Car comparison

AUDI A6 (4F/C6) · Facelift 2008 4.2 FSI V8vsAUDI A6 (4B/C5) · Facelift 2001 2.7 V6

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

AUDI A6 (4F/C6) · Facelift 2008

4.2 FSI V8

350 hp4163 ccGasolineAWDAutomaticNaturally aspiratedSedan2008-2011
VS

AUDI A6 (4B/C5) · Facelift 2001

2.7 V6

250 hp2671 ccGasolineAWDManualTwin-turboSedan2001-2004

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

AUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8

  • Quickest 0-100 km/h
    6.1 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    350 hp
    261 kW
  • Highest torque
    440 Nm
    325 lb-ft
  • Best power-to-weight
    198 hp/t
    147 kW/t
    5.1 kg/hp
  • Lowest combined fuel consumption
    10.2 L/100 km
    23.1 mpg US
    27.7 mpg UK
  • Lowest city consumption
    14.8 L/100 km
    15.9 mpg US
    19.1 mpg UK
  • Lowest highway consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Lowest CO2 emissions
    244 g/km
  • Best estimated range
    784 km
    487 mi
  • Largest trunk
    546 L
  • Best overall score
    71/100
  • Best performance score
    67/100
  • Best economy score
    79/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelAUDIA6 (4F/C6)Facelift 20084.2 FSI V8AUDIA6 (4B/C5)Facelift 20012.7 V6
Power
350hp261kW
250hp186kW
Torque
440Nm325lb-ft
350Nm258lb-ft
Curb weight
1,770kg3,902lb
1,660kg3,660lb
Gross weight
2,350kg5,181lb
2,210kg4,872lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
248 km/h
154 mph
To 99% top speed
61.7s99% target: 262 km/h / 163 mph
Calculated
68.7s99% target: 246 km/h / 153 mph
Calculated
0-100 km/h
6.1s
6.8s
0-200 km/h
18.4s
Calculated
23.1s
Calculated
0-60 mph
5.8s
Calculated
6.5s
Calculated
Fuel consumption
10.2L/100 km23.1mpg US27.7mpg UK
11.6L/100 km20.3mpg US24.4mpg UK
Fuel consumption city
14.8L/100 km15.9mpg US19.1mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway
7.5L/100 km31.4mpg US37.7mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Quarter mile
14.0s
Calculated
14.7s
Calculated
Power-to-weight
198hp/t147kW/t90hp/1000 lb
Calculated
151hp/t112kW/t68hp/1000 lb
Calculated
Torque-to-weight
249Nm/t166lb-ft/ton
Calculated
211Nm/t141lb-ft/ton
Calculated
Estimated range
784km487mi
Calculated
603km375mi
Calculated
Displacement
4,163cc254cu in
2,671cc163cu in
Length
4,927mm194in
4,796mm189in
Width
1,855mm73in
1,810mm71in
Height
1,459mm57in
1,453mm57in
Wheelbase
2,843mm112in
2,759mm109in
Front track
1,612mm63in
1,540mm61in
Rear track
1,618mm64in
1,569mm62in
Max trunk volume
546L
434L
Doors
4
4
Seats
5
5
Fuel tank
80L
70L
CO2 emissions
244g/km
278g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

AUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8AUDI A6 (4B/C5) Facelift 2001 2.7 V6PowerTorque
  • AUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8: Power / Torque
  • AUDI A6 (4B/C5) Facelift 2001 2.7 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 (4F/C6)Facelift 20084.2 FSI V86,800 rpm3,500 rpm7,050 rpm
AUDIA6 (4B/C5)Facelift 20012.7 V65,800 rpm1,800-4,500 rpm6,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 (4F/C6)Facelift 20084.2 FSI V8AUDIA6 (4B/C5)Facelift 20012.7 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.8 s
6.5 s
0-100 km/h
0-62 mph
6.1 s
6.8 s
0-200 km/h
0-124 mph
18.4 s
23.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
248 km/h
154 mph
Drag race simulation
60 ft
18 m
2.6 s
2.6 s
330 ft
101 m
6.4 s
6.6 s
1/8 mile
201 m
9.4 s
9.8 s
1000 ft
305 m
11.9 s
12.5 s
1/4 mile
402 m
14.0 s
14.7 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
163 km/h
101 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
350 hp
261 kW
AUDIA6 (4B/C5)Facelift 20012.7 V6
250 hp
186 kW

AUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8 has 100 hp more than AUDI A6 (4B/C5) Facelift 2001 2.7 V6.

The biggest power difference is between AUDI A6 (4B/C5) Facelift 2001 2.7 V6 and AUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8: 100 hp (75 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
440 Nm
325 lb-ft
AUDIA6 (4B/C5)Facelift 20012.7 V6
350 Nm
258 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
1,770 kg
3,902 lb
AUDIA6 (4B/C5)Facelift 20012.7 V6
1,660 kg
3,660 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA6 (4B/C5)Facelift 20012.7 V6
248 km/h
154 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20084.2 FSI V86.1 s
AUDIA6 (4B/C5)Facelift 20012.7 V66.8 s

The biggest 0-100 km/h difference is between AUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8 and AUDI A6 (4B/C5) Facelift 2001 2.7 V6: 0.7 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
AUDIA6 (4B/C5)Facelift 20012.7 V6
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

The biggest fuel consumption difference is between AUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8 and AUDI A6 (4B/C5) Facelift 2001 2.7 V6: 1.4 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
198 hp/t
147 kW/t
5.1 kg/hp
AUDIA6 (4B/C5)Facelift 20012.7 V6
151 hp/t
112 kW/t
6.6 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
784 km
487 mi
AUDIA6 (4B/C5)Facelift 20012.7 V6
603 km
375 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
350 hp
261 kW
6.1 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA6 (4B/C5)Facelift 20012.7 V6
250 hp
186 kW
6.8 s
248 km/h
154 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
Power
350 hp
261 kW
0-100 km/h6.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
546 L
19.3 cu ft
Length
4,927 mm
194.0 in
Height
1,459 mm
57.4 in
AUDIA6 (4B/C5)Facelift 20012.7 V6
Power
250 hp
186 kW
0-100 km/h6.8 s
Top speed
248 km/h
154 mph
Doors/seats
4 doors
5 seats
Trunk
434 L
15.3 cu ft
Length
4,796 mm
188.8 in
Height
1,453 mm
57.2 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
Power
350 hp
261 kW
0-100 km/h6.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
AUDIA6 (4B/C5)Facelift 20012.7 V6
Power
250 hp
186 kW
0-100 km/h6.8 s
Top speed
248 km/h
154 mph
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

AUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
6.1 s
AUDIA6 (4B/C5)Facelift 20012.7 V6
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
6.8 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
AUDIA6 (4F/C6)Facelift 20084.2 FSI V8
198 hp/t
147 kW/t
5.1 kg/hp
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
AUDIA6 (4B/C5)Facelift 20012.7 V6
151 hp/t
112 kW/t
6.6 kg/hp
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 (4F/C6)Facelift 20084.2 FSI V8AUDIA6 (4B/C5)Facelift 20012.7 V6
Power
350 hp
261 kW
250 hp
186 kW
Torque
440 Nm
325 lb-ft
350 Nm
258 lb-ft
Acceleration
6.1 s
6.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
248 km/h
154 mph
Lightness
1,770 kg
3,902 lb
1,660 kg
3,660 lb
Fuel consumption
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
546 L
19.3 cu ft
Length
4,927 mm
194.0 in
Height
1,459 mm
57.4 in
Doors/seats
4 doors
5 seats
Trunk
434 L
15.3 cu ft
Length
4,796 mm
188.8 in
Height
1,453 mm
57.2 in
Range score
784 km
487 mi
603 km
375 mi
CO2 score
244 g/km
278 g/km
Trunk score
546 L
19.3 cu ft
434 L
15.3 cu ft
Power-to-weight score
198 hp/t
147 kW/t
5.1 kg/hp
151 hp/t
112 kW/t
6.6 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleAUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8AUDI A6 (4B/C5) Facelift 2001 2.7 V6
Consumption10.2 L/100 km23.1 mpg US27.7 mpg UK11.6 L/100 km20.3 mpg US24.4 mpg UK
Cost / 100 km17.85 LC100 km20.30 LC100 km
Cost / 100 mi28.73 LC100 mi32.67 LC100 mi
Annual fuel used1,530 L404 US gal337 UK gal1,740 L460 US gal383 UK gal
Annual fuel cost2,678 LC/year3,045 LC/year

Head-to-head comparisons

AUDI A6 (4F/C6) Facelift 2008 4.2 FSI V8

  • Has 100 hp more
  • Has 90 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Has 17 km/h (11 mph) higher top speed
  • Uses 1.4 L/100 km less fuel
  • Has 47 hp/t better power-to-weight
  • Has 181 km (112 mi) more estimated range
  • Has 112 L more trunk volume
  • Emits 34 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest

AUDI A6 (4B/C5) Facelift 2001 2.7 V6

  • Is 110 kg lighter

Pros

  • Lightest

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 (4F/C6) 4.2 FSI V8
AUDI A6 (4B/C5) 2.7 V6
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