Audi S7 vs Mercedes CLS 500
Facts and figures
| Audi S7 4.0 TFSI S tronic | Mercedes CLS 500 Sport | |
| On the road price/total as tested | £61,995/£88,795 | £63,050/£73,245 |
| Residual value (after 3yrs/36,000) | £27,278/44.0% | £25,094/39.8% |
| Depreciation | £34,717 | £37,956 |
| Annual tax liability std/higher rate | £4,294/£8,588 | £3,993/£7,987 |
| Annual fuel cost (12k/20k miles) | £3,628/£6,046 | £3,471/£5,786 |
| Ins. group/quote/road tax band/cost | 44/£894/K/£270 | 47/£1,215/K/£270 |
| Cost of 1st/2nd/3rd service | TBC | £270/£446/£270 |
| Length/wheelbase | 4,980/2,916mm | 4,940/2,874mm |
| Height/width | 1,408/1,911mm | 1,416/1,881mm |
| Engine | V8/3,993cc | V8/4,663cc |
| Peak power/revs | 414/5,500 bhp/rpm | 402/5,000 bhp/rpm |
| Peak torque/revs | 550/1,400 Nm/rpm | 600/1,600 Nm/rpm |
| Transmission | 7-spd auto/4wd | 7-spd auto/rwd |
| Fuel tank capacity/spare wheel | 75 litres/sp. saver | 80 litres/sp. saver |
| Boot capacity (seats up/down) | 535/1,390 litres | 520 litres/N/A |
| Kerbweight/payload/towing weight | 1,945/610/2,100kg | 1,890/485kg/N/A |
| Turning circle/drag coefficient | 11.9 metres/0.26Cd | 11.3 metres/0.30Cd |
| Basic warranty (miles)/recovery | 3yrs (60,000)/3yrs | 3yrs (unltd)/4yrs |
| Service intervals/UK dealers | Variable/135 | Variable/136 |
| Driver Power manufacturer/dealer pos. | 15th/26th* | 8th/10th* |
| Euro NCAP: Adult/child/ped./stars | N/A | N/A |
| 0-60/30-70mph | 4.3/3.9 secs | 5.0/4.3 secs |
| 30-50mph in 3rd/4th | 2.5/3.6 secs | 2.5/3.6 secs |
| 50-70mph in 5th/6th/7th | 4.7/6.4/9.0 secs | 5.0/6.6/8.5 secs |
| Top speed/rpm at 70mph | 155mph/2,000rpm | 155mph/2,000rpm |
| Braking 70-0/60-0/30-0mph | 46.0/34.0/9.1m | 46.3/33.7/9.3m |
| Noise outside/idle/30/70mph | 64/41/59/65dB | 64/41/59/65dB |
| Auto Express economy/range | 20.0mpg/330 miles | 20.9mpg/368 miles |
| Govt urban/extra-urban/combined | 21.1/37.7/29.4mpg | 22.6/40.9/31.4mpg |
| Govt urban/extra-urban/combined | 4.6/8.3/6.5mpl | 5.0/9.0/6.9mpl |
| Actual/claimed CO2/tax bracket | 326/225g/km/35% | 312/209g/km/32% |
| Airbags/Isofix/xenon lights | Six/yes/yes | Seven/yes/yes |
| Climate ctrl/leather/heated seats | Yes/yes/yes | Yes/yes/yes |
| Met paint/cruise/adaptive cruise ctrl | £750/yes/£1,250^ | Yes/yes/£2,295** |
| Lane assist/blind spot/adapt susp | £575^/£525^/y | £2,295**/£2,295**/y |
| Sat-nav/Bluetooth/rear camera | Yes/yes/£820 | Yes/yes/£390 |
