Audi S6 vs Mercedes-Benz CLS (2023)
Price gap, MSRP + destination
$2,880
- S6: $2,880 cheaper, 82 hp more.
- CLS: 3 mpg better, 0.6 in more front legroom.
- S6 wins 6 of 10 measures.
| Measure | S6 | CLS | Winner |
|---|---|---|---|
| MSRP + destination | $74,670 | $77,550 | S6 |
| Horsepower | 444 hp | 362 hp | S6 |
| Torque | 442 lb-ft | 369 lb-ft | S6 |
| MPG combined | 22 mpg | 25 mpg | CLS |
| Cargo, max | 13.7 cu ft | 11.9 cu ft | S6 |
| Cargo, seats up | 13.7 cu ft | N/A | N/A |
| Rear legroom | 37.4 in | 35.0 in | S6 |
| Front legroom | 41.3 in | 41.9 in | CLS |
| Length | 195.0 in | 196.4 in | Not scored |
| Width | 74.3 in | 73.2 in | Not scored |
| Curb weight | 4,486 lb | N/A | N/A |
| Seats | 5 | 5 | About the same |
| Ground clearance | N/A | 3.7 in | N/A |
| 0-60 mph | 4.4 s tested | 4.5 s tested | S6 |
| Basic warranty | 4 yr / 50,000 mi | 4 yr / 50,000 mi | About the same |
Not scored: length, width, curb weight. N/A rows are not counted.
Nearest trims by price
| Trim | Nearest in price | Gap |
|---|---|---|
| S6 Premium AWD $73,700 | CLS CLS 450 4MATIC AWD $76,500 | $2,800 |
| CLS CLS 450 4MATIC AWD $76,500 | S6 Premium Plus AWD $73,700 | $2,800 |
Cost to run
About the same over 6 years.
12,000 miles a year. Gas $3.20. Electricity 17 cents per kWh.
| Cost | S6 | CLS |
|---|---|---|
| MSRP + destination | $74,670 | $77,550 |
| Fuel or charging, 1 year | $1,745 | $1,536 |
| Fuel or charging, 6 years | $10,473 | $9,216 |
| Total, 6 years | $85,143 | $86,766 |
Which is better for me?
Weight each group from 0 to 10. MPG uses fuel or charging cost.
Equal weights: S6 wins.
No single weight change flips the winner.
| Group | Ahead | By |
|---|---|---|
| Price | S6 | 4% |
| MPG | CLS | 12% |
| Power | S6 | 18% |
| Space | S6 | 13% |
| Towing | N/A |
Other years
What this cannot tell you
Your price and mpg will differ.
Reliability and safety are not included.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree