrive40i | Audi2027 Audi Q8 55 TFSI quattro |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 155 mphBestManufacturer claim · BMW | 130 mphManufacturer claim · Audi of America |
| 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. | 165.3 hp/tBestCalculated | 149.2 hp/tCalculated |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 5.20 sBestManufacturer claim · BMW | 5.50 sManufacturer claim · Audi of America |
| 0–100 km/hLower is better | 5.40 sBestManufacturer claim · BMW | 5.60 sManufacturer claim · Audi of America |
| Engine & Powertrain | ||
| Peak powerHigher is better | 375 hpBestManufacturer claim · BMW | 335 hpManufacturer claim · Audi of America |
| Peak torqueHigher is better | 398 lb-ftBestManufacturer claim · BMW | 369 lb-ftManufacturer claim · Audi of America |
| Engine displacement | 2998.0 ccManufacturer claim · BMW | 3000.0 ccManufacturer claim · Audi of America |
| Cylinder count | 6Manufacturer claim · BMW | 6Manufacturer claim · Audi of America |
| Engine layout | Inline-6Manufacturer claim · BMW | V6Manufacturer claim · Audi of America |
| Engine placement | FrontManufacturer claim · BMW | |
| Dimensions | ||
| Length | 195 inManufacturer claim · BMW | — |
| Width | 79 inManufacturer claim · BMW | — |
| Height | 67 inManufacturer claim · BMW | — |
| Wheelbase | 117 inManufacturer claim · BMW | — |
| Ground clearance | 9 inManufacturer claim · BMW | — |
| Weight | ||
| Curb weightLower is better | 5002 lbManufacturer claim · BMW | 4949 lbBestManufacturer claim · Audi of America |
| Fuel Economy | ||
| Fuel economy (combined)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 24.0 mpgBestHomologation · US EPA | 19.0 mpgManufacturer claim · Audi of America |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 23.0 mpgBestHomologation · US EPA | 17.0 mpgManufacturer claim · Audi of America |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 26.0 mpgBestHomologation · US EPA | 23.0 mpgManufacturer claim · Audi of America |
| Fuel tank capacity | 21.9 galManufacturer claim · BMW | — |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | 526 mi | |
| Practicality | ||
| Cargo volume | 27 ft³Manufacturer claim · BMW | — |
| Seats | 5Manufacturer claim · BMW | — |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $75,100Homologation · US EPA | $76,900Manufacturer claim · Audi of America |
| Tires & Wheels | ||
| Front tire size | 275/45R20 all-season runflatManufacturer claim · BMW | — |
| Rear tire size | 275/45R20 all-season runflatManufacturer claim · BMW | — |
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.
Community index
Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| Induction type | TurbochargedManufacturer claim · BMW | TurbochargedManufacturer claim · Audi of America |
|---|
| Transmission type | Torque-converter automaticManufacturer claim · BMW | Torque-converter automaticManufacturer claim · Audi of America |
|---|
| Number of gears | 8Manufacturer claim · BMW | 8Manufacturer claim · Audi of America |
|---|
| — |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | 569 miCalculated | — |
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| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | 504 miCalculated | — |
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